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Details

    • Sub-task
    • Status: In Progress
    • Major
    • Resolution: Unresolved
    • None
    • None
    • None
    • None

    Description

      By far, one of the most painful replacement in hadoop. There are two options:

      1. Using Apache commons
      2. Using Java wrapper without dependency on third party.
      Targets
          Occurrences of 'com.google.common.base.Preconditions' in project with mask '*.java'
      Found Occurrences  (577 usages found)
          org.apache.hadoop.conf  (2 usages found)
              Configuration.java  (1 usage found)
                  108 import com.google.common.base.Preconditions;
              ReconfigurableBase.java  (1 usage found)
                  22 import com.google.common.base.Preconditions;
          org.apache.hadoop.crypto  (7 usages found)
              AesCtrCryptoCodec.java  (1 usage found)
                  23 import com.google.common.base.Preconditions;
              CryptoInputStream.java  (1 usage found)
                  33 import com.google.common.base.Preconditions;
              CryptoOutputStream.java  (1 usage found)
                  32 import com.google.common.base.Preconditions;
              CryptoStreamUtils.java  (1 usage found)
                  32 import com.google.common.base.Preconditions;
              JceAesCtrCryptoCodec.java  (1 usage found)
                  32 import com.google.common.base.Preconditions;
              OpensslAesCtrCryptoCodec.java  (1 usage found)
                  32 import com.google.common.base.Preconditions;
              OpensslCipher.java  (1 usage found)
                  32 import com.google.common.base.Preconditions;
          org.apache.hadoop.crypto.key  (2 usages found)
              JavaKeyStoreProvider.java  (1 usage found)
                  21 import com.google.common.base.Preconditions;
              KeyProviderCryptoExtension.java  (1 usage found)
                  32 import com.google.common.base.Preconditions;
          org.apache.hadoop.crypto.key.kms  (3 usages found)
              KMSClientProvider.java  (1 usage found)
                  83 import com.google.common.base.Preconditions;
              LoadBalancingKMSClientProvider.java  (1 usage found)
                  54 import com.google.common.base.Preconditions;
              ValueQueue.java  (1 usage found)
                  36 import com.google.common.base.Preconditions;
          org.apache.hadoop.crypto.key.kms.server  (5 usages found)
              KeyAuthorizationKeyProvider.java  (1 usage found)
                  35 import com.google.common.base.Preconditions;
              KMS.java  (1 usage found)
                  20 import com.google.common.base.Preconditions;
              KMSAudit.java  (1 usage found)
                  24 import com.google.common.base.Preconditions;
              KMSWebApp.java  (1 usage found)
                  29 import com.google.common.base.Preconditions;
              MiniKMS.java  (1 usage found)
                  29 import com.google.common.base.Preconditions;
          org.apache.hadoop.crypto.random  (1 usage found)
              OpensslSecureRandom.java  (1 usage found)
                  25 import com.google.common.base.Preconditions;
          org.apache.hadoop.fs  (19 usages found)
              ByteBufferUtil.java  (1 usage found)
                  29 import com.google.common.base.Preconditions;
              ChecksumFileSystem.java  (1 usage found)
                  32 import com.google.common.base.Preconditions;
              FileContext.java  (1 usage found)
                  68 import com.google.common.base.Preconditions;
              FileEncryptionInfo.java  (2 usages found)
                  27 import static com.google.common.base.Preconditions.checkArgument;
                  28 import static com.google.common.base.Preconditions.checkNotNull;
              FileSystem.java  (2 usages found)
                  86 import com.google.common.base.Preconditions;
                  91 import static com.google.common.base.Preconditions.checkArgument;
              FileSystemStorageStatistics.java  (1 usage found)
                  23 import com.google.common.base.Preconditions;
              FSDataOutputStreamBuilder.java  (1 usage found)
                  31 import static com.google.common.base.Preconditions.checkNotNull;
              FSInputStream.java  (1 usage found)
                  24 import com.google.common.base.Preconditions;
              FsUrlConnection.java  (1 usage found)
                  27 import com.google.common.base.Preconditions;
              GlobalStorageStatistics.java  (1 usage found)
                  26 import com.google.common.base.Preconditions;
              Globber.java  (1 usage found)
                  35 import static com.google.common.base.Preconditions.checkNotNull;
              MultipartUploader.java  (1 usage found)
                  31 import static com.google.common.base.Preconditions.checkArgument;
              PartialListing.java  (1 usage found)
                  20 import com.google.common.base.Preconditions;
              TestEnhancedByteBufferAccess.java  (1 usage found)
                  74 import com.google.common.base.Preconditions;
              TestLocalFileSystem.java  (1 usage found)
                  20 import com.google.common.base.Preconditions;
              UnionStorageStatistics.java  (1 usage found)
                  23 import com.google.common.base.Preconditions;
              XAttrCodec.java  (1 usage found)
                  28 import com.google.common.base.Preconditions;
          org.apache.hadoop.fs.adl  (1 usage found)
              AdlFileSystem.java  (1 usage found)
                  30 import com.google.common.base.Preconditions;
          org.apache.hadoop.fs.aliyun.oss  (1 usage found)
              AliyunOSSUtils.java  (1 usage found)
                  26 import com.google.common.base.Preconditions;
          org.apache.hadoop.fs.azure  (4 usages found)
              BlockBlobAppendStream.java  (1 usage found)
                  46 import com.google.common.base.Preconditions;
              ClientThrottlingAnalyzer.java  (1 usage found)
                  22 import com.google.common.base.Preconditions;
              NativeAzureFileSystem.java  (1 usage found)
                  84 import com.google.common.base.Preconditions;
              NativeAzureFileSystemHelper.java  (1 usage found)
                  26 import com.google.common.base.Preconditions;
          org.apache.hadoop.fs.azurebfs  (3 usages found)
              AbfsConfiguration.java  (1 usage found)
                  26 import com.google.common.base.Preconditions;
              AzureBlobFileSystem.java  (1 usage found)
                  41 import com.google.common.base.Preconditions;
              AzureBlobFileSystemStore.java  (1 usage found)
                  52 import com.google.common.base.Preconditions;
          org.apache.hadoop.fs.azurebfs.extensions  (2 usages found)
              ClassicDelegationTokenManager.java  (1 usage found)
                  25 import com.google.common.base.Preconditions;
              StubAbfsTokenIdentifier.java  (1 usage found)
                  32 import com.google.common.base.Preconditions;
          org.apache.hadoop.fs.azurebfs.oauth2  (6 usages found)
              AzureADAuthenticator.java  (1 usage found)
                  30 import com.google.common.base.Preconditions;
              ClientCredsTokenProvider.java  (1 usage found)
                  23 import com.google.common.base.Preconditions;
              CustomTokenProviderAdapter.java  (1 usage found)
                  25 import com.google.common.base.Preconditions;
              IdentityTransformer.java  (1 usage found)
                  24 import com.google.common.base.Preconditions;
              RefreshTokenBasedTokenProvider.java  (1 usage found)
                  23 import com.google.common.base.Preconditions;
              UserPasswordTokenProvider.java  (1 usage found)
                  22 import com.google.common.base.Preconditions;
          org.apache.hadoop.fs.azurebfs.security  (1 usage found)
              AbfsDelegationTokenManager.java  (1 usage found)
                  27 import com.google.common.base.Preconditions;
          org.apache.hadoop.fs.azurebfs.services  (3 usages found)
              AbfsClientThrottlingAnalyzer.java  (1 usage found)
                  28 import com.google.common.base.Preconditions;
              AbfsInputStream.java  (1 usage found)
                  26 import com.google.common.base.Preconditions;
              AbfsOutputStream.java  (1 usage found)
                  37 import com.google.common.base.Preconditions;
          org.apache.hadoop.fs.azurebfs.utils  (1 usage found)
              TextFileBasedIdentityHandler.java  (1 usage found)
                  20 import com.google.common.base.Preconditions;
          org.apache.hadoop.fs.contract.s3a  (1 usage found)
              ITestS3AContractSeek.java  (1 usage found)
                  47 import static com.google.common.base.Preconditions.checkNotNull;
          org.apache.hadoop.fs.cosn.auth  (1 usage found)
              COSCredentialsProviderList.java  (1 usage found)
                  27 import com.google.common.base.Preconditions;
          org.apache.hadoop.fs.ftp  (2 usages found)
              FTPFileSystem.java  (1 usage found)
                  28 import com.google.common.base.Preconditions;
              TestFTPFileSystem.java  (1 usage found)
                  26 import com.google.common.base.Preconditions;
          org.apache.hadoop.fs.http.client  (1 usage found)
              HttpFSFileSystem.java  (1 usage found)
                  74 import com.google.common.base.Preconditions;
          org.apache.hadoop.fs.impl  (5 usages found)
              AbstractFSBuilderImpl.java  (2 usages found)
                  39 import static com.google.common.base.Preconditions.checkArgument;
                  40 import static com.google.common.base.Preconditions.checkNotNull;
              FsLinkResolution.java  (1 usage found)
                  23 import com.google.common.base.Preconditions;
              PathCapabilitiesSupport.java  (1 usage found)
                  28 import static com.google.common.base.Preconditions.checkArgument;
              WrappedIOException.java  (1 usage found)
                  24 import com.google.common.base.Preconditions;
          org.apache.hadoop.fs.loadGenerator  (1 usage found)
              LoadGenerator.java  (1 usage found)
                  50 import com.google.common.base.Preconditions;
          org.apache.hadoop.fs.permission  (1 usage found)
              AclStatus.java  (1 usage found)
                  26 import com.google.common.base.Preconditions;
          org.apache.hadoop.fs.s3a  (22 usages found)
              AWSClientIOException.java  (1 usage found)
                  23 import com.google.common.base.Preconditions;
              AWSCredentialProviderList.java  (1 usage found)
                  35 import com.google.common.base.Preconditions;
              FailureInjectionPolicy.java  (1 usage found)
                  21 import com.google.common.base.Preconditions;
              InconsistentAmazonS3Client.java  (1 usage found)
                  56 import com.google.common.base.Preconditions;
              Invoker.java  (1 usage found)
                  28 import com.google.common.base.Preconditions;
              Listing.java  (1 usage found)
                  34 import com.google.common.base.Preconditions;
              MockS3AFileSystem.java  (1 usage found)
                  45 import static com.google.common.base.Preconditions.checkNotNull;
              S3ABlockOutputStream.java  (1 usage found)
                  38 import com.google.common.base.Preconditions;
              S3ADataBlocks.java  (1 usage found)
                  35 import com.google.common.base.Preconditions;
              S3AFileSystem.java  (1 usage found)
                  83 import com.google.common.base.Preconditions;
              S3AInputStream.java  (1 usage found)
                  29 import com.google.common.base.Preconditions;
              S3ALocatedFileStatus.java  (1 usage found)
                  24 import static com.google.common.base.Preconditions.checkNotNull;
              S3AMultipartUploader.java  (1 usage found)
                  39 import com.google.common.base.Preconditions;
              S3AOpContext.java  (1 usage found)
                  23 import com.google.common.base.Preconditions;
              S3AReadOpContext.java  (2 usages found)
                  28 import com.google.common.base.Preconditions;
                  30 import static com.google.common.base.Preconditions.checkNotNull;
              S3ARetryPolicy.java  (1 usage found)
                  35 import com.google.common.base.Preconditions;
              S3ATestUtils.java  (1 usage found)
                  72 import static com.google.common.base.Preconditions.checkNotNull;
              S3AUtils.java  (1 usage found)
                  39 import com.google.common.base.Preconditions;
              WriteOperationHelper.java  (3 usages found)
                  44 import com.google.common.base.Preconditions;
                  58 import static com.google.common.base.Preconditions.checkArgument;
                  59 import static com.google.common.base.Preconditions.checkNotNull;
          org.apache.hadoop.fs.s3a.auth  (3 usages found)
              MarshalledCredentialProvider.java  (1 usage found)
                  31 import static com.google.common.base.Preconditions.checkNotNull;
              RoleModel.java  (1 usage found)
                  38 import static com.google.common.base.Preconditions.checkState;
              STSClientFactory.java  (1 usage found)
                  33 import com.google.common.base.Preconditions;
          org.apache.hadoop.fs.s3a.auth.delegation  (6 usages found)
              AbstractDTService.java  (1 usage found)
                  24 import com.google.common.base.Preconditions;
              FullCredentialsTokenBinding.java  (1 usage found)
                  25 import com.google.common.base.Preconditions;
              MiniKerberizedHadoopCluster.java  (1 usage found)
                  25 import com.google.common.base.Preconditions;
              RoleTokenBinding.java  (1 usage found)
                  28 import com.google.common.base.Preconditions;
              S3ADelegationTokens.java  (2 usages found)
                  48 import static com.google.common.base.Preconditions.checkArgument;
                  49 import static com.google.common.base.Preconditions.checkState;
          org.apache.hadoop.fs.s3a.commit  (4 usages found)
              AbstractS3ACommitter.java  (1 usage found)
                  33 import com.google.common.base.Preconditions;
              AbstractYarnClusterITest.java  (1 usage found)
                  42 import static com.google.common.base.Preconditions.checkNotNull;
              CommitOperations.java  (1 usage found)
                  36 import com.google.common.base.Preconditions;
              MagicCommitPaths.java  (1 usage found)
                  28 import static com.google.common.base.Preconditions.checkArgument;
          org.apache.hadoop.fs.s3a.commit.files  (1 usage found)
              SinglePendingCommit.java  (1 usage found)
                  34 import com.google.common.base.Preconditions;
          org.apache.hadoop.fs.s3a.commit.magic  (1 usage found)
              MagicCommitTracker.java  (1 usage found)
                  27 import com.google.common.base.Preconditions;
          org.apache.hadoop.fs.s3a.commit.staging  (3 usages found)
              Paths.java  (1 usage found)
                  27 import com.google.common.base.Preconditions;
              StagingCommitter.java  (2 usages found)
                  29 import com.google.common.base.Preconditions;
                  54 import static com.google.common.base.Preconditions.*;
          org.apache.hadoop.fs.s3a.impl  (6 usages found)
              AbstractStoreOperation.java  (1 usage found)
                  21 import static com.google.common.base.Preconditions.checkNotNull;
              ChangeTracker.java  (1 usage found)
                  43 import static com.google.common.base.Preconditions.checkNotNull;
              DeleteOperation.java  (1 usage found)
                  47 import static com.google.common.base.Preconditions.checkArgument;
              ExecutingStoreOperation.java  (1 usage found)
                  24 import com.google.common.base.Preconditions;
              MultiObjectDeleteSupport.java  (1 usage found)
                  43 import static com.google.common.base.Preconditions.checkNotNull;
              RenameOperation.java  (1 usage found)
                  47 import static com.google.common.base.Preconditions.checkNotNull;
          org.apache.hadoop.fs.s3a.s3guard  (24 usages found)
              AbstractS3GuardToolTestBase.java  (1 usage found)
                  40 import com.google.common.base.Preconditions;
              DescendantsIterator.java  (1 usage found)
                  27 import com.google.common.base.Preconditions;
              DirListingMetadata.java  (1 usage found)
                  32 import com.google.common.base.Preconditions;
              DumpS3GuardDynamoTable.java  (1 usage found)
                  62 import static com.google.common.base.Preconditions.checkNotNull;
              DynamoDBClientFactory.java  (1 usage found)
                  28 import com.google.common.base.Preconditions;
              DynamoDBMetadataStore.java  (1 usage found)
                  66 import com.google.common.base.Preconditions;
              DynamoDBMetadataStoreTableManager.java  (1 usage found)
                  55 import com.google.common.base.Preconditions;
              ImportOperation.java  (1 usage found)
                  26 import com.google.common.base.Preconditions;
              ITestDynamoDBMetadataStore.java  (1 usage found)
                  79 import static com.google.common.base.Preconditions.checkNotNull;
              ITestDynamoDBMetadataStoreScale.java  (1 usage found)
                  64 import static com.google.common.base.Preconditions.checkNotNull;
              ITestS3GuardDDBRootOperations.java  (1 usage found)
                  40 import static com.google.common.base.Preconditions.checkNotNull;
              LocalMetadataStore.java  (1 usage found)
                  24 import com.google.common.base.Preconditions;
              MetadataStoreListFilesIterator.java  (1 usage found)
                  30 import com.google.common.base.Preconditions;
              MetadataStoreTestBase.java  (1 usage found)
                  51 import static com.google.common.base.Preconditions.checkNotNull;
              PathMetadata.java  (1 usage found)
                  21 import com.google.common.base.Preconditions;
              PathMetadataDynamoDBTranslation.java  (1 usage found)
                  38 import com.google.common.base.Preconditions;
              ProgressiveRenameTracker.java  (1 usage found)
                  32 import static com.google.common.base.Preconditions.checkArgument;
              PurgeS3GuardDynamoTable.java  (1 usage found)
                  46 import static com.google.common.base.Preconditions.checkNotNull;
              RenameTracker.java  (1 usage found)
                  36 import static com.google.common.base.Preconditions.checkNotNull;
              S3Guard.java  (1 usage found)
                  39 import com.google.common.base.Preconditions;
              S3GuardFsck.java  (1 usage found)
                  42 import com.google.common.base.Preconditions;
              S3GuardTableAccess.java  (1 usage found)
                  42 import static com.google.common.base.Preconditions.checkNotNull;
              S3GuardTool.java  (1 usage found)
                  42 import com.google.common.base.Preconditions;
              TestPathMetadataDynamoDBTranslation.java  (1 usage found)
                  32 import com.google.common.base.Preconditions;
          org.apache.hadoop.fs.s3a.scale  (1 usage found)
              ILoadTestS3ABulkDeleteThrottling.java  (1 usage found)
                  33 import com.google.common.base.Preconditions;
          org.apache.hadoop.fs.s3a.select  (6 usages found)
              CsvFile.java  (1 usage found)
                  25 import com.google.common.base.Preconditions;
              ITestS3SelectCLI.java  (1 usage found)
                  45 import static com.google.common.base.Preconditions.checkNotNull;
              SelectBinding.java  (2 usages found)
                  33 import com.google.common.base.Preconditions;
                  47 import static com.google.common.base.Preconditions.checkNotNull;
              SelectInputStream.java  (2 usages found)
                  31 import com.google.common.base.Preconditions;
                  47 import static com.google.common.base.Preconditions.checkNotNull;
          org.apache.hadoop.fs.s3native  (1 usage found)
              S3xLoginHelper.java  (1 usage found)
                  26 import com.google.common.base.Preconditions;
          org.apache.hadoop.fs.shell  (2 usages found)
              SnapshotCommands.java  (1 usage found)
                  29 import com.google.common.base.Preconditions;
              XAttrCommands.java  (1 usage found)
                  26 import com.google.common.base.Preconditions;
          org.apache.hadoop.fs.viewfs  (1 usage found)
              InodeTree.java  (1 usage found)
                  20 import com.google.common.base.Preconditions;
          org.apache.hadoop.ha  (5 usages found)
              ActiveStandbyElector.java  (1 usage found)
                  47 import com.google.common.base.Preconditions;
              FailoverController.java  (1 usage found)
                  31 import com.google.common.base.Preconditions;
              HealthMonitor.java  (1 usage found)
                  35 import com.google.common.base.Preconditions;
              MiniZKFCCluster.java  (1 usage found)
                  40 import com.google.common.base.Preconditions;
              ZKFailoverController.java  (1 usage found)
                  54 import com.google.common.base.Preconditions;
          org.apache.hadoop.hdfs  (22 usages found)
              DFSClient.java  (1 usage found)
                  197 import com.google.common.base.Preconditions;
              DFSOutputStream.java  (1 usage found)
                  76 import com.google.common.base.Preconditions;
              DFSStripedOutputStream.java  (1 usage found)
                  21 import com.google.common.base.Preconditions;
              DFSTestUtil.java  (1 usage found)
                  77 import com.google.common.base.Preconditions;
              DFSUtil.java  (1 usage found)
                  109 import com.google.common.base.Preconditions;
              DFSUtilClient.java  (1 usage found)
                  21 import com.google.common.base.Preconditions;
              DistributedFileSystem.java  (1 usage found)
                  23 import com.google.common.base.Preconditions;
              ErasureCodeBenchmarkThroughput.java  (1 usage found)
                  20 import com.google.common.base.Preconditions;
              HAUtil.java  (1 usage found)
                  60 import com.google.common.base.Preconditions;
              MiniDFSCluster.java  (1 usage found)
                  146 import com.google.common.base.Preconditions;
              MiniDFSNNTopology.java  (1 usage found)
                  25 import com.google.common.base.Preconditions;
              NameNodeProxiesClient.java  (1 usage found)
                  39 import com.google.common.base.Preconditions;
              PeerCache.java  (1 usage found)
                  27 import com.google.common.base.Preconditions;
              PositionStripeReader.java  (1 usage found)
                  20 import com.google.common.base.Preconditions;
              StatefulStripeReader.java  (1 usage found)
                  20 import com.google.common.base.Preconditions;
              StripeReader.java  (1 usage found)
                  20 import com.google.common.base.Preconditions;
              TestAppendSnapshotTruncate.java  (1 usage found)
                  54 import com.google.common.base.Preconditions;
              TestDFSStripedOutputStreamWithFailureBase.java  (1 usage found)
                  20 import com.google.common.base.Preconditions;
              TestLeaseRecoveryStriped.java  (1 usage found)
                  20 import com.google.common.base.Preconditions;
              TestMiniDFSCluster.java  (1 usage found)
                  45 import com.google.common.base.Preconditions;
              UpgradeUtilities.java  (1 usage found)
                  54 import com.google.common.base.Preconditions;
              XAttrHelper.java  (1 usage found)
                  29 import com.google.common.base.Preconditions;
          org.apache.hadoop.hdfs.client  (2 usages found)
              HdfsDataInputStream.java  (1 usage found)
                  34 import com.google.common.base.Preconditions;
              HdfsDataOutputStream.java  (1 usage found)
                  31 import com.google.common.base.Preconditions;
          org.apache.hadoop.hdfs.client.impl  (3 usages found)
              BlockReaderFactory.java  (1 usage found)
                  78 import com.google.common.base.Preconditions;
              BlockReaderLocal.java  (1 usage found)
                  21 import com.google.common.base.Preconditions;
              DfsClientConf.java  (1 usage found)
                  21 import com.google.common.base.Preconditions;
          org.apache.hadoop.hdfs.net  (2 usages found)
              DFSNetworkTopology.java  (1 usage found)
                  21 import com.google.common.base.Preconditions;
              DFSTopologyNodeImpl.java  (1 usage found)
                  21 import com.google.common.base.Preconditions;
          org.apache.hadoop.hdfs.nfs.nfs3  (5 usages found)
              DFSClientCache.java  (1 usage found)
                  32 import com.google.common.base.Preconditions;
              OffsetRange.java  (1 usage found)
                  22 import com.google.common.base.Preconditions;
              OpenFileCtx.java  (1 usage found)
                  61 import com.google.common.base.Preconditions;
              OpenFileCtxCache.java  (1 usage found)
                  34 import com.google.common.base.Preconditions;
              WriteCtx.java  (1 usage found)
                  33 import com.google.common.base.Preconditions;
          org.apache.hadoop.hdfs.protocol  (13 usages found)
              BlockListAsLongs.java  (1 usage found)
                  37 import com.google.common.base.Preconditions;
              CacheDirective.java  (2 usages found)
                  20 import static com.google.common.base.Preconditions.checkNotNull;
                  31 import com.google.common.base.Preconditions;
              CacheDirectiveInfo.java  (1 usage found)
                  28 import com.google.common.base.Preconditions;
              CacheDirectiveIterator.java  (1 usage found)
                  29 import com.google.common.base.Preconditions;
              ErasureCodingPolicy.java  (1 usage found)
                  20 import com.google.common.base.Preconditions;
              ErasureCodingPolicyInfo.java  (1 usage found)
                  20 import com.google.common.base.Preconditions;
              HdfsPartialListing.java  (1 usage found)
                  21 import com.google.common.base.Preconditions;
              LayoutFlags.java  (1 usage found)
                  27 import com.google.common.base.Preconditions;
              LocatedBlock.java  (1 usage found)
                  25 import com.google.common.base.Preconditions;
              ReencryptionStatus.java  (1 usage found)
                  21 import com.google.common.base.Preconditions;
              SnapshotDiffReportListing.java  (1 usage found)
                  23 import com.google.common.base.Preconditions;
              ZoneReencryptionStatus.java  (1 usage found)
                  20 import com.google.common.base.Preconditions;
          org.apache.hadoop.hdfs.protocol.datatransfer  (2 usages found)
              PacketHeader.java  (1 usage found)
                  30 import com.google.common.base.Preconditions;
              PacketReceiver.java  (1 usage found)
                  31 import com.google.common.base.Preconditions;
          org.apache.hadoop.hdfs.protocolPB  (2 usages found)
              DatanodeProtocolServerSideTranslatorPB.java  (1 usage found)
                  64 import com.google.common.base.Preconditions;
              PBHelperClient.java  (1 usage found)
                  31 import com.google.common.base.Preconditions;
          org.apache.hadoop.hdfs.qjournal.client  (7 usages found)
              AsyncLoggerSet.java  (1 usage found)
                  39 import com.google.common.base.Preconditions;
              IPCLoggerChannel.java  (1 usage found)
                  61 import com.google.common.base.Preconditions;
              QuorumCall.java  (1 usage found)
                  33 import com.google.common.base.Preconditions;
              QuorumException.java  (1 usage found)
                  26 import com.google.common.base.Preconditions;
              QuorumJournalManager.java  (1 usage found)
                  63 import com.google.common.base.Preconditions;
              SegmentRecoveryComparator.java  (1 usage found)
                  26 import com.google.common.base.Preconditions;
              TestQJMWithFaults.java  (1 usage found)
                  64 import com.google.common.base.Preconditions;
          org.apache.hadoop.hdfs.qjournal.server  (2 usages found)
              Journal.java  (1 usage found)
                  76 import com.google.common.base.Preconditions;
              JournalNode.java  (1 usage found)
                  21 import com.google.common.base.Preconditions;
          org.apache.hadoop.hdfs.security.token.block  (1 usage found)
              BlockTokenSecretManager.java  (1 usage found)
                  48 import com.google.common.base.Preconditions;
          org.apache.hadoop.hdfs.security.token.delegation  (1 usage found)
              DelegationTokenSecretManager.java  (1 usage found)
                  52 import com.google.common.base.Preconditions;
          org.apache.hadoop.hdfs.server.balancer  (4 usages found)
              Balancer.java  (2 usages found)
                  20 import static com.google.common.base.Preconditions.checkArgument;
                  72 import com.google.common.base.Preconditions;
              Dispatcher.java  (1 usage found)
                  87 import com.google.common.base.Preconditions;
              NameNodeConnector.java  (1 usage found)
                  34 import com.google.common.base.Preconditions;
          org.apache.hadoop.hdfs.server.blockmanagement  (19 usages found)
              AvailableSpaceBlockPlacementPolicy.java  (1 usage found)
                  30 import com.google.common.base.Preconditions;
              AvailableSpaceRackFaultTolerantBlockPlacementPolicy.java  (1 usage found)
                  21 import com.google.common.base.Preconditions;
              BlockIdManager.java  (1 usage found)
                  21 import com.google.common.base.Preconditions;
              BlockInfo.java  (1 usage found)
                  25 import com.google.common.base.Preconditions;
              BlockInfoContiguous.java  (1 usage found)
                  20 import com.google.common.base.Preconditions;
              BlockInfoStriped.java  (1 usage found)
                  21 import com.google.common.base.Preconditions;
              BlockManager.java  (1 usage found)
                  130 import com.google.common.base.Preconditions;
              BlockManagerSafeMode.java  (1 usage found)
                  39 import com.google.common.base.Preconditions;
              BlockManagerTestUtil.java  (1 usage found)
                  39 import com.google.common.base.Preconditions;
              BlockPlacementPolicy.java  (1 usage found)
                  28 import com.google.common.base.Preconditions;
              BlockPlacementPolicyDefault.java  (1 usage found)
                  25 import com.google.common.base.Preconditions;
              BlockReportLeaseManager.java  (1 usage found)
                  20 import com.google.common.base.Preconditions;
              BlockStoragePolicySuite.java  (1 usage found)
                  21 import com.google.common.base.Preconditions;
              BlockToMarkCorrupt.java  (1 usage found)
                  22 import com.google.common.base.Preconditions;
              CacheReplicationMonitor.java  (1 usage found)
                  58 import com.google.common.base.Preconditions;
              DatanodeAdminDefaultMonitor.java  (1 usage found)
                  20 import com.google.common.base.Preconditions;
              DatanodeAdminManager.java  (1 usage found)
                  20 import static com.google.common.base.Preconditions.checkArgument;
              DatanodeManager.java  (1 usage found)
                  24 import com.google.common.base.Preconditions;
              HostSet.java  (1 usage found)
                  22 import com.google.common.base.Preconditions;
          org.apache.hadoop.hdfs.server.common  (3 usages found)
              HdfsServerConstants.java  (1 usage found)
                  34 import com.google.common.base.Preconditions;
              Storage.java  (1 usage found)
                  57 import com.google.common.base.Preconditions;
              Util.java  (1 usage found)
                  39 import com.google.common.base.Preconditions;
          org.apache.hadoop.hdfs.server.datanode  (17 usages found)
              BlockChecksumHelper.java  (1 usage found)
                  20 import com.google.common.base.Preconditions;
              BlockPoolManager.java  (1 usage found)
                  33 import com.google.common.base.Preconditions;
              BlockPoolSliceStorage.java  (1 usage found)
                  51 import com.google.common.base.Preconditions;
              BlockRecoveryWorker.java  (1 usage found)
                  22 import com.google.common.base.Preconditions;
              BlockScanner.java  (1 usage found)
                  36 import com.google.common.base.Preconditions;
              BlockSender.java  (1 usage found)
                  59 import com.google.common.base.Preconditions;
              BPOfferService.java  (1 usage found)
                  21 import com.google.common.base.Preconditions;
              DataNode.java  (1 usage found)
                  227 import com.google.common.base.Preconditions;
              DataXceiver.java  (1 usage found)
                  21 import com.google.common.base.Preconditions;
              DataXceiverServer.java  (1 usage found)
                  39 import com.google.common.base.Preconditions;
              DiskBalancer.java  (1 usage found)
                  22 import com.google.common.base.Preconditions;
              DiskBalancerWorkItem.java  (1 usage found)
                  25 import com.google.common.base.Preconditions;
              DiskBalancerWorkStatus.java  (1 usage found)
                  26 import com.google.common.base.Preconditions;
              FsDatasetTestUtils.java  (1 usage found)
                  20 import com.google.common.base.Preconditions;
              InternalDataNodeTestUtils.java  (1 usage found)
                  49 import com.google.common.base.Preconditions;
              ShortCircuitRegistry.java  (1 usage found)
                  50 import com.google.common.base.Preconditions;
              VolumeScanner.java  (1 usage found)
                  34 import com.google.common.base.Preconditions;
          org.apache.hadoop.hdfs.server.datanode.checker  (4 usages found)
              AbstractFuture.java  (2 usages found)
                  25 import com.google.common.base.Preconditions;
                  26 import static com.google.common.base.Preconditions.checkNotNull;
              DatasetVolumeChecker.java  (1 usage found)
                  22 import com.google.common.base.Preconditions;
              TimeoutFuture.java  (1 usage found)
                  23 import com.google.common.base.Preconditions;
          org.apache.hadoop.hdfs.server.datanode.erasurecode  (3 usages found)
              ErasureCodingWorker.java  (1 usage found)
                  20 import com.google.common.base.Preconditions;
              StripedReader.java  (1 usage found)
                  20 import com.google.common.base.Preconditions;
              StripedWriter.java  (1 usage found)
                  20 import com.google.common.base.Preconditions;
          org.apache.hadoop.hdfs.server.datanode.fsdataset.impl  (10 usages found)
              FsDatasetCache.java  (1 usage found)
                  26 import com.google.common.base.Preconditions;
              FsDatasetImpl.java  (1 usage found)
                  124 import com.google.common.base.Preconditions;
              FsDatasetImplTestUtils.java  (1 usage found)
                  21 import com.google.common.base.Preconditions;
              FsDatasetUtil.java  (1 usage found)
                  37 import com.google.common.base.Preconditions;
              FsVolumeImpl.java  (1 usage found)
                  91 import com.google.common.base.Preconditions;
              LazyPersistTestCase.java  (1 usage found)
                  48 import com.google.common.base.Preconditions;
              MappableBlockLoader.java  (1 usage found)
                  21 import com.google.common.base.Preconditions;
              NativePmemMappableBlockLoader.java  (1 usage found)
                  21 import com.google.common.base.Preconditions;
              RamDiskReplicaTracker.java  (1 usage found)
                  21 import com.google.common.base.Preconditions;
              TestScrLazyPersistFiles.java  (1 usage found)
                  19 import com.google.common.base.Preconditions;
          org.apache.hadoop.hdfs.server.datanode.web.webhdfs  (1 usage found)
              WebHdfsHandler.java  (1 usage found)
                  20 import com.google.common.base.Preconditions;
          org.apache.hadoop.hdfs.server.diskbalancer  (3 usages found)
              DiskBalancerTestUtil.java  (1 usage found)
                  20 import com.google.common.base.Preconditions;
              TestDiskBalancer.java  (1 usage found)
                  19 import com.google.common.base.Preconditions;
              TestDiskBalancerWithMockMover.java  (1 usage found)
                  22 import com.google.common.base.Preconditions;
          org.apache.hadoop.hdfs.server.diskbalancer.command  (7 usages found)
              CancelCommand.java  (1 usage found)
                  22 import com.google.common.base.Preconditions;
              Command.java  (1 usage found)
                  24 import com.google.common.base.Preconditions;
              ExecuteCommand.java  (1 usage found)
                  22 import com.google.common.base.Preconditions;
              HelpCommand.java  (1 usage found)
                  22 import com.google.common.base.Preconditions;
              PlanCommand.java  (1 usage found)
                  20 import com.google.common.base.Preconditions;
              QueryCommand.java  (1 usage found)
                  22 import com.google.common.base.Preconditions;
              ReportCommand.java  (1 usage found)
                  36 import com.google.common.base.Preconditions;
          org.apache.hadoop.hdfs.server.diskbalancer.connectors  (2 usages found)
              DBNameNodeConnector.java  (1 usage found)
                  20 import com.google.common.base.Preconditions;
              JsonNodeConnector.java  (1 usage found)
                  22 import com.google.common.base.Preconditions;
          org.apache.hadoop.hdfs.server.diskbalancer.datamodel  (3 usages found)
              DiskBalancerCluster.java  (1 usage found)
                  24 import com.google.common.base.Preconditions;
              DiskBalancerDataNode.java  (1 usage found)
                  20 import com.google.common.base.Preconditions;
              DiskBalancerVolumeSet.java  (1 usage found)
                  24 import com.google.common.base.Preconditions;
          org.apache.hadoop.hdfs.server.diskbalancer.planner  (2 usages found)
              GreedyPlanner.java  (1 usage found)
                  20 import com.google.common.base.Preconditions;
              NodePlan.java  (1 usage found)
                  24 import com.google.common.base.Preconditions;
          org.apache.hadoop.hdfs.server.federation.resolver.order  (1 usage found)
              AvailableSpaceResolver.java  (1 usage found)
                  42 import com.google.common.base.Preconditions;
          org.apache.hadoop.hdfs.server.federation.router  (1 usage found)
              RouterAdminServer.java  (1 usage found)
                  32 import com.google.common.base.Preconditions;
          org.apache.hadoop.hdfs.server.mover  (1 usage found)
              TestStorageMover.java  (1 usage found)
                  68 import com.google.common.base.Preconditions;
          org.apache.hadoop.hdfs.server.namenode  (55 usages found)
              AclFeature.java  (1 usage found)
                  27 import com.google.common.base.Preconditions;
              BackupImage.java  (1 usage found)
                  33 import com.google.common.base.Preconditions;
              CachePool.java  (1 usage found)
                  35 import com.google.common.base.Preconditions;
              ContentSummaryComputationContext.java  (1 usage found)
                  20 import com.google.common.base.Preconditions;
              EditLogBackupInputStream.java  (1 usage found)
                  24 import com.google.common.base.Preconditions;
              EditLogFileInputStream.java  (1 usage found)
                  49 import com.google.common.base.Preconditions;
              EditsDoubleBuffer.java  (1 usage found)
                  35 import com.google.common.base.Preconditions;
              EncryptionZoneManager.java  (1 usage found)
                  33 import com.google.common.base.Preconditions;
              ErasureCodingPolicyManager.java  (1 usage found)
                  21 import com.google.common.base.Preconditions;
              FileJournalManager.java  (1 usage found)
                  50 import com.google.common.base.Preconditions;
              FSDirAclOp.java  (1 usage found)
                  20 import com.google.common.base.Preconditions;
              FSDirAppendOp.java  (1 usage found)
                  43 import com.google.common.base.Preconditions;
              FSDirConcatOp.java  (1 usage found)
                  20 import com.google.common.base.Preconditions;
              FSDirectory.java  (1 usage found)
                  25 import com.google.common.base.Preconditions;
              FSDirEncryptionZoneOp.java  (1 usage found)
                  55 import com.google.common.base.Preconditions;
              FSDirErasureCodingOp.java  (1 usage found)
                  20 import com.google.common.base.Preconditions;
              FSDirMkdirOp.java  (1 usage found)
                  21 import com.google.common.base.Preconditions;
              FSDirRenameOp.java  (1 usage found)
                  20 import com.google.common.base.Preconditions;
              FSDirStatAndListingOp.java  (1 usage found)
                  21 import com.google.common.base.Preconditions;
              FSDirWriteFileOp.java  (1 usage found)
                  20 import com.google.common.base.Preconditions;
              FSDirXAttrOp.java  (1 usage found)
                  21 import com.google.common.base.Preconditions;
              FSEditLog.java  (1 usage found)
                  113 import com.google.common.base.Preconditions;
              FSEditLogAsync.java  (1 usage found)
                  37 import com.google.common.base.Preconditions;
              FSEditLogLoader.java  (1 usage found)
                  121 import com.google.common.base.Preconditions;
              FSEditLogOp.java  (1 usage found)
                  142 import com.google.common.base.Preconditions;
              FSImage.java  (1 usage found)
                  79 import com.google.common.base.Preconditions;
              FSImageFormat.java  (1 usage found)
                  79 import com.google.common.base.Preconditions;
              FSImageFormatPBINode.java  (1 usage found)
                  74 import com.google.common.base.Preconditions;
              FSImageSerialization.java  (1 usage found)
                  56 import com.google.common.base.Preconditions;
              FSNamesystem.java  (1 usage found)
                  342 import com.google.common.base.Preconditions;
              FSPermissionChecker.java  (1 usage found)
                  27 import com.google.common.base.Preconditions;
              FSTreeTraverser.java  (1 usage found)
                  37 import com.google.common.base.Preconditions;
              ImageServlet.java  (1 usage found)
                  67 import com.google.common.base.Preconditions;
              INode.java  (1 usage found)
                  21 import com.google.common.base.Preconditions;
              INodeDirectory.java  (1 usage found)
                  44 import com.google.common.base.Preconditions;
              INodeDirectoryAttributes.java  (1 usage found)
                  25 import com.google.common.base.Preconditions;
              INodeFile.java  (1 usage found)
                  61 import com.google.common.base.Preconditions;
              INodeMap.java  (1 usage found)
                  29 import com.google.common.base.Preconditions;
              INodeReference.java  (1 usage found)
                  32 import com.google.common.base.Preconditions;
              INodesInPath.java  (1 usage found)
                  30 import com.google.common.base.Preconditions;
              INodeWithAdditionalFields.java  (1 usage found)
                  27 import com.google.common.base.Preconditions;
              JournalSet.java  (1 usage found)
                  43 import com.google.common.base.Preconditions;
              LeaseManager.java  (1 usage found)
                  56 import com.google.common.base.Preconditions;
              NameNode.java  (1 usage found)
                  22 import com.google.common.base.Preconditions;
              NNStorage.java  (1 usage found)
                  61 import com.google.common.base.Preconditions;
              NNStorageRetentionManager.java  (1 usage found)
                  40 import com.google.common.base.Preconditions;
              NNThroughputBenchmark.java  (1 usage found)
                  30 import com.google.common.base.Preconditions;
              NNUpgradeUtil.java  (1 usage found)
                  37 import com.google.common.base.Preconditions;
              RedundantEditLogInputStream.java  (1 usage found)
                  29 import com.google.common.base.Preconditions;
              ReencryptionHandler.java  (1 usage found)
                  21 import com.google.common.base.Preconditions;
              ReencryptionUpdater.java  (1 usage found)
                  21 import com.google.common.base.Preconditions;
              SaveNamespaceContext.java  (1 usage found)
                  29 import com.google.common.base.Preconditions;
              SecondaryNameNode.java  (1 usage found)
                  81 import com.google.common.base.Preconditions;
              XAttrFormat.java  (1 usage found)
                  28 import com.google.common.base.Preconditions;
              XAttrPermissionFilter.java  (1 usage found)
                  29 import com.google.common.base.Preconditions;
          org.apache.hadoop.hdfs.server.namenode.ha  (4 usages found)
              BootstrapStandby.java  (1 usage found)
                  74 import com.google.common.base.Preconditions;
              EditLogTailer.java  (1 usage found)
                  62 import com.google.common.base.Preconditions;
              RemoteNameNodeInfo.java  (1 usage found)
                  33 import com.google.common.base.Preconditions;
              StandbyCheckpointer.java  (1 usage found)
                  52 import com.google.common.base.Preconditions;
          org.apache.hadoop.hdfs.server.namenode.snapshot  (9 usages found)
              AbstractINodeDiff.java  (1 usage found)
                  27 import com.google.common.base.Preconditions;
              DiffListBySkipList.java  (1 usage found)
                  20 import com.google.common.base.Preconditions;
              DirectorySnapshottableFeature.java  (1 usage found)
                  51 import com.google.common.base.Preconditions;
              DirectoryWithSnapshotFeature.java  (1 usage found)
                  20 import com.google.common.base.Preconditions;
              FSImageFormatPBSnapshot.java  (1 usage found)
                  85 import com.google.common.base.Preconditions;
              SnapshotDiffInfo.java  (1 usage found)
                  36 import com.google.common.base.Preconditions;
              SnapshotDiffListingInfo.java  (1 usage found)
                  32 import com.google.common.base.Preconditions;
              SnapshotFSImageFormat.java  (1 usage found)
                  43 import com.google.common.base.Preconditions;
              SnapshotManager.java  (1 usage found)
                  60 import com.google.common.base.Preconditions;
          org.apache.hadoop.hdfs.server.namenode.sps  (1 usage found)
              StoragePolicySatisfier.java  (1 usage found)
                  61 import com.google.common.base.Preconditions;
          org.apache.hadoop.hdfs.server.namenode.top  (2 usages found)
              TopAuditLogger.java  (1 usage found)
                  22 import com.google.common.base.Preconditions;
              TopConf.java  (1 usage found)
                  26 import com.google.common.base.Preconditions;
          org.apache.hadoop.hdfs.server.namenode.top.window  (1 usage found)
              RollingWindowManager.java  (1 usage found)
                  27 import com.google.common.base.Preconditions;
          org.apache.hadoop.hdfs.server.protocol  (3 usages found)
              BlocksWithLocations.java  (1 usage found)
                  20 import com.google.common.base.Preconditions;
              NamespaceInfo.java  (1 usage found)
                  34 import com.google.common.base.Preconditions;
              RemoteEditLogManifest.java  (1 usage found)
                  24 import com.google.common.base.Preconditions;
          org.apache.hadoop.hdfs.shortcircuit  (7 usages found)
              DfsClientShm.java  (1 usage found)
                  29 import com.google.common.base.Preconditions;
              DfsClientShmManager.java  (1 usage found)
                  47 import com.google.common.base.Preconditions;
              DomainSocketFactory.java  (1 usage found)
                  33 import com.google.common.base.Preconditions;
              ShortCircuitCache.java  (1 usage found)
                  58 import com.google.common.base.Preconditions;
              ShortCircuitReplica.java  (1 usage found)
                  35 import com.google.common.base.Preconditions;
              ShortCircuitShm.java  (1 usage found)
                  42 import com.google.common.base.Preconditions;
              TestShortCircuitCache.java  (1 usage found)
                  92 import com.google.common.base.Preconditions;
          org.apache.hadoop.hdfs.tools  (4 usages found)
              AdminHelper.java  (1 usage found)
                  21 import com.google.common.base.Preconditions;
              DFSAdmin.java  (1 usage found)
                  106 import com.google.common.base.Preconditions;
              DFSHAAdmin.java  (1 usage found)
                  26 import com.google.common.base.Preconditions;
              NNHAServiceTarget.java  (1 usage found)
                  36 import com.google.common.base.Preconditions;
          org.apache.hadoop.hdfs.tools.offlineImageViewer  (5 usages found)
              FileDistributionCalculator.java  (1 usage found)
                  36 import com.google.common.base.Preconditions;
              FSImageLoader.java  (1 usage found)
                  60 import com.google.common.base.Preconditions;
              OfflineImageReconstructor.java  (1 usage found)
                  20 import com.google.common.base.Preconditions;
              PBImageCorruptionDetector.java  (1 usage found)
                  20 import com.google.common.base.Preconditions;
              PBImageTextWriter.java  (1 usage found)
                  20 import com.google.common.base.Preconditions;
          org.apache.hadoop.hdfs.util  (6 usages found)
              ByteArrayManager.java  (1 usage found)
                  29 import com.google.common.base.Preconditions;
              Diff.java  (1 usage found)
                  20 import com.google.common.base.Preconditions;
              EnumCounters.java  (1 usage found)
                  20 import com.google.common.base.Preconditions;
              EnumDoubles.java  (1 usage found)
                  22 import com.google.common.base.Preconditions;
              StripedBlockUtil.java  (1 usage found)
                  31 import com.google.common.base.Preconditions;
              TestStripedBlockUtil.java  (1 usage found)
                  21 import com.google.common.base.Preconditions;
          org.apache.hadoop.hdfs.web  (2 usages found)
              JsonUtilClient.java  (1 usage found)
                  22 import com.google.common.base.Preconditions;
              WebHdfsFileSystem.java  (1 usage found)
                  137 import com.google.common.base.Preconditions;
          org.apache.hadoop.http  (1 usage found)
              HttpServer2.java  (1 usage found)
                  53 import com.google.common.base.Preconditions;
          org.apache.hadoop.io  (2 usages found)
              DataOutputBuffer.java  (1 usage found)
                  26 import com.google.common.base.Preconditions;
              ReadaheadPool.java  (1 usage found)
                  32 import com.google.common.base.Preconditions;
          org.apache.hadoop.io.erasurecode  (1 usage found)
              CodecUtil.java  (1 usage found)
                  20 import com.google.common.base.Preconditions;
          org.apache.hadoop.io.erasurecode.rawcoder  (1 usage found)
              RawErasureCoderBenchmark.java  (1 usage found)
                  20 import com.google.common.base.Preconditions;
          org.apache.hadoop.io.retry  (2 usages found)
              AsyncCallHandler.java  (1 usage found)
                  21 import com.google.common.base.Preconditions;
              CallReturn.java  (1 usage found)
                  20 import com.google.common.base.Preconditions;
          org.apache.hadoop.ipc  (4 usages found)
              Client.java  (1 usage found)
                  22 import com.google.common.base.Preconditions;
              ClientId.java  (1 usage found)
                  25 import com.google.common.base.Preconditions;
              DecayRpcScheduler.java  (1 usage found)
                  40 import com.google.common.base.Preconditions;
              RetryCache.java  (1 usage found)
                  32 import com.google.common.base.Preconditions;
          org.apache.hadoop.mapred.nativetask.buffer  (1 usage found)
              ByteBufferDataWriter.java  (1 usage found)
                  26 import com.google.common.base.Preconditions;
          org.apache.hadoop.mapred.nativetask.testutil  (1 usage found)
              BytesFactory.java  (1 usage found)
                  22 import com.google.common.base.Preconditions;
          org.apache.hadoop.mapreduce.counters  (2 usages found)
              FileSystemCounterGroup.java  (1 usage found)
                  31 import static com.google.common.base.Preconditions.*;
              FrameworkCounterGroup.java  (1 usage found)
                  21 import static com.google.common.base.Preconditions.checkNotNull;
          org.apache.hadoop.mapreduce.lib.output  (4 usages found)
              FileOutputCommitter.java  (1 usage found)
                  40 import com.google.common.base.Preconditions;
              FileOutputFormat.java  (1 usage found)
                  24 import com.google.common.base.Preconditions;
              NamedCommitterFactory.java  (1 usage found)
                  25 import com.google.common.base.Preconditions;
              PathOutputCommitter.java  (1 usage found)
                  23 import com.google.common.base.Preconditions;
          org.apache.hadoop.mapreduce.v2.app.job.impl  (1 usage found)
              TaskAttemptImpl.java  (1 usage found)
                  149 import com.google.common.base.Preconditions;
          org.apache.hadoop.mapreduce.v2.app.webapp  (1 usage found)
              AMWebServices.java  (1 usage found)
                  81 import com.google.common.base.Preconditions;
          org.apache.hadoop.metrics2  (2 usages found)
              AbstractMetric.java  (1 usage found)
                  27 import static com.google.common.base.Preconditions.checkNotNull;
              MetricsTag.java  (1 usage found)
                  27 import static com.google.common.base.Preconditions.checkNotNull;
          org.apache.hadoop.metrics2.impl  (5 usages found)
              MetricsRecordImpl.java  (1 usage found)
                  23 import static com.google.common.base.Preconditions.*;
              MetricsSinkAdapter.java  (1 usage found)
                  25 import static com.google.common.base.Preconditions.*;
              MetricsSourceAdapter.java  (2 usages found)
                  32 import static com.google.common.base.Preconditions.*;
                  34 import com.google.common.base.Preconditions;
              MetricsSystemImpl.java  (1 usage found)
                  36 import static com.google.common.base.Preconditions.*;
          org.apache.hadoop.metrics2.lib  (7 usages found)
              MethodMetric.java  (1 usage found)
                  23 import static com.google.common.base.Preconditions.*;
              MetricsInfoImpl.java  (1 usage found)
                  26 import static com.google.common.base.Preconditions.checkNotNull;
              MetricsSourceBuilder.java  (1 usage found)
                  25 import static com.google.common.base.Preconditions.*;
              MutableCounter.java  (1 usage found)
                  21 import static com.google.common.base.Preconditions.*;
              MutableGauge.java  (1 usage found)
                  21 import static com.google.common.base.Preconditions.*;
              MutableRates.java  (1 usage found)
                  24 import static com.google.common.base.Preconditions.*;
              MutableRollingAverages.java  (1 usage found)
                  42 import com.google.common.base.Preconditions;
          org.apache.hadoop.metrics2.source  (1 usage found)
              JvmMetrics.java  (1 usage found)
                  31 import com.google.common.base.Preconditions;
          org.apache.hadoop.metrics2.util  (2 usages found)
              MBeans.java  (1 usage found)
                  36 import com.google.common.base.Preconditions;
              SampleQuantiles.java  (1 usage found)
                  31 import com.google.common.base.Preconditions;
          org.apache.hadoop.net  (3 usages found)
              NetUtils.java  (1 usage found)
                  59 import com.google.common.base.Preconditions;
              NetworkTopology.java  (1 usage found)
                  21 import com.google.common.base.Preconditions;
              SocketInputWrapper.java  (1 usage found)
                  30 import com.google.common.base.Preconditions;
          org.apache.hadoop.net.unix  (1 usage found)
              DomainSocketWatcher.java  (1 usage found)
                  39 import com.google.common.base.Preconditions;
          org.apache.hadoop.nfs  (1 usage found)
              NfsExports.java  (1 usage found)
                  35 import com.google.common.base.Preconditions;
          org.apache.hadoop.oncrpc  (2 usages found)
              RpcReply.java  (1 usage found)
                  23 import com.google.common.base.Preconditions;
              XDR.java  (1 usage found)
                  27 import com.google.common.base.Preconditions;
          org.apache.hadoop.oncrpc.security  (2 usages found)
              CredentialsNone.java  (1 usage found)
                  22 import com.google.common.base.Preconditions;
              VerifierNone.java  (1 usage found)
                  22 import com.google.common.base.Preconditions;
          org.apache.hadoop.registry.cli  (1 usage found)
              RegistryCli.java  (1 usage found)
                  30 import com.google.common.base.Preconditions;
          org.apache.hadoop.registry.client.api  (2 usages found)
              DNSOperationsFactory.java  (1 usage found)
                  21 import com.google.common.base.Preconditions;
              RegistryOperationsFactory.java  (1 usage found)
                  21 import com.google.common.base.Preconditions;
          org.apache.hadoop.registry.client.binding  (3 usages found)
              RegistryPathUtils.java  (1 usage found)
                  21 import com.google.common.base.Preconditions;
              RegistryTypeUtils.java  (1 usage found)
                  21 import com.google.common.base.Preconditions;
              RegistryUtils.java  (1 usage found)
                  22 import com.google.common.base.Preconditions;
          org.apache.hadoop.registry.client.impl  (1 usage found)
              FSRegistryOperationsService.java  (1 usage found)
                  51 import com.google.common.base.Preconditions;
          org.apache.hadoop.registry.client.impl.zk  (4 usages found)
              CuratorService.java  (1 usage found)
                  22 import com.google.common.base.Preconditions;
              RegistryOperationsService.java  (1 usage found)
                  21 import com.google.common.base.Preconditions;
              RegistrySecurity.java  (1 usage found)
                  21 import com.google.common.base.Preconditions;
              ZKPathDumper.java  (1 usage found)
                  22 import com.google.common.base.Preconditions;
          org.apache.hadoop.registry.client.types  (2 usages found)
              Endpoint.java  (1 usage found)
                  23 import com.google.common.base.Preconditions;
              ServiceRecord.java  (1 usage found)
                  24 import com.google.common.base.Preconditions;
          org.apache.hadoop.registry.server.dns  (1 usage found)
              RegistryDNSServer.java  (1 usage found)
                  19 import com.google.common.base.Preconditions;
          org.apache.hadoop.registry.server.integration  (1 usage found)
              SelectByYarnPersistence.java  (1 usage found)
                  21 import com.google.common.base.Preconditions;
          org.apache.hadoop.registry.server.services  (1 usage found)
              MicroZookeeperService.java  (1 usage found)
                  21 import com.google.common.base.Preconditions;
          org.apache.hadoop.security.authentication.server  (3 usages found)
              AuthenticationHandlerUtil.java  (1 usage found)
                  23 import com.google.common.base.Preconditions;
              LdapAuthenticationHandler.java  (1 usage found)
                  42 import com.google.common.base.Preconditions;
              MultiSchemeAuthenticationHandler.java  (1 usage found)
                  33 import com.google.common.base.Preconditions;
          org.apache.hadoop.security.authorize  (1 usage found)
              ProxyUsers.java  (1 usage found)
                  21 import com.google.common.base.Preconditions;
          org.apache.hadoop.security.token.delegation  (2 usages found)
              AbstractDelegationTokenSecretManager.java  (1 usage found)
                  44 import com.google.common.base.Preconditions;
              ZKDelegationTokenSecretManager.java  (1 usage found)
                  70 import com.google.common.base.Preconditions;
          org.apache.hadoop.security.token.delegation.web  (2 usages found)
              DelegationTokenAuthenticatedURL.java  (1 usage found)
                  20 import com.google.common.base.Preconditions;
              MultiSchemeDelegationTokenAuthenticationHandler.java  (1 usage found)
                  39 import com.google.common.base.Preconditions;
          org.apache.hadoop.service.launcher  (3 usages found)
              InterruptEscalator.java  (1 usage found)
                  26 import com.google.common.base.Preconditions;
              IrqHandler.java  (1 usage found)
                  23 import com.google.common.base.Preconditions;
              ServiceLauncher.java  (1 usage found)
                  30 import com.google.common.base.Preconditions;
          org.apache.hadoop.test  (2 usages found)
              LambdaTestUtils.java  (1 usage found)
                  21 import com.google.common.base.Preconditions;
              MetricsAsserts.java  (1 usage found)
                  21 import static com.google.common.base.Preconditions.*;
          org.apache.hadoop.tools  (3 usages found)
              DistCp.java  (1 usage found)
                  24 import com.google.common.base.Preconditions;
              DistCpOptions.java  (1 usage found)
                  22 import com.google.common.base.Preconditions;
              OptionsParser.java  (1 usage found)
                  36 import com.google.common.base.Preconditions;
          org.apache.hadoop.tools.dynamometer  (2 usages found)
              AMOptions.java  (1 usage found)
                  20 import com.google.common.base.Preconditions;
              Client.java  (1 usage found)
                  22 import com.google.common.base.Preconditions;
          org.apache.hadoop.tools.mapred  (1 usage found)
              DeletedDirTracker.java  (1 usage found)
                  21 import com.google.common.base.Preconditions;
          org.apache.hadoop.util  (13 usages found)
              ChunkedArrayList.java  (1 usage found)
                  27 import com.google.common.base.Preconditions;
              CloseableReferenceCount.java  (1 usage found)
                  24 import com.google.common.base.Preconditions;
              GcTimeMonitor.java  (1 usage found)
                  21 import com.google.common.base.Preconditions;
              IdentityHashStore.java  (1 usage found)
                  24 import com.google.common.base.Preconditions;
              IntrusiveCollection.java  (1 usage found)
                  26 import com.google.common.base.Preconditions;
              JarFinder.java  (1 usage found)
                  16 import com.google.common.base.Preconditions;
              JsonSerialization.java  (1 usage found)
                  38 import com.google.common.base.Preconditions;
              JvmPauseMonitor.java  (1 usage found)
                  32 import com.google.common.base.Preconditions;
              LightWeightCache.java  (1 usage found)
                  28 import com.google.common.base.Preconditions;
              LimitInputStream.java  (2 usages found)
                  22 import static com.google.common.base.Preconditions.checkArgument;
                  23 import static com.google.common.base.Preconditions.checkNotNull;
              ServletUtil.java  (1 usage found)
                  29 import com.google.common.base.Preconditions;
              StringUtils.java  (1 usage found)
                  45 import com.google.common.base.Preconditions;
          org.apache.hadoop.util.curator  (2 usages found)
              ChildReaper.java  (1 usage found)
                  21 import com.google.common.base.Preconditions;
              ZKCuratorManager.java  (1 usage found)
                  42 import com.google.common.base.Preconditions;
          org.apache.hadoop.yarn.api.protocolrecords.impl.pb  (8 usages found)
              GetPluginInfoRequestPBImpl.java  (1 usage found)
                  20 import com.google.common.base.Preconditions;
              GetPluginInfoResponsePBImpl.java  (1 usage found)
                  20 import com.google.common.base.Preconditions;
              NodePublishVolumeRequestPBImpl.java  (1 usage found)
                  20 import com.google.common.base.Preconditions;
              NodePublishVolumeResponsePBImpl.java  (1 usage found)
                  20 import com.google.common.base.Preconditions;
              NodeUnpublishVolumeRequestPBImpl.java  (1 usage found)
                  20 import com.google.common.base.Preconditions;
              NodeUnpublishVolumeResponsePBImpl.java  (1 usage found)
                  20 import com.google.common.base.Preconditions;
              ValidateVolumeCapabilitiesRequestPBImpl.java  (1 usage found)
                  20 import com.google.common.base.Preconditions;
              ValidateVolumeCapabilitiesResponsePBImpl.java  (1 usage found)
                  20 import com.google.common.base.Preconditions;
          org.apache.hadoop.yarn.api.records.impl.pb  (6 usages found)
              ApplicationAttemptIdPBImpl.java  (1 usage found)
                  28 import com.google.common.base.Preconditions;
              ApplicationIdPBImpl.java  (1 usage found)
                  27 import com.google.common.base.Preconditions;
              ContainerIdPBImpl.java  (1 usage found)
                  28 import com.google.common.base.Preconditions;
              NodeIdPBImpl.java  (1 usage found)
                  27 import com.google.common.base.Preconditions;
              ReservationIdPBImpl.java  (1 usage found)
                  26 import com.google.common.base.Preconditions;
              ResourceOptionPBImpl.java  (1 usage found)
                  27 import com.google.common.base.Preconditions;
          org.apache.hadoop.yarn.client  (2 usages found)
              ClientRMProxy.java  (1 usage found)
                  45 import com.google.common.base.Preconditions;
              ServerProxy.java  (1 usage found)
                  44 import com.google.common.base.Preconditions;
          org.apache.hadoop.yarn.client.api  (1 usage found)
              AMRMClient.java  (1 usage found)
                  51 import com.google.common.base.Preconditions;
          org.apache.hadoop.yarn.client.api.async  (1 usage found)
              AMRMClientAsync.java  (1 usage found)
                  59 import com.google.common.base.Preconditions;
          org.apache.hadoop.yarn.client.api.impl  (2 usages found)
              AMRMClientImpl.java  (1 usage found)
                  84 import com.google.common.base.Preconditions;
              TimelineConnector.java  (1 usage found)
                  57 import com.google.common.base.Preconditions;
          org.apache.hadoop.yarn.client.cli  (2 usages found)
              NodeAttributesCLI.java  (1 usage found)
                  21 import com.google.common.base.Preconditions;
              RMAdminCLI.java  (1 usage found)
                  84 import com.google.common.base.Preconditions;
          org.apache.hadoop.yarn.logaggregation.filecontroller  (1 usage found)
              LogAggregationFileControllerFactory.java  (1 usage found)
                  22 import com.google.common.base.Preconditions;
          org.apache.hadoop.yarn.server  (1 usage found)
              AMHeartbeatRequestHandler.java  (1 usage found)
                  36 import com.google.common.base.Preconditions;
          org.apache.hadoop.yarn.server.api  (1 usage found)
              ServerRMProxy.java  (1 usage found)
                  29 import com.google.common.base.Preconditions;
          org.apache.hadoop.yarn.server.applicationhistoryservice  (1 usage found)
              ApplicationHistoryClientService.java  (1 usage found)
                  61 import com.google.common.base.Preconditions;
          org.apache.hadoop.yarn.server.federation.failover  (1 usage found)
              FederationRMFailoverProxyProvider.java  (1 usage found)
                  46 import com.google.common.base.Preconditions;
          org.apache.hadoop.yarn.server.federation.policies.amrmproxy  (1 usage found)
              LocalityMulticastAMRMProxyPolicy.java  (1 usage found)
                  54 import com.google.common.base.Preconditions;
          org.apache.hadoop.yarn.server.federation.store.records.impl.pb  (1 usage found)
              SubClusterInfoPBImpl.java  (1 usage found)
                  30 import com.google.common.base.Preconditions;
          org.apache.hadoop.yarn.server.nodemanager.amrmproxy  (3 usages found)
              AbstractRequestInterceptor.java  (1 usage found)
                  24 import com.google.common.base.Preconditions;
              AMRMProxyService.java  (1 usage found)
                  84 import com.google.common.base.Preconditions;
              FederationInterceptor.java  (1 usage found)
                  99 import com.google.common.base.Preconditions;
          org.apache.hadoop.yarn.server.nodemanager.containermanager  (1 usage found)
              AuxServices.java  (1 usage found)
                  83 import com.google.common.base.Preconditions;
          org.apache.hadoop.yarn.server.nodemanager.containermanager.container  (1 usage found)
              SlidingWindowRetryPolicy.java  (1 usage found)
                  20 import com.google.common.base.Preconditions;
          org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher  (1 usage found)
              ContainerCleanup.java  (1 usage found)
                  21 import com.google.common.base.Preconditions;
          org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.docker  (1 usage found)
              DockerImagesCommand.java  (1 usage found)
                  20 import com.google.common.base.Preconditions;
          org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer  (1 usage found)
              ContainerLocalizer.java  (1 usage found)
                  22 import com.google.common.base.Preconditions;
          org.apache.hadoop.yarn.server.nodemanager.containermanager.monitor  (1 usage found)
              ContainersMonitorImpl.java  (1 usage found)
                  22 import com.google.common.base.Preconditions;
          org.apache.hadoop.yarn.server.nodemanager.containermanager.resourceplugin.fpga  (1 usage found)
              FpgaDevice.java  (1 usage found)
                  23 import com.google.common.base.Preconditions;
          org.apache.hadoop.yarn.server.resourcemanager.scheduler  (2 usages found)
              ClusterNodeTracker.java  (1 usage found)
                  22 import com.google.common.base.Preconditions;
              SchedulerApplicationAttempt.java  (1 usage found)
                  94 import com.google.common.base.Preconditions;
          org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity  (1 usage found)
              CapacityScheduler.java  (1 usage found)
                  166 import com.google.common.base.Preconditions;
          org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair  (1 usage found)
              FairScheduler.java  (1 usage found)
                  22 import com.google.common.base.Preconditions;
          org.apache.hadoop.yarn.server.timeline  (2 usages found)
              LeveldbTimelineStore.java  (1 usage found)
                  22 import com.google.common.base.Preconditions;
              RollingLevelDBTimelineStore.java  (1 usage found)
                  22 import com.google.common.base.Preconditions;
          org.apache.hadoop.yarn.server.timelineservice.collector  (1 usage found)
              AppLevelTimelineCollector.java  (1 usage found)
                  33 import com.google.common.base.Preconditions;
          org.apache.hadoop.yarn.server.timelineservice.storage.reader  (6 usages found)
              ApplicationEntityReader.java  (1 usage found)
                  61 import com.google.common.base.Preconditions;
              EntityTypeReader.java  (1 usage found)
                  20 import com.google.common.base.Preconditions;
              FlowActivityEntityReader.java  (1 usage found)
                  49 import com.google.common.base.Preconditions;
              FlowRunEntityReader.java  (1 usage found)
                  60 import com.google.common.base.Preconditions;
              GenericEntityReader.java  (1 usage found)
                  66 import com.google.common.base.Preconditions;
              SubApplicationEntityReader.java  (1 usage found)
                  59 import com.google.common.base.Preconditions;
          org.apache.hadoop.yarn.server.uam  (1 usage found)
              UnmanagedApplicationManager.java  (1 usage found)
                  72 import com.google.common.base.Preconditions;
          org.apache.hadoop.yarn.service  (2 usages found)
              ServiceContext.java  (1 usage found)
                  21 import com.google.common.base.Preconditions;
              ServiceManager.java  (1 usage found)
                  22 import com.google.common.base.Preconditions;
          org.apache.hadoop.yarn.service.client  (1 usage found)
              ApiServiceClient.java  (1 usage found)
                  33 import com.google.common.base.Preconditions;
          org.apache.hadoop.yarn.service.component  (2 usages found)
              Component.java  (1 usage found)
                  22 import com.google.common.base.Preconditions;
              ComponentEvent.java  (1 usage found)
                  21 import com.google.common.base.Preconditions;
          org.apache.hadoop.yarn.service.component.instance  (1 usage found)
              ComponentInstanceEvent.java  (1 usage found)
                  21 import com.google.common.base.Preconditions;
          org.apache.hadoop.yarn.service.containerlaunch  (4 usages found)
              AbstractLauncher.java  (1 usage found)
                  22 import com.google.common.base.Preconditions;
              CommandLineBuilder.java  (1 usage found)
                  21 import com.google.common.base.Preconditions;
              ContainerLaunchService.java  (1 usage found)
                  21 import com.google.common.base.Preconditions;
              JavaCommandLineBuilder.java  (1 usage found)
                  22 import com.google.common.base.Preconditions;
          org.apache.hadoop.yarn.service.provider  (1 usage found)
              ProviderService.java  (1 usage found)
                  21 import com.google.common.base.Preconditions;
          org.apache.hadoop.yarn.service.registry  (1 usage found)
              YarnRegistryViewForProviders.java  (1 usage found)
                  21 import com.google.common.base.Preconditions;
          org.apache.hadoop.yarn.service.utils  (6 usages found)
              ClientRegistryBinder.java  (1 usage found)
                  21 import com.google.common.base.Preconditions;
              ConfigHelper.java  (1 usage found)
                  21 import com.google.common.base.Preconditions;
              CoreFileSystem.java  (1 usage found)
                  21 import com.google.common.base.Preconditions;
              PublishedConfigurationOutputter.java  (1 usage found)
                  22 import com.google.common.base.Preconditions;
              ServiceApiUtil.java  (1 usage found)
                  23 import com.google.common.base.Preconditions;
              ServiceUtils.java  (1 usage found)
                  21 import com.google.common.base.Preconditions;
          org.apache.hadoop.yarn.util  (1 usage found)
              BoundedAppender.java  (1 usage found)
                  22 import com.google.common.base.Preconditions;
          org.apache.hadoop.yarn.webapp  (5 usages found)
              Dispatcher.java  (1 usage found)
                  21 import static com.google.common.base.Preconditions.checkState;
              Router.java  (2 usages found)
                  21 import static com.google.common.base.Preconditions.checkNotNull;
                  22 import static com.google.common.base.Preconditions.checkState;
              WebApp.java  (1 usage found)
                  21 import static com.google.common.base.Preconditions.checkNotNull;
              WebApps.java  (1 usage found)
                  21 import static com.google.common.base.Preconditions.checkNotNull;
          org.apache.hadoop.yarn.webapp.hamlet  (1 usage found)
              HamletImpl.java  (1 usage found)
                  22 import static com.google.common.base.Preconditions.*;
          org.apache.hadoop.yarn.webapp.hamlet2  (1 usage found)
              HamletImpl.java  (1 usage found)
                  22 import static com.google.common.base.Preconditions.*;
      
      

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              ahussein Ahmed Hussein
              ahussein Ahmed Hussein
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                Created:
                Updated: