[HADOOP-17099] Replace Guava Predicate with Java8+ Predicate

• Type: Sub-task
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 3.2.2, 3.3.1, 3.4.0
• Fix Version/s: 3.2.2, 3.3.1, 3.4.0
• Component/s: build
• Target Version/s: 3.2.2, 3.3.1, 3.4.0
• Hadoop Flags: Reviewed
• Assignee: Ahmed Hussein
• Reporter: Ahmed Hussein
• Created: 29/Jun/20 23:34
• Updated: 12/Feb/24 00:36
• Resolved: 15/Jul/20 17:21

Description

com.google.common.base.Predicate can be replaced with java.util.function.Predicate.
The change involving 9 occurrences is straightforward:

Targets
    Occurrences of 'com.google.common.base.Predicate' in project with mask '*.java'
Found Occurrences  (9 usages found)
    org.apache.hadoop.hdfs.server.blockmanagement  (1 usage found)
        CombinedHostFileManager.java  (1 usage found)
            43 import com.google.common.base.Predicate;
    org.apache.hadoop.hdfs.server.namenode  (1 usage found)
        NameNodeResourceChecker.java  (1 usage found)
            38 import com.google.common.base.Predicate;
    org.apache.hadoop.hdfs.server.namenode.snapshot  (1 usage found)
        Snapshot.java  (1 usage found)
            41 import com.google.common.base.Predicate;
    org.apache.hadoop.metrics2.impl  (2 usages found)
        MetricsRecords.java  (1 usage found)
            21 import com.google.common.base.Predicate;
        TestMetricsSystemImpl.java  (1 usage found)
            41 import com.google.common.base.Predicate;
    org.apache.hadoop.yarn.logaggregation  (1 usage found)
        AggregatedLogFormat.java  (1 usage found)
            77 import com.google.common.base.Predicate;
    org.apache.hadoop.yarn.logaggregation.filecontroller  (1 usage found)
        LogAggregationFileController.java  (1 usage found)
            22 import com.google.common.base.Predicate;
    org.apache.hadoop.yarn.logaggregation.filecontroller.ifile  (1 usage found)
        LogAggregationIndexedFileController.java  (1 usage found)
            22 import com.google.common.base.Predicate;
    org.apache.hadoop.yarn.server.nodemanager.containermanager.logaggregation  (1 usage found)
        AppLogAggregatorImpl.java  (1 usage found)
            75 import com.google.common.base.Predicate;

Issue Links

• is related to: HADOOP-17319 Update the checkstyle config to ban some guava functions