[HDFS-5908] Change AclFeature to capture list of ACL entries in an ImmutableList.

• Type: Improvement
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 3.0.0-alpha1
• Fix Version/s: 2.4.0
• Component/s: namenode
• Hadoop Flags: Reviewed
• Assignee: Chris Nauroth
• Reporter: Chris Nauroth
• Created: 07/Feb/14 19:16
• Updated: 12/May/16 18:12
• Resolved: 26/Feb/14 16:23

Description

After an AclFeature has been attached to an inode, its ACL entries must be immutable. We can enforce this in the type system more strongly by storing the entries in an ImmutableList and changing the getter to return that type instead of raw List.

Issue Links

• relates to: HDFS-4685 Implementation of ACLs in HDFS