[HDFS-8133] Improve readability of deleted block check

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.0.0-alpha
• Fix Version/s: 2.8.0, 3.0.0-alpha1
• Component/s: namenode
• Target Version/s: 2.8.0
• Assignee: Daryn Sharp
• Reporter: Daryn Sharp
• Created: 13/Apr/15 16:11
• Updated: 30/Aug/16 01:36
• Resolved: 21/Apr/15 19:06

Description

The current means of checking if a block is deleted is checking if its block collection is null. A more readable approach is an isDeleted method.