[HBASE-12970] Annotate methods and parameters with @Nullable/@Nonnull

• Type: Improvement
• Status: Closed
• Priority: Minor
• Resolution: Not A Problem
• Assignee: Unassigned
• Reporter: Andrey Stepachev
• Created: 04/Feb/15 11:24
• Updated: 23/Jun/22 20:02
• Resolved: 23/Jun/22 20:02

Description

We have many bugs with NPE. But current IDE allows us to see that null is possible as return value. findbugs can handle that too.
So we need to:
1. annotate methods with null/nonnull
2. force annotation of interfaces (and even better - classes) with @Nullable/@Nonnull annotations