[FLINK-3138] Method References are not supported as lambda expressions

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.10.2
• Fix Version/s: 1.0.0, 1.2.0
• Assignee: Timo Walther
• Reporter: Stephan Ewen
• Created: 07/Dec/15 22:09
• Updated: 28/Feb/19 13:21
• Resolved: 08/Aug/16 09:19

Description

For many functions (here for example KeySelectors), one can use lambda expressions:

DataStream<MyType> stream = ...;
stream.keyBy( v -> v.getId() )

Java's other syntax for this, Method References, do not work:

DataStream<MyType> stream = ...;
stream.keyBy( MyType::getId )

Issue Links

• links to: GitHub Pull Request #2329