[FLINK-5152] accepting NullValue for EV in Gelly examples

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Not A Problem
• Affects Version/s: 1.1.3
• Fix Version/s: 1.1.3
• Component/s: Library / Graph Processing
• Assignee: Unassigned
• Reporter: wouter ligtenberg
• Created: 24/Nov/16 09:05
• Updated: 24/Nov/16 09:21
• Resolved: 24/Nov/16 09:21

Description

In this gelly example [1] an EdgeValue of Double is required but never used, wouldn't it be better to change this into a NullValue? I create a lot of data without Edge Values and it seems to me that it's more efficient

I'd like to hear your thoughts on this

[1] https://github.com/apache/flink/blob/master/flink-libraries/flink-gelly-examples/src/main/java/org/apache/flink/graph/examples/SingleSourceShortestPaths.java