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https://issues.apache.org/jira/browse/FLINK-2093?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14577418#comment-14577418
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ASF GitHub Bot commented on FLINK-2093:
---------------------------------------
Github user andralungu commented on a diff in the pull request:
https://github.com/apache/flink/pull/807#discussion_r31932002
--- Diff:
flink-staging/flink-gelly/src/test/java/org/apache/flink/graph/test/operations/GraphOperationsITCase.java
---
@@ -266,6 +266,47 @@ public void testUnion() throws Exception {
"6,1,61\n";
}
+ @Test
+ public void testDifference() throws Exception {
+ /*
+ * Test difference()
+ */
+ final ExecutionEnvironment env =
ExecutionEnvironment.getExecutionEnvironment();
+
+ Graph<Long, Long, Long> graph =
Graph.fromDataSet(TestGraphUtils.getLongLongVertexData(env),
+ TestGraphUtils.getLongLongEdgeData(env), env);
+
+ List<Vertex<Long, Long>> vertices = new ArrayList<Vertex<Long,
Long>>();
+ List<Edge<Long, Long>> edges = new ArrayList<Edge<Long, Long>>();
--- End diff --
I would put these in TestGraphUtils, one remove is fine, but three can make
the code a bit difficult to read :)
> Add a difference method to Gelly's Graph class
> ----------------------------------------------
>
> Key: FLINK-2093
> URL: https://issues.apache.org/jira/browse/FLINK-2093
> Project: Flink
> Issue Type: New Feature
> Components: Gelly
> Affects Versions: 0.9
> Reporter: Andra Lungu
> Assignee: Shivani Ghatge
> Priority: Minor
>
> This method will compute the difference between two graphs, returning a new
> graph containing the vertices and edges that the current graph and the input
> graph don't have in common.
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