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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_r31932048 --- 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>>(); + + vertices.remove(1); + vertices.remove(3); + vertices.remove(4); + + vertices.add(new Vertex<Long,Long>(6L,6L)); + + edges.remove(0); + edges.remove(2); + edges.remove(3); + edges.remove(4); + edges.remove(5); + edges.remove(6); --- End diff -- same for the edges > 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. -- This message was sent by Atlassian JIRA (v6.3.4#6332)