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ASF GitHub Bot commented on FLINK-1514: --------------------------------------- Github user vasia commented on a diff in the pull request: https://github.com/apache/flink/pull/408#discussion_r25389899 --- Diff: flink-staging/flink-gelly/src/main/java/org/apache/flink/graph/gsa/Triplet.java --- @@ -0,0 +1,45 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.apache.flink.graph.gsa; + +import org.apache.flink.api.java.tuple.Tuple3; + +import java.io.Serializable; + --- End diff -- can you add a short description for this class? > [Gelly] Add a Gather-Sum-Apply iteration method > ----------------------------------------------- > > Key: FLINK-1514 > URL: https://issues.apache.org/jira/browse/FLINK-1514 > Project: Flink > Issue Type: New Feature > Components: Gelly > Affects Versions: 0.9 > Reporter: Vasia Kalavri > Assignee: Daniel Bali > > This will be a method that implements the GAS computation model, but without > the "scatter" step. The phases can be mapped into the following steps inside > a delta iteration: > gather: a map on each < srcVertex, edge, trgVertex > that produces a partial > value > sum: a reduce that combines the partial values > apply: join with vertex set to update the vertex values using the results of > sum and the previous state. -- This message was sent by Atlassian JIRA (v6.3.4#6332)