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From balidani <...@git.apache.org>
Subject [GitHub] flink pull request: [FLINK-1514][Gelly] Add a Gather-Sum-Apply ite...
Date Tue, 24 Feb 2015 14:29:10 GMT
Github user balidani commented on a diff in the pull request:

    --- Diff: flink-staging/flink-gelly/src/main/java/org/apache/flink/graph/example/GSASingleSourceShortestPathsExample.java
    @@ -0,0 +1,232 @@
    + * 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.example;
    +import org.apache.flink.api.common.ProgramDescription;
    +import org.apache.flink.api.common.functions.MapFunction;
    +import org.apache.flink.api.java.DataSet;
    +import org.apache.flink.api.java.ExecutionEnvironment;
    +import org.apache.flink.api.java.tuple.Tuple2;
    +import org.apache.flink.api.java.tuple.Tuple3;
    +import org.apache.flink.graph.Edge;
    +import org.apache.flink.graph.Graph;
    +import org.apache.flink.graph.GraphAlgorithm;
    +import org.apache.flink.graph.Vertex;
    +import org.apache.flink.graph.example.utils.ExampleUtils;
    +import org.apache.flink.graph.gsa.ApplyFunction;
    +import org.apache.flink.graph.gsa.GatherFunction;
    +import org.apache.flink.graph.gsa.GatherSumApplyIteration;
    +import org.apache.flink.graph.gsa.SumFunction;
    +import org.apache.flink.util.Collector;
    +import java.io.Serializable;
    + * This is an implementation of the Single Source Shortest Paths algorithm, using a gather-sum-apply
    + */
    +public class GSASingleSourceShortestPathsExample implements ProgramDescription, GraphAlgorithm<Long,
Double, Double> {
    --- End diff --
    Makes sense, I was blindly copying this part and didn't realize it's not really needed

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