/*
* 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.examples.data;
import org.apache.flink.api.java.DataSet;
import org.apache.flink.api.java.ExecutionEnvironment;
import org.apache.flink.graph.Edge;
import org.apache.flink.graph.Vertex;
import java.util.ArrayList;
import java.util.List;
/**
* Provides the default data sets used for the IncrementalSSSP example program.
* If no parameters are given to the program, the default data sets are used.
*/
public class IncrementalSSSPData {
public static final int NUM_VERTICES = 5;
public static final String VERTICES = "1,6.0\n" + "2,2.0\n" + "3,3.0\n" + "4,1.0\n" + "5,0.0";
public static DataSet<Vertex<Long, Double>> getDefaultVertexDataSet(ExecutionEnvironment env) {
List<Vertex<Long, Double>> vertices = new ArrayList<Vertex<Long, Double>>();
vertices.add(new Vertex<Long, Double>(1L, 6.0));
vertices.add(new Vertex<Long, Double>(2L, 2.0));
vertices.add(new Vertex<Long, Double>(3L, 3.0));
vertices.add(new Vertex<Long, Double>(4L, 1.0));
vertices.add(new Vertex<Long, Double>(5L, 0.0));
return env.fromCollection(vertices);
}
public static final String EDGES = "1,3,3.0\n" + "2,4,3.0\n" + "2,5,2.0\n" + "3,2,1.0\n" + "3,5,5.0\n" +
"4,5,1.0";
public static final DataSet<Edge<Long, Double>> getDefaultEdgeDataSet(ExecutionEnvironment env) {
List<Edge<Long, Double>> edges = new ArrayList<Edge<Long, Double>>();
edges.add(new Edge<Long, Double>(1L, 3L, 3.0));
edges.add(new Edge<Long, Double>(2L, 4L, 3.0));
edges.add(new Edge<Long, Double>(2L, 5L, 2.0));
edges.add(new Edge<Long, Double>(3L, 2L, 1.0));
edges.add(new Edge<Long, Double>(3L, 5L, 5.0));
edges.add(new Edge<Long, Double>(4L, 5L, 1.0));
return env.fromCollection(edges);
}
public static final String EDGES_IN_SSSP = "1,3,3.0\n" + "2,5,2.0\n" + "3,2,1.0\n" + "4,5,1.0";
public static final DataSet<Edge<Long, Double>> getDefaultEdgesInSSSP(ExecutionEnvironment env) {
List<Edge<Long, Double>> edges = new ArrayList<Edge<Long, Double>>();
edges.add(new Edge<Long, Double>(1L, 3L, 3.0));
edges.add(new Edge<Long, Double>(2L, 5L, 2.0));
edges.add(new Edge<Long, Double>(3L, 2L, 1.0));
edges.add(new Edge<Long, Double>(4L, 5L, 1.0));
return env.fromCollection(edges);
}
public static final String SRC_EDGE_TO_BE_REMOVED = "2";
public static final String TRG_EDGE_TO_BE_REMOVED = "5";
public static final String VAL_EDGE_TO_BE_REMOVED = "2.0";
public static final Edge<Long, Double> getDefaultEdgeToBeRemoved() {
return new Edge<Long, Double>(2L, 5L, 2.0);
}
public static final String RESULTED_VERTICES = "1," + Double.MAX_VALUE + "\n" + "2," + Double.MAX_VALUE+ "\n"
+ "3," + Double.MAX_VALUE + "\n" + "4,1.0\n" + "5,0.0";
private IncrementalSSSPData() {}
}