| /* |
| * 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.giraph.graph; |
| |
| import org.apache.hadoop.mapreduce.Mapper; |
| |
| /** |
| * Immutable global state of the graph. |
| */ |
| public class GraphState { |
| /** Graph-wide superstep */ |
| private final long superstep; |
| /** Graph-wide number of vertices */ |
| private final long numVertices; |
| /** Graph-wide number of edges */ |
| private final long numEdges; |
| /** Graph-wide map context */ |
| private final Mapper<?, ?, ?, ?>.Context context; |
| |
| /** |
| * Constructor |
| * |
| * @param superstep Current superstep |
| * @param numVertices Current graph-wide vertices |
| * @param numEdges Current graph-wide edges |
| * @param context Context |
| * |
| */ |
| public GraphState(long superstep, long numVertices, long numEdges, |
| Mapper<?, ?, ?, ?>.Context context) { |
| this.superstep = superstep; |
| this.numVertices = numVertices; |
| this.numEdges = numEdges; |
| this.context = context; |
| } |
| |
| public long getSuperstep() { |
| return superstep; |
| } |
| |
| public long getTotalNumVertices() { |
| return numVertices; |
| } |
| |
| public long getTotalNumEdges() { |
| return numEdges; |
| } |
| |
| public Mapper.Context getContext() { |
| return context; |
| } |
| |
| @Override |
| public String toString() { |
| return "(superstep=" + superstep + ",numVertices=" + numVertices + "," + |
| "numEdges=" + numEdges + ",context=" + context + ")"; |
| } |
| } |