| /* |
| * Copyright 2009-2013 by The Regents of the University of California |
| * Licensed 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 from |
| * |
| * 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 edu.uci.ics.pregelix.api.graph; |
| |
| import org.apache.hadoop.mapreduce.TaskAttemptContext; |
| |
| /** |
| * The vertex context contains global states like superstep, the number of vertices, the number of edges |
| */ |
| public class VertexContext { |
| |
| private long superstep = 1; |
| private long numVertices = 0; |
| private long numEdges = 0; |
| private TaskAttemptContext context; |
| |
| public VertexContext() { |
| } |
| |
| public long getSuperstep() { |
| return superstep; |
| } |
| |
| public long getNumVertices() { |
| return numVertices; |
| } |
| |
| public long getNumEdges() { |
| return numEdges; |
| } |
| |
| public TaskAttemptContext getContext() { |
| if (context == null) { |
| throw new IllegalStateException("Job context has not been set."); |
| } |
| return context; |
| } |
| |
| public void setSuperstep(long superstep) { |
| this.superstep = superstep; |
| } |
| |
| public void setContext(TaskAttemptContext context) { |
| if (context == null) { |
| throw new IllegalStateException("Do not set null job context."); |
| } |
| this.context = context; |
| } |
| |
| public void setNumEdges(long numEdges) { |
| this.numEdges = numEdges; |
| } |
| |
| public void setNumVertices(long numVertices) { |
| this.numVertices = numVertices; |
| } |
| |
| } |