| /* |
| * 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; |
| |
| /** |
| * Simple immutable structure for storing a final vertex and edge count. |
| */ |
| public class VertexEdgeCount { |
| /** Immutable vertices */ |
| private final long vertexCount; |
| /** Immutable edges */ |
| private final long edgeCount; |
| /** Immutable mappings */ |
| private final long mappingCount; |
| |
| /** |
| * Default constructor. |
| */ |
| public VertexEdgeCount() { |
| vertexCount = 0; |
| edgeCount = 0; |
| mappingCount = 0; |
| } |
| |
| /** |
| * Constructor with initial values. |
| * |
| * @param vertexCount Final number of vertices. |
| * @param edgeCount Final number of edges. |
| * @param mappingCount Final number of mappings. |
| */ |
| public VertexEdgeCount(long vertexCount, long edgeCount, long mappingCount) { |
| this.vertexCount = vertexCount; |
| this.edgeCount = edgeCount; |
| this.mappingCount = mappingCount; |
| } |
| |
| public long getVertexCount() { |
| return vertexCount; |
| } |
| |
| public long getEdgeCount() { |
| return edgeCount; |
| } |
| |
| public long getMappingCount() { |
| return mappingCount; |
| } |
| |
| /** |
| * Increment the both the vertex edge count with a {@link VertexEdgeCount}. |
| * |
| * @param vertexEdgeCount add both the vertices and edges of this object. |
| * @return New immutable object with the new vertex and edge counts. |
| */ |
| public VertexEdgeCount incrVertexEdgeCount( |
| VertexEdgeCount vertexEdgeCount) { |
| return new VertexEdgeCount( |
| vertexCount + vertexEdgeCount.getVertexCount(), |
| edgeCount + vertexEdgeCount.getEdgeCount(), |
| mappingCount + vertexEdgeCount.getMappingCount()); |
| } |
| |
| /** |
| * Increment the both the vertex edge count with primitives. |
| * |
| * @param vertexCount Add this many vertices. |
| * @param edgeCount Add this many edges. |
| * @return New immutable object with the new vertex and edge counts. |
| */ |
| public VertexEdgeCount incrVertexEdgeCount( |
| long vertexCount, long edgeCount) { |
| return new VertexEdgeCount( |
| this.vertexCount + vertexCount, |
| this.edgeCount + edgeCount, |
| this.mappingCount + mappingCount); |
| } |
| |
| @Override |
| public String toString() { |
| return "(v=" + getVertexCount() + ", e=" + getEdgeCount() + |
| (mappingCount > 0 ? ", m=" + mappingCount : "") + ")"; |
| } |
| } |