| package org.apache.commons.graph; |
| |
| /* |
| * 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. |
| */ |
| |
| |
| /** |
| * A synchronized (thread-safe) {@link Graph} backed by the specified Graph. |
| */ |
| final class SynchronizedMutableGraph<V, E> |
| extends SynchronizedGraph<V, E> |
| implements MutableGraph<V, E> |
| { |
| |
| private static final long serialVersionUID = -5985121601939852063L; |
| |
| private final MutableGraph<V, E> mutableGraph; |
| |
| /** |
| * Creates a new thread-safe instence of {@link SynchronizedMutableGraph}. |
| * @param g The {@link Graph} that has to be synchronized |
| */ |
| public SynchronizedMutableGraph( MutableGraph<V, E> g ) |
| { |
| super( g ); |
| this.mutableGraph = g; |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public void addVertex( V v ) |
| { |
| synchronized ( lock ) |
| { |
| mutableGraph.addVertex( v ); |
| } |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public void removeVertex( V v ) |
| { |
| synchronized ( lock ) |
| { |
| mutableGraph.removeVertex( v ); |
| } |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public void addEdge( V head, E e, V tail ) |
| { |
| synchronized ( lock ) |
| { |
| mutableGraph.addEdge( head, e, tail ); |
| } |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public void removeEdge( E e ) |
| { |
| synchronized ( lock ) |
| { |
| mutableGraph.removeEdge( e ); |
| } |
| } |
| |
| } |