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Java example source code file (ToStringStyleConcurrencyTest.java)
The ToStringStyleConcurrencyTest.java Java example source code/* * 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.commons.lang3.builder; import java.util.ArrayList; import java.util.Collection; import java.util.LinkedList; import java.util.List; import java.util.concurrent.Callable; import java.util.concurrent.CopyOnWriteArrayList; import java.util.concurrent.ExecutionException; import java.util.concurrent.ExecutorService; import java.util.concurrent.Executors; import java.util.concurrent.Future; import java.util.concurrent.TimeUnit; import org.junit.Test; /** * Tests concurrent access for the default {@link ToStringStyle}. * <p> * The {@link ToStringStyle} class includes a registry to avoid infinite loops for objects with circular references. We * want to make sure that we do not get concurrency exceptions accessing this registry. * </p> * <p> * This test passes but only tests one aspect of the issue. * </p> * * @see <a href="https://issues.apache.org/jira/browse/LANG-762">[LANG-762] Handle or document ReflectionToStringBuilder * and ToStringBuilder for collections that are not thread safe</a> * @since 3.1 */ public class ToStringStyleConcurrencyTest { static class CollectionHolder<T extends Collection>> { T collection; CollectionHolder(final T collection) { this.collection = collection; } } private static final List<Integer> LIST; private static final int LIST_SIZE = 100000; private static final int REPEAT = 100; static { LIST = new ArrayList<Integer>(LIST_SIZE); for (int i = 0; i < LIST_SIZE; i++) { LIST.add(Integer.valueOf(i)); } } @Test public void testLinkedList() throws InterruptedException, ExecutionException { this.testConcurrency(new CollectionHolder<List Other Java examples (source code examples)Here is a short list of links related to this Java ToStringStyleConcurrencyTest.java source code file: |
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