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Java example source code file (ConcurrentInitializer.java)
The ConcurrentInitializer.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.concurrent; /** * <p> * Definition of an interface for the thread-safe initialization of objects. * </p> * <p> * The idea behind this interface is to provide access to an object in a * thread-safe manner. A {@code ConcurrentInitializer} can be passed to multiple * threads which can all access the object produced by the initializer. Through * the {@link #get()} method the object can be queried. * </p> * <p> * Concrete implementations of this interface will use different strategies for * the creation of the managed object, e.g. lazy initialization or * initialization in a background thread. This is completely transparent to * client code, so it is possible to change the initialization strategy without * affecting clients. * </p> * * @since 3.0 * @param <T> the type of the object managed by this initializer class */ public interface ConcurrentInitializer<T> { /** * Returns the fully initialized object produced by this {@code * ConcurrentInitializer}. A concrete implementation here returns the * results of the initialization process. This method may block until * results are available. Typically, once created the result object is * always the same. * * @return the object created by this {@code ConcurrentException} * @throws ConcurrentException if an error occurred during initialization of * the object */ T get() throws ConcurrentException; } Other Java examples (source code examples)Here is a short list of links related to this Java ConcurrentInitializer.java source code file: |
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