/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2012-2014 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* http://glassfish.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
package org.glassfish.jersey.client;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.ThreadFactory;
import java.util.logging.Logger;
import org.glassfish.jersey.client.internal.LocalizationMessages;
import org.glassfish.jersey.process.internal.RequestExecutorFactory;
import org.glassfish.jersey.spi.RequestExecutorProvider;
import org.glassfish.hk2.api.ServiceLocator;
import jersey.repackaged.com.google.common.util.concurrent.ThreadFactoryBuilder;
/**
* {@link org.glassfish.jersey.process.internal.RequestExecutorFactory Executors factory}
* used on the client side for asynchronous request processing.
*
* @author Miroslav Fuksa (miroslav.fuksa at oracle.com)
* @author Marek Potociar (marek.potociar at oracle.com)
*/
class ClientAsyncExecutorFactory extends RequestExecutorFactory {
private static final Logger LOGGER = Logger.getLogger(ClientAsyncExecutorFactory.class.getName());
/**
* Creates a new instance.
*
* @param locator HK2 service locator.
* @param defaultThreadPoolSize size of the default executor thread pool (if used).
* Zero or negative values are ignored and a
* {@link java.util.concurrent.Executors#newCachedThreadPool() cached thread pool}
* is created in such case instead.
*/
public ClientAsyncExecutorFactory(final ServiceLocator locator, final int defaultThreadPoolSize) {
super(locator, defaultThreadPoolSize);
}
@Override
protected RequestExecutorProvider getDefaultProvider(final Object... initArgs) {
return new RequestExecutorProvider() {
@Override
public ExecutorService getRequestingExecutor() {
int poolSize = 0;
if (initArgs != null && initArgs.length > 0 && initArgs[0] instanceof Integer) {
poolSize = (Integer)initArgs[0];
if (poolSize <= 0) {
LOGGER.config(LocalizationMessages.IGNORED_ASYNC_THREADPOOL_SIZE(poolSize));
}
}
final ThreadFactory threadFactory = new ThreadFactoryBuilder()
.setNameFormat("jersey-client-async-executor-%d")
.build();
if (poolSize > 0) {
LOGGER.config(LocalizationMessages.USING_FIXED_ASYNC_THREADPOOL(poolSize));
return Executors.newFixedThreadPool(poolSize, threadFactory);
} else {
return Executors.newCachedThreadPool(threadFactory);
}
}
@Override
public void releaseRequestingExecutor(final ExecutorService executor) {
executor.shutdownNow();
}
};
}
}