org.glassfish.jersey.client.ClientAsyncExecutorFactory Maven / Gradle / Ivy
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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();
}
};
}
}