org.killbill.billing.jaxrs.JaxrsExecutors Maven / Gradle / Ivy
/*
* Copyright 2014-2015 Groupon, Inc
* Copyright 2014-2015 The Billing Project, LLC
*
* The Billing Project 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.killbill.billing.jaxrs;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.ThreadFactory;
import java.util.concurrent.TimeUnit;
import javax.inject.Inject;
import org.killbill.billing.util.config.definition.JaxrsConfig;
import org.killbill.commons.concurrent.WithProfilingThreadPoolExecutor;
public class JaxrsExecutors {
private static final long TIMEOUT_EXECUTOR_SEC = 3L;
private static final String JAXRS_THREAD_PREFIX = "jaxrs-th-";
private static final String JAXRS_TH_GROUP_NAME = "jaxrs-grp";
private final JaxrsConfig JaxrsConfig;
private volatile ExecutorService jaxrsExecutorService;
@Inject
public JaxrsExecutors(JaxrsConfig JaxrsConfig) {
this.JaxrsConfig = JaxrsConfig;
}
public void initialize() {
this.jaxrsExecutorService = createJaxrsExecutorService();
}
public void stop() throws InterruptedException {
jaxrsExecutorService.shutdownNow();
jaxrsExecutorService.awaitTermination(TIMEOUT_EXECUTOR_SEC, TimeUnit.SECONDS);
jaxrsExecutorService = null;
}
public ExecutorService getJaxrsExecutorService() {
return jaxrsExecutorService;
}
private ExecutorService createJaxrsExecutorService() {
return new WithProfilingThreadPoolExecutor(JaxrsConfig.getJaxrsThreadNb(),
JaxrsConfig.getJaxrsThreadNb(),
0L,
TimeUnit.MILLISECONDS,
new LinkedBlockingQueue(),
new ThreadFactory() {
@Override
public Thread newThread(final Runnable r) {
final Thread th = new Thread(new ThreadGroup(JAXRS_TH_GROUP_NAME), r);
th.setName(JAXRS_THREAD_PREFIX + th.getId());
return th;
}
});
}
}