/*
* 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.openejb.resource.thread;
import org.apache.openejb.threads.impl.ManagedExecutorServiceImpl;
import org.apache.openejb.threads.impl.ManagedThreadFactoryImpl;
import org.apache.openejb.threads.reject.CURejectHandler;
import org.apache.openejb.util.Duration;
import org.apache.openejb.util.LogCategory;
import org.apache.openejb.util.Logger;
import javax.enterprise.concurrent.ManagedThreadFactory;
import java.util.concurrent.ArrayBlockingQueue;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.ThreadPoolExecutor;
public class ManagedExecutorServiceImplFactory {
private int core = 5;
private int max = 25;
private Duration keepAlive = new Duration("5 second");
private int queue = 15;
private String threadFactory;
public ManagedExecutorServiceImpl create() {
return new ManagedExecutorServiceImpl(createExecutorService());
}
private ExecutorService createExecutorService() {
final BlockingQueue<Runnable> blockingQueue;
if (queue <= 0) {
blockingQueue = new LinkedBlockingQueue<Runnable>();
} else {
blockingQueue = new ArrayBlockingQueue<Runnable>(queue);
}
ManagedThreadFactory managedThreadFactory;
try {
managedThreadFactory = ManagedThreadFactory.class.cast(Thread.currentThread().getContextClassLoader().loadClass(threadFactory).newInstance());
} catch (final Exception e) {
Logger.getInstance(LogCategory.OPENEJB, ManagedExecutorServiceImplFactory.class).warning("Can't create configured thread factory: " + threadFactory, e);
managedThreadFactory = new ManagedThreadFactoryImpl();
}
return new ThreadPoolExecutor(core, max, keepAlive.getTime(), keepAlive.getUnit(), blockingQueue, managedThreadFactory, CURejectHandler.INSTANCE);
}
public void setCore(final int core) {
this.core = core;
}
public void setMax(final int max) {
this.max = max;
}
public void setKeepAlive(final Duration keepAlive) {
this.keepAlive = keepAlive;
}
public void setQueue(final int queue) {
this.queue = queue;
}
public void setThreadFactory(final String threadFactory) {
this.threadFactory = threadFactory;
}
}