/**
* 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
* <p/>
* http://www.apache.org/licenses/LICENSE-2.0
* <p/>
* 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.superbiz.async;
import javax.ejb.AccessTimeout;
import javax.ejb.AsyncResult;
import javax.ejb.Asynchronous;
import javax.ejb.Lock;
import javax.ejb.Singleton;
import java.util.concurrent.Future;
import static java.util.concurrent.TimeUnit.SECONDS;
import static javax.ejb.LockType.READ;
/**
* @version $Revision$ $Date$
*/
@Singleton
public class JobProcessor {
@Asynchronous
@Lock(READ)
@AccessTimeout(-1)
public Future<String> addJob(String jobName) {
// Pretend this job takes a while
doSomeHeavyLifting();
// Return our result
return new AsyncResult<String>(jobName);
}
private void doSomeHeavyLifting() {
try {
Thread.sleep(SECONDS.toMillis(10));
} catch (InterruptedException e) {
Thread.interrupted();
throw new IllegalStateException(e);
}
}
}