/**
* JBoss, Home of Professional Open Source
* Copyright 2011, Red Hat, Inc. and/or its affiliates, and individual
* contributors by the @authors tag. See the copyright.txt in the
* distribution for a full listing of individual contributors.
*
* Licensed 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.jboss.seam.cron.queue.queuj;
import com.workplacesystems.queuj.Queue;
import com.workplacesystems.queuj.QueueBuilder;
import com.workplacesystems.queuj.QueueFactory;
import com.workplacesystems.queuj.process.QueujFactory;
import com.workplacesystems.queuj.process.java.JavaProcessBuilder;
import java.util.HashMap;
import javax.enterprise.inject.spi.BeanManager;
import javax.inject.Inject;
import org.jboss.seam.cron.impl.scheduling.exception.CronProviderDestructionException;
import org.jboss.seam.cron.impl.scheduling.exception.CronProviderInitialisationException;
import org.jboss.seam.cron.spi.CronProviderLifecycle;
import org.jboss.seam.cron.spi.queue.CronQueueProvider;
import org.jboss.seam.cron.spi.queue.RestrictDetail;
import org.jboss.solder.logging.Logger;
/**
* Queue provider allows properties to be set against Asyncrhonous and Scheduled
* methods. Currently only supports QueueRestrictions for managing concurrency.
*
* @author Dave Oxley
*/
public class QueuJQueueProvider implements CronProviderLifecycle, CronQueueProvider {
private static final Logger log = Logger.getLogger(QueuJQueueProvider.class);
@Inject
BeanManager beanManager;
private final HashMap<String,QueueBuilder> queueBuilders = new HashMap<String, QueueBuilder> ();
private final HashMap<String,Queue> queues = new HashMap<String, Queue> ();
/**
* Initialises the scheduler.
*
*/
public void initProvider() throws CronProviderInitialisationException {
try {
QueujFactory.getProcessServer((String)null);
} catch (Exception ex) {
throw new CronProviderInitialisationException("Error initializing QueuJ for asynchronous method invocation", ex);
}
}
/**
* Shutdown the scheduler on application close.
*/
public void destroyProvider() throws CronProviderDestructionException {
}
public void processAsynRestriction(RestrictDetail restrictDetail) {
QueueBuilder<JavaProcessBuilder> queueBuilder = QueueFactory.DEFAULT_QUEUE.newQueueBuilder();
queueBuilder.setQueueRestriction(new CronQueueRestriction(beanManager, restrictDetail));
queueBuilders.put(restrictDetail.getQueueId(), queueBuilder);
}
public void finaliseQueues() {
for (String queueId : queueBuilders.keySet()) {
QueueBuilder queueBuilder = queueBuilders.get(queueId);
queues.put(queueId, queueBuilder.newQueue());
}
queueBuilders.clear();
}
public Object getQueue(String queueId) {
return queues.get(queueId);
}
}