/**
* 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.activemq.broker.region;
import javax.jms.InvalidSelectorException;
import javax.jms.JMSException;
import org.apache.activemq.broker.ConnectionContext;
import org.apache.activemq.command.ActiveMQDestination;
import org.apache.activemq.command.ActiveMQTempDestination;
import org.apache.activemq.command.ConsumerInfo;
import org.apache.activemq.thread.TaskRunnerFactory;
import org.apache.activemq.usage.SystemUsage;
/**
* @version $Revision: 1.7 $
*/
public class TempQueueRegion extends AbstractRegion {
public TempQueueRegion(RegionBroker broker, DestinationStatistics destinationStatistics, SystemUsage memoryManager, TaskRunnerFactory taskRunnerFactory,
DestinationFactory destinationFactory) {
super(broker, destinationStatistics, memoryManager, taskRunnerFactory, destinationFactory);
// We should allow the following to be configurable via a Destination
// Policy
// setAutoCreateDestinations(false);
}
protected Destination createDestination(ConnectionContext context, ActiveMQDestination destination) throws Exception {
final ActiveMQTempDestination tempDest = (ActiveMQTempDestination)destination;
return new Queue(broker.getRoot(), destination, usageManager, null, destinationStatistics, taskRunnerFactory, null) {
public void addSubscription(ConnectionContext context, Subscription sub) throws Exception {
// Only consumers on the same connection can consume from
// the temporary destination
if (!context.isNetworkConnection() && !tempDest.getConnectionId().equals(sub.getConsumerInfo().getConsumerId().getConnectionId())) {
throw new JMSException("Cannot subscribe to remote temporary destination: " + tempDest);
}
super.addSubscription(context, sub);
};
};
}
protected Subscription createSubscription(ConnectionContext context, ConsumerInfo info) throws InvalidSelectorException {
if (info.isBrowser()) {
return new QueueBrowserSubscription(broker,usageManager,context, info);
} else {
return new QueueSubscription(broker, usageManager,context, info);
}
}
public String toString() {
return "TempQueueRegion: destinations=" + destinations.size() + ", subscriptions=" + subscriptions.size() + ", memory=" + usageManager.getMemoryUsage().getPercentUsage() + "%";
}
public void removeDestination(ConnectionContext context, ActiveMQDestination destination, long timeout) throws Exception {
// Force a timeout value so that we don't get an error that
// there is still an active sub. Temp destination may be removed
// while a network sub is still active which is valid.
if (timeout == 0) {
timeout = 1;
}
super.removeDestination(context, destination, timeout);
}
}