/**
*
* Copyright 2005 LogicBlaze, Inc. http://www.logicblaze.com
*
* 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.servicemix.jbi.framework;
import edu.emory.mathcs.backport.java.util.concurrent.ConcurrentHashMap;
import org.servicemix.jbi.container.SubscriptionSpec;
import org.servicemix.jbi.messaging.MessageExchangeImpl;
import org.servicemix.jbi.servicedesc.InternalEndpoint;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
/**
* Maintains a registry of the applicable subscriptions currently active for the
* current components
*
* @version $Revision: 708 $
*/
public class SubscriptionRegistry {
private Map subscriptions = new ConcurrentHashMap();
private Registry registry;
public void init(Registry registry) {
this.registry = registry;
}
/**
* @param subscription
* @param endpoint
*/
public void registerSubscription(SubscriptionSpec subscription, InternalEndpoint endpoint) {
subscriptions.put(subscription, endpoint);
}
/**
* @param subscription
* @return the ServiceEndpoint
*/
public InternalEndpoint deregisterSubscription(SubscriptionSpec subscription) {
return (InternalEndpoint) subscriptions.remove(subscription);
}
/**
* @param exchange
* @return a List of matching endpoints - can return null if no matches
*/
public List getMatchingSubscriptionEndpoints(MessageExchangeImpl exchange) {
List result = null;
for (Iterator iter = subscriptions.entrySet().iterator(); iter.hasNext();) {
Map.Entry entry = (Map.Entry) iter.next();
SubscriptionSpec subscription = (SubscriptionSpec) entry.getKey();
if (subscription.matches(registry,exchange)) {
if (result == null) {
result = new ArrayList();
}
InternalEndpoint endpoint = (InternalEndpoint) entry.getValue();
result.add(endpoint);
}
}
return result;
}
}