/**
* 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.policy;
import java.util.Iterator;
import java.util.List;
import org.apache.activemq.broker.region.MessageReference;
import org.apache.activemq.broker.region.Subscription;
import org.apache.activemq.filter.MessageEvaluationContext;
/**
* Simple dispatch policy that sends a message to every subscription that
* matches the message.
*
* @org.apache.xbean.XBean
* @version $Revision$
*/
public class SimpleDispatchPolicy implements DispatchPolicy {
public boolean dispatch(MessageReference node, MessageEvaluationContext msgContext, List consumers) throws Exception {
int count = 0;
for (Iterator iter = consumers.iterator(); iter.hasNext();) {
Subscription sub = (Subscription)iter.next();
// Don't deliver to browsers
if (sub.getConsumerInfo().isBrowser()) {
continue;
}
// Only dispatch to interested subscriptions
if (!sub.matches(node, msgContext)) {
continue;
}
sub.add(node);
count++;
}
return count > 0;
}
}