content: /**
   * 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.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
   * 
   */
  public class SimpleDispatchPolicy implements DispatchPolicy {
  
      public boolean dispatch(MessageReference node, MessageEvaluationContext msgContext, List<Subscription> consumers)
              throws Exception {
  
          int count = 0;
          for (Subscription sub : consumers) {
              // Don't deliver to browsers
              if (sub.getConsumerInfo().isBrowser()) {
                  continue;
              }
              // Only dispatch to interested subscriptions
              if (!sub.matches(node, msgContext)) {
                  sub.unmatched(node);
                  continue;
              }
  
              sub.add(node);
              count++;
          }
  
          return count > 0;
      }
  
  }
  