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    1   /**
    2    * Licensed to the Apache Software Foundation (ASF) under one or more
    3    * contributor license agreements.  See the NOTICE file distributed with
    4    * this work for additional information regarding copyright ownership.
    5    * The ASF licenses this file to You under the Apache License, Version 2.0
    6    * (the "License"); you may not use this file except in compliance with
    7    * the License.  You may obtain a copy of the License at
    8    *
    9    *      http://www.apache.org/licenses/LICENSE-2.0
   10    *
   11    * Unless required by applicable law or agreed to in writing, software
   12    * distributed under the License is distributed on an "AS IS" BASIS,
   13    * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   14    * See the License for the specific language governing permissions and
   15    * limitations under the License.
   16    */
   17   package org.apache.activemq.broker.region.policy;
   18   
   19   import org.apache.activemq.broker.region.MessageReference;
   20   import org.apache.activemq.broker.region.Subscription;
   21   
   22   /**
   23    * Determines if a subscription can dispatch a message reference
   24    *
   25    */
   26   public interface DispatchSelector {
   27      
   28      
   29       /**
   30        * return true if a subscription can dispatch a message reference
   31        * @param subscription
   32        * @param node
   33        * @return true if can dispatch
   34        * @throws Exception 
   35        */
   36       
   37       boolean canDispatch(Subscription subscription, MessageReference node) throws Exception;
   38   }

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