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.virtual;
  
  import jakarta.jms.InvalidSelectorException;
  import jakarta.jms.JMSException;
  
  import org.apache.activemq.command.ActiveMQDestination;
  import org.apache.activemq.filter.BooleanExpression;
  import org.apache.activemq.filter.MessageEvaluationContext;
  import org.apache.activemq.selector.SelectorParser;
  
  /**
   * Represents a destination which is filtered using some predicate such as a selector
   * so that messages are only dispatched to the destination if they match the filter.
   *
   * @org.apache.xbean.XBean
   *
   *
   */
  public class FilteredDestination {
  
      private ActiveMQDestination destination;
      private String selector;
      private BooleanExpression filter;
  
      public boolean matches(MessageEvaluationContext context) throws JMSException {
          BooleanExpression booleanExpression = getFilter();
          if (booleanExpression == null) {
              return false;
          }
          return booleanExpression.matches(context);
      }
  
      public ActiveMQDestination getDestination() {
          return destination;
      }
  
      /**
       * The destination to send messages to if they match the filter
       */
      public void setDestination(ActiveMQDestination destination) {
          this.destination = destination;
      }
  
      public String getSelector() {
          return selector;
      }
  
      /**
       * Sets the JMS selector used to filter messages before forwarding them to this destination
       */
      public void setSelector(String selector) throws InvalidSelectorException {
          this.selector = selector;
          setFilter(SelectorParser.parse(selector));
      }
  
      public BooleanExpression getFilter() {
          return filter;
      }
  
      public void setFilter(BooleanExpression filter) {
          this.filter = filter;
      }
  
  
      /**
       * Sets the destination property to the given queue name
       */
      public void setQueue(String queue) {
          setDestination(ActiveMQDestination.createDestination(queue, ActiveMQDestination.QUEUE_TYPE));
      }
  
      /**
       * Sets the destination property to the given topic name
       */
      public void setTopic(String topic) {
          setDestination(ActiveMQDestination.createDestination(topic, ActiveMQDestination.TOPIC_TYPE));
      }
  
      @Override
      public int hashCode() {
          final int prime = 31;
          int result = 1;
          result = prime * result + ((destination == null) ? 0 : destination.hashCode());
          result = prime * result + ((selector == null) ? 0 : selector.hashCode());
          return result;
      }
  
      @Override
      public boolean equals(Object obj) {
          if (this == obj)
              return true;
          if (obj == null)
              return false;
          if (getClass() != obj.getClass())
              return false;
          FilteredDestination other = (FilteredDestination) obj;
          if (destination == null) {
              if (other.destination != null)
                  return false;
          } else if (!destination.equals(other.destination))
              return false;
          if (selector == null) {
              if (other.selector != null)
                  return false;
          } else if (!selector.equals(other.selector))
              return false;
          return true;
      }
  }
  