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.jmx;
  
  import org.apache.activemq.broker.region.DurableTopicSubscription;
  import org.apache.activemq.broker.region.TopicSubscription;
  
  /**
   *
   *
   */
  public class TopicSubscriptionView extends SubscriptionView implements TopicSubscriptionViewMBean {
  
      public TopicSubscriptionView(String clientId, String userName, TopicSubscription subs) {
          super(clientId, userName, subs);
      }
  
      protected TopicSubscription getTopicSubscription() {
          return (TopicSubscription)subscription;
      }
  
      /**
       * @return the number of messages discarded due to being a slow consumer
       */
      public int getDiscardedCount() {
          TopicSubscription topicSubscription = getTopicSubscription();
          return topicSubscription != null ? topicSubscription.discarded() : 0;
      }
  
      /**
       * @return the maximun number of messages that can be pending.
       */
      public int getMaximumPendingQueueSize() {
          TopicSubscription topicSubscription = getTopicSubscription();
          return topicSubscription != null ? topicSubscription.getMaximumPendingMessages() : 0;
      }
  
      /**
       *
       */
      public void setMaximumPendingQueueSize(int max) {
          TopicSubscription topicSubscription = getTopicSubscription();
          if (topicSubscription != null) {
              topicSubscription.setMaximumPendingMessages(max);
          }
      }
  
      @Override
      public boolean isActive() {
          if (subscription instanceof DurableTopicSubscription) {
              return ((DurableTopicSubscription)subscription).isActive();
          } else {
              return super.isActive();
          }
      }
  
  
  
  }
  