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.plugin;
  
  import static org.apache.activemq.plugin.SubQueueSelectorCacheBroker.MAX_PERSIST_INTERVAL;
  
  import java.io.File;
  
  import org.apache.activemq.broker.Broker;
  import org.apache.activemq.broker.BrokerPlugin;
  
  /**
   * A plugin which allows the caching of the selector from a subscription queue.
   * <p/>
   * This stops the build-up of unwanted messages, especially when consumers may
   * disconnect from time to time when using virtual destinations.
   * <p/>
   * This is influenced by code snippets developed by Maciej Rakowicz
   *
   * @org.apache.xbean.XBean element="virtualSelectorCacheBrokerPlugin"
   */
  public class SubQueueSelectorCacheBrokerPlugin implements BrokerPlugin {
  
  
      private File persistFile;
      private boolean singleSelectorPerDestination = false;
      private boolean ignoreWildcardSelectors = false;
      private long persistInterval = MAX_PERSIST_INTERVAL;
  
      @Override
      public Broker installPlugin(Broker broker) throws Exception {
          SubQueueSelectorCacheBroker rc = new SubQueueSelectorCacheBroker(broker, persistFile);
          rc.setSingleSelectorPerDestination(singleSelectorPerDestination);
          rc.setPersistInterval(persistInterval);
          rc.setIgnoreWildcardSelectors(ignoreWildcardSelectors);
          return rc;
      }
  
      /**
       * Sets the location of the persistent cache
       */
      public void setPersistFile(File persistFile) {
          this.persistFile = persistFile;
      }
  
      public File getPersistFile() {
          return persistFile;
      }
  
      public boolean isSingleSelectorPerDestination() {
          return singleSelectorPerDestination;
      }
  
      public void setSingleSelectorPerDestination(boolean singleSelectorPerDestination) {
          this.singleSelectorPerDestination = singleSelectorPerDestination;
      }
  
      public long getPersistInterval() {
          return persistInterval;
      }
  
      public void setPersistInterval(long persistInterval) {
          this.persistInterval = persistInterval;
      }
  
      public boolean isIgnoreWildcardSelectors() {
          return ignoreWildcardSelectors;
      }
  
      public void setIgnoreWildcardSelectors(boolean ignoreWildcardSelectors) {
          this.ignoreWildcardSelectors = ignoreWildcardSelectors;
      }
  }
  