/*** 
    * 
    * Copyright 2004 Protique Ltd
    * 
    * Licensed 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.codehaus.activemq.broker;
  
  import org.codehaus.activemq.message.ActiveMQMessage;
  import org.codehaus.activemq.transport.TransportChannel;
  
  import javax.jms.JMSException;
  import java.util.ArrayList;
  import java.util.List;
  
  
  /***
   * A mock dispatcher for testing
   *
   * @version $Revision: 1.3 $
   */
  public class BrokerClientStub implements BrokerClient {
  
      private List messages = new ArrayList();
      private Object semaphore;
  
      public BrokerClientStub() {
          this(new Object());
      }
  
      public BrokerClientStub(Object semaphore) {
          this.semaphore = semaphore;
      }
  
      /***
       * @return all the messages on the list so far, clearing the buffer
       */
      public synchronized List flushMessages() {
          List answer = new ArrayList(messages);
          messages.clear();
          return answer;
      }
  
      public synchronized void dispatch(ActiveMQMessage message) {
          messages.add(message);
          synchronized (semaphore) {
              semaphore.notifyAll();
          }
      }
  
      public void initialize(BrokerConnector brokerConnector, TransportChannel channel) {
      }
  
      public void waitForMessageToArrive() {
          System.out.println("Waiting for message to arrive");
  
          long start = System.currentTimeMillis();
  
          try {
              if (messages.isEmpty()) {
                  synchronized (semaphore) {
                      semaphore.wait(4000);
                  }
              }
          }
          catch (InterruptedException e) {
              System.out.println("Caught: " + e);
          }
          long end = System.currentTimeMillis() - start;
  
          System.out.println("End of wait for " + end + " millis");
      }
  
      public void start() throws JMSException {
      }
  
      public void stop() throws JMSException {
      }
  
      /***
       * @return true if the peer for this Client is itself another Broker
       */
      public boolean isBrokerConnection() {
          return false;
      }
  
  
      /***
      * Get the Capacity for in-progress messages at the peer (probably a JMSConnection)
      * Legimate values between 0-100. 100 representing that the peer cannot process
      * any more messages at the current time
      *
      * @return
      */
     public int getCapacity() {
         return 100;
     }
 
     /***
      * Get an indication if the peer should be considered as a slow consumer
      *
      * @return true id the peer should be considered as a slow consumer
      */
     public boolean isSlowConsumer() {
         return false;
     }
 
     /***
      * Update the peer Connection about the Broker's capacity for messages
      *
      * @param capacity
      */
     public void updateBrokerCapacity(int capacity) {
 
     }
 
     public String getClientID() {
         return "dummyClientID";
     }
 
     public void cleanUp() {
     }
 
     public TransportChannel getChannel() {
         return null;
     }
 
    
     public BrokerConnector getBrokerConnector() {
         return null;
     }
 
    
     public boolean isClusteredConnection() {
         return false;
     }
 }