content: /*
   *                         Vortex OpenSplice
   *
   *   This software and documentation are Copyright 2006 to TO_YEAR ADLINK
   *   Technology Limited, its affiliated companies and licensors. All rights
   *   reserved.
   *
   *   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.
   *
   */
  
  /************************************************************************
   * LOGICAL_NAME:    HelloWorldSubscriber.java
   * FUNCTION:        Publisher's main for the HelloWorld OpenSplice programming example.
   * MODULE:          OpenSplice HelloWorld example for the java programming language.
   * DATE             September 2010.
   ************************************************************************/
  
  import DDS.ANY_INSTANCE_STATE;
  import DDS.ANY_SAMPLE_STATE;
  import DDS.ANY_VIEW_STATE;
  import DDS.DataReader;
  import DDS.LENGTH_UNLIMITED;
  import DDS.SampleInfoSeqHolder;
  import HelloWorldData.MsgDataReader;
  import HelloWorldData.MsgDataReaderHelper;
  import HelloWorldData.MsgSeqHolder;
  import HelloWorldData.MsgTypeSupport;
  
  public class HelloWorldDataSubscriber {
  
  	public static void main(String[] args) {
  		DDSEntityManager mgr = new DDSEntityManager();
  		String partitionName = "HelloWorld example";
  
  		// create Domain Participant
  		mgr.createParticipant(partitionName);
  
  		// create Type
  		MsgTypeSupport msgTS = new MsgTypeSupport();
  		mgr.registerType(msgTS);
  
  		// create Topic
  		mgr.createTopic("HelloWorldData_Msg");
  
  		// create Subscriber
  		mgr.createSubscriber();
  
  		// create DataReader
  		mgr.createReader();
  
  		// Read Events
  
  		DataReader dreader = mgr.getReader();
  		MsgDataReader HelloWorldReader = MsgDataReaderHelper.narrow(dreader);
  
  		MsgSeqHolder msgSeq = new MsgSeqHolder();
  		SampleInfoSeqHolder infoSeq = new SampleInfoSeqHolder();
  
                  System.out.println ("=== [Subscriber] Ready ...");
  		boolean terminate = false;
  		int count = 0;
  		while (!terminate && count < 1500) { // We dont want the example to run indefinitely
  			HelloWorldReader.take(msgSeq, infoSeq, LENGTH_UNLIMITED.value,
  					ANY_SAMPLE_STATE.value, ANY_VIEW_STATE.value,
  					ANY_INSTANCE_STATE.value);
  			for (int i = 0; i < msgSeq.value.length; i++) {
  				if (msgSeq.value[i].message.equals("Hello World")) {
  					System.out.println("=== [Subscriber] message received :");
  					System.out.println("    userID  : "
  							+ msgSeq.value[i].userID);
  					System.out.println("    Message : \""
  							+ msgSeq.value[i].message + "\"");
  					terminate = true;
  				}
  			}
  			try
  			{
  				Thread.sleep(200);
  			}
  			catch(InterruptedException ie)
  			{
  				// nothing to do
  			}
  			++count;
  			
  		}
                  HelloWorldReader.return_loan(msgSeq, infoSeq);
  		
  		// clean up
  		mgr.getSubscriber().delete_datareader(HelloWorldReader);
  		mgr.deleteSubscriber();
  		mgr.deleteTopic();
  		mgr.deleteParticipant();
  
  	}
  }
  