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.
   *
   */
  
  import java.util.Random;
  
  import DDS.DataWriter;
  import StockMarket.Stock;
  import StockMarket.StockDataWriter;
  import StockMarket.StockDataWriterHelper;
  import StockMarket.StockTypeSupport;
  
  public class ContentFilteredTopicDataPublisher {
  
  	public static void main(String[] args) {
  		DDSEntityManager mgr = new DDSEntityManager();
  		String partitionName = "ContentFilteredTopic example";
  
  		// create Domain Participant
  		mgr.createParticipant(partitionName);
  
  		// create Type
  		StockTypeSupport stkTS = new StockTypeSupport();
  		mgr.registerType(stkTS);
  
  		// create Topic
  		mgr.createTopic("StockTrackerExclusive");
  
  		// create Publisher
  		mgr.createPublisher();
  
  		// create DataWriter
  		mgr.createWriter();
  
  		// Publish Events
  
  		DataWriter dwriter = mgr.getWriter();
  		StockDataWriter stockWriter = StockDataWriterHelper.narrow(dwriter);
  
  		Stock msft = new Stock();
  		msft.ticker = "MSFT";
  		msft.price = 19.95f;
  
  		Stock ge = new Stock();
  		ge.ticker = "GE";
  		ge.price = 10.00f;
  
  		// register the two stock instances
  		long msftHandle = stockWriter.register_instance(msft);
  		long geHandle = stockWriter.register_instance(ge);
  
  		// update data every second
  		for (int x = 0; x < 20; x++) {
  			msft.price = msft.price + (new Random()).nextFloat();
  			stockWriter.write(msft, msftHandle);
  
  			ge.price = ge.price + (new Random()).nextFloat();
  			stockWriter.write(ge, geHandle);
  			System.out.println(ge.ticker + ": " + ge.price + " " + msft.ticker + ": " + msft.price);
  			try {
  				Thread.sleep(1000);
  			} catch (InterruptedException e) {
  				e.printStackTrace();
  			}
  		}
  
  		msft.price = -1.0f; // signal to terminate
  		ge.price = -1.0f; // signal to terminate
  
  		stockWriter.write(msft, msftHandle);
  		stockWriter.write(ge, geHandle);
  		try {
  			Thread.sleep(1000);
  		} catch (InterruptedException e) {
  			e.printStackTrace();
  		}
  
  		// clean up
  		stockWriter.dispose(msft, msftHandle);
  		stockWriter.dispose(ge, geHandle);
  		stockWriter.unregister_instance(msft, msftHandle);
  		stockWriter.unregister_instance(ge, geHandle);
  
  		mgr.getPublisher().delete_datawriter(stockWriter);
  		mgr.deletePublisher();
  		mgr.deleteTopic();
  		mgr.deleteParticipant();
  
  	}
  }
  