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 DDS.*;
  import OwnershipData.*;
  
  public class OwnershipDataPublisher {
  	DDSEntityManager mgr = new DDSEntityManager();
  	DataWriter dWriter;
  	StockDataWriter OwnershipDataDataWriter;
  	long userHandle;
  	Stock m_instance;
  	int status;
  
  	void initPublisher(String pub, int strength) {
  		mgr = new DDSEntityManager();
  		String partition_name = "Ownership example";
  		mgr.createParticipant(partition_name);
  		// create type
  		StockTypeSupport st = new StockTypeSupport();
  		mgr.registerType(st);
  		// create Topic
  		String topic_name = "OwnershipStockTracker";
  		mgr.createTopic(topic_name);
  		// create Publisher
  		mgr.createPublisher();
  
  		// create DataWriter
  		mgr.createWriter(strength);
  
  		dWriter = mgr.getWriter();
  		OwnershipDataDataWriter = StockDataWriterHelper.narrow(dWriter);
  
  		m_instance = new Stock();
  
  		m_instance.ticker = "MSFT";
  		m_instance.price = 0;
  		m_instance.publisher = pub;
  		m_instance.strength = strength;
  		userHandle = OwnershipDataDataWriter.register_instance(m_instance);
  
  	}
  
  	OwnershipDataPublisher(String pub, int strength) {
  		initPublisher(pub, strength);
  	}
  
  	void publishEvent(float price, String pub) {
  		m_instance.price = price;
  		m_instance.publisher = pub;
  		OwnershipDataDataWriter.write(m_instance, userHandle);
  	}
  
  	void dispose() {
  
  		mgr.getPublisher().delete_datawriter(OwnershipDataDataWriter);
  
  		/* Remove the Publisher. */
  		mgr.deletePublisher();
  
  		/* Remove the Topics. */
  		mgr.deleteTopic();
  
  		/* Remove Participant. */
  		mgr.deleteParticipant();
  
  	}
  
  	public static void main(String args[]) {
  
  		System.out.println(args.length);
  		if (args.length < 4) {
  			System.err
  					.println("*** [Publisher] usage : Publisher <publisher_name> <ownership_strength> <nb_iterations> <stop_subscriber_flag>");
  			System.exit(-1);
  		}
  
  		OwnershipDataPublisher pub;
  		String publisher_name = args[0];
  		int ownership_strength = Integer.parseInt(args[1]);
  		int nb_iteration = Integer.parseInt(args[2]);
  		pub = new OwnershipDataPublisher(publisher_name, ownership_strength);
  		boolean stop_subscriber = (Integer.parseInt(args[3]) == 1);
  
  		// Publisher publishes the prices in dollars
  		System.out.println("=== [Publisher] Publisher " + publisher_name
  				+ " with strength : " + ownership_strength);
  		System.out.println(" / sending " + nb_iteration + " prices ..."
  				+ " stop_subscriber flag=" + args[3]);
  		// The subscriber should display the prices sent by the publisher with
  		// the highest ownership strength
  		float price = 10.0f;
  		for (int x = 0; x < nb_iteration; x++) {
  			pub.publishEvent(price, publisher_name);
  			// Sleep(delay_200ms);
  			try {
  				Thread.currentThread().sleep(200);// sleep for 200 ms
  			} catch (InterruptedException ie) {
  			}
  			price = price + 0.5f;
  		}
  		// Sleep(delay_2s);
  		try {
  			Thread.currentThread().sleep(2000);// sleep for 2000 ms
  		} catch (InterruptedException ie) {
  		}
  		if (stop_subscriber) {
  			// send a price = -1 to stop subscriber
  			price = -1.0f;
  			System.out.println("=== Stopping the subscriber");
  			pub.publishEvent(price, publisher_name);
  		}
  		pub.dispose();
  	}
  }
  