content: /*
   *                         OpenSplice DDS
   *
   *   This software and documentation are Copyright 2006 to TO_YEAR PrismTech
   *   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.Collection;
  import java.util.HashSet;
  
  import org.omg.dds.core.InstanceHandle;
  import org.omg.dds.core.ServiceEnvironment;
  import org.omg.dds.core.policy.Durability;
  import org.omg.dds.core.policy.Partition;
  import org.omg.dds.core.policy.PolicyFactory;
  import org.omg.dds.core.policy.Reliability;
  import org.omg.dds.core.policy.WriterDataLifecycle;
  import org.omg.dds.core.status.Status;
  import org.omg.dds.domain.DomainParticipant;
  import org.omg.dds.domain.DomainParticipantFactory;
  import org.omg.dds.pub.DataWriter;
  import org.omg.dds.pub.DataWriterQos;
  import org.omg.dds.pub.Publisher;
  import org.omg.dds.pub.PublisherQos;
  import org.omg.dds.topic.Topic;
  import org.omg.dds.topic.TopicQos;
  
  import LifecycleData.Msg;
  
  public class LifecycleDataPublisher {
  
  	public static void usage() {
  		System.out.println("*** ERROR");
  		System.out.println("*** usage : LifecyclePublisher <autodispose_flag> <writer_action>");
  		System.out.println("***         . autodispose_flag = false | true");
  		System.out.println("***         . dispose | unregister | stoppub");
  		System.exit(0);
  	}
  
  	public static void main(String args[]) {
  		System.out.println("=== args_length=" + args.length);
  		if (args.length < 2) {
  			usage();
  		}
  		if (!(args[0].equals("false")) && !(args[0].equals("true"))
                      && !(args[1].equals("dispose")) && !(args[1].equals("unregister")) && !(args[1].equals("stoppub")))
  		{
  		  usage();
  		}
  		boolean autodispose = (args[0].equals("true"));
  		String partitionName = "Lifecycle example";
  		try {
              System.setProperty(
                        ServiceEnvironment.IMPLEMENTATION_CLASS_NAME_PROPERTY,
                        "org.opensplice.dds.core.OsplServiceEnvironment");
              ServiceEnvironment env = ServiceEnvironment
                        .createInstance(LifecycleDataPublisher.class.getClassLoader());
  
              DomainParticipantFactory dpf = DomainParticipantFactory.getInstance(env);
  
              // create Domain Participant
              DomainParticipant participant = dpf.createParticipant();
  
              // create Topic with reliable and transient qos
              PolicyFactory policyFactory = env.getSPI().getPolicyFactory();
              Reliability reliable = policyFactory.Reliability().withReliable();
              Durability durability = policyFactory.Durability().withTransient();
              TopicQos topicQos = participant.getDefaultTopicQos().withPolicies(reliable,durability);
              Collection<Class<? extends Status>> status = new HashSet<Class<? extends Status>>();
              Topic<Msg> topic = participant.createTopic("Lifecycle_Msg", Msg.class,topicQos, null, status);
  
              // create Publisher with partition qos
              Partition partition = policyFactory.Partition().withName(partitionName);
              PublisherQos pubQos = participant.getDefaultPublisherQos().withPolicy(partition);
              Publisher pub = participant.createPublisher(pubQos);
  
              // create DataWriter with autDisposeUnregisteredInstances qos
              WriterDataLifecycle wdlq = policyFactory.WriterDataLifecycle().withAutDisposeUnregisteredInstances(autodispose);
              DataWriterQos dwQos = pub.copyFromTopicQos(pub.getDefaultDataWriterQos().withPolicy(wdlq),topic.getQos());
              DataWriter<Msg> writer = pub.createDataWriter(topic,dwQos);
              DataWriter<Msg> writerStopper = pub.createDataWriter(topic,dwQos);
  
      		try {
      			Thread.sleep(500);
      		} catch (InterruptedException e) {
      			e.printStackTrace();
      		}
  
  
      		if (args[1].equals("dispose")){
      		    // Send Msg (topic to monitor)
      		    Msg msgInstance = new Msg();
      		    msgInstance.userID = 1;
      		    msgInstance.message = "Lifecycle_1";
      		    msgInstance.writerStates = "SAMPLE_SENT -> INSTANCE_DISPOSED -> DATAWRITER_DELETED";
      		    System.out.println("=== [Publisher]  :");
      		    System.out.println("    userID  : " + msgInstance.userID);
      		    System.out.println("    Message  : " + msgInstance.message);
      		    System.out.println("    writerStates : " + msgInstance.writerStates);
      		    writer.write(msgInstance, InstanceHandle.nilHandle(env));
      		    try {
      			      Thread.sleep(500);
      			} catch (InterruptedException e) {
      			      e.printStackTrace();
      			}
      			System.out.println("=== [Publisher]  : SAMPLE_SENT");
  
      			// Dispose instance
      			writer.dispose(InstanceHandle.nilHandle(env), msgInstance);
      		    System.out.println("=== [Publisher]  : INSTANCE_DISPOSED");
      		}
      		else if (args[1].equals("unregister")){
      		    // Send Msg (topic to monitor)
      		    Msg msgInstance = new Msg();
      		    msgInstance.userID = 2;
      		    msgInstance.message = "Lifecycle_2";
      		    msgInstance.writerStates = "SAMPLE_SENT -> INSTANCE_UNREGISTERED -> DATAWRITER_DELETED";
      		    System.out.println("=== [Publisher]  :");
      		    System.out.println("    userID  : " + msgInstance.userID);
      		    System.out.println("    Message  : " + msgInstance.message);
      		    System.out.println("    writerStates : " + msgInstance.writerStates);
      		    writer.write(msgInstance, InstanceHandle.nilHandle(env));
      		    try {
      			      Thread.sleep(500);
      			} catch (InterruptedException e) {
      			      e.printStackTrace();
      			}
      		    System.out.println("=== [Publisher]  : SAMPLE_SENT");
      		    // Unregister instance : the auto_dispose_unregisterd_instances flag
      		    // is currently ignored and the instance is never disposed
      		    // automatically
      		    writer.unregisterInstance(InstanceHandle.nilHandle(env), msgInstance);
      		    System.out.println("=== [Publisher]  : INSTANCE_UNREGISTERED");
      		}
      		else if (args[1].equals("stoppub")){
      		    // Send Msg (topic to monitor)
      		    Msg msgInstance = new Msg();
      		    msgInstance.userID = 3;
      		    msgInstance.message = "Lifecycle_3";
      		    msgInstance.writerStates = "SAMPLE_SENT -> DATAWRITER_DELETED";
      		    System.out.println("=== [Publisher]  :");
      		    System.out.println("    userID  : " + msgInstance.userID);
      		    System.out.println("    Message  : " + msgInstance.message);
      		    System.out.println("    writerStates : " + msgInstance.writerStates);
      		    writer.write(msgInstance, InstanceHandle.nilHandle(env));
      		    try {
      			      Thread.sleep(500);
      			} catch (InterruptedException e) {
      			      e.printStackTrace();
      			}
      		    System.out.println("=== [Publisher]  : SAMPLE_SENT");
      		}
  
      		// let the subscriber treat the previous writer state !!!!
      		System.out
      				.println("=== [Publisher] waiting 500ms to let the subscriber treat the previous write state ...");
      		try {
      			Thread.sleep(500);
      		} catch (InterruptedException e) {
      			e.printStackTrace();
      		}
  
      		// Clean-up the dataWriter
      		writer.close();
      		try {
      			Thread.sleep(500);
      		} catch (InterruptedException e) {
      			e.printStackTrace();
      		}
      		System.out.println("=== [Publisher]  : DATAWRITER_DELETED");
  
      		// Stop the subscriber
      		Msg msgInstance = new Msg();
      		msgInstance.userID = 4;
      		msgInstance.message = "Lifecycle_4";
      		msgInstance.writerStates = "STOPPING_SUBSCRIBER";
      		System.out.println("=== [Publisher]  :");
      		System.out.println("    userID  : " + msgInstance.userID);
      		System.out.println("    Message  : " + msgInstance.message);
      		System.out.println("    writerStates : " + msgInstance.writerStates);
      		writerStopper.write(msgInstance, InstanceHandle.nilHandle(env));
      		try {
      		    Thread.sleep(1000);
              } catch (InterruptedException e) {
                  e.printStackTrace();
              }
       		participant.close();
  
      	} catch(Exception e) {
              System.out.println("Error occured: " + e.getMessage());
              e.printStackTrace();
          }
  	}
  }
  