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 org.omg.dds.core.Duration;
  import org.omg.dds.core.ServiceEnvironment;
  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.domain.DomainParticipant;
  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 java.util.Arrays;
  import java.util.concurrent.TimeUnit;
  import org.omg.dds.core.GuardCondition;
  import org.omg.dds.core.policy.History;
  import org.omg.dds.core.policy.ResourceLimits;
  import org.omg.dds.domain.DomainParticipantFactory;
  
  /**
   * This class serves as a container holding initialised entities used for
   * publishing
   */
  class PubEntities {
  
      public PubEntities(String partitionName) throws Exception,
              NullPointerException {
  
          /*
           * Select DDS implementation and initialize DDS ServiceEnvironment
           */
          System.setProperty(
                  ServiceEnvironment.IMPLEMENTATION_CLASS_NAME_PROPERTY,
                  "org.opensplice.dds.core.OsplServiceEnvironment");
          env = ServiceEnvironment.createInstance(PubEntities.class
                  .getClassLoader());
          PolicyFactory policyFactory = env.getSPI().getPolicyFactory();
          Partition publisherPartition = policyFactory.Partition().withName(
                  Arrays.asList(partitionName));
  
          /**
           * A DomainParticipant is created for the default domain.
           */
          domainParticipantFactory = DomainParticipantFactory.getInstance(env);
          // ExampleError.CheckHandle(domainParticipantFactory,
          // "Entities, DDS.DomainParticipantFactory.get_instance");
          participant = domainParticipantFactory.createParticipant();
          // ExampleError.CheckHandle(participant,
          // "Entities, domainParticipantFactory.create_participant");
  
          /**
           * A Topic is created for our sample type on the domain participant.
           */
          topic = participant.createTopic("Throughput",
                  ThroughputModule.DataType.class);
          // ExampleError.CheckHandle(topic,
          // "Entities, participant.create_topic");
  
          /**
           * A Publisher is created on the domain participant.
           */
          PublisherQos pubQos = participant.getDefaultPublisherQos();
          // ExampleError.CheckHandle(pubQos,
          // "Entities, participant.getDefaultPublisherQos");
          pubQos = pubQos.withPolicies(publisherPartition);
          publisher = participant.createPublisher(pubQos);
          // ExampleError.CheckHandle(publisher,
          // "Entities, participant.createPublisher");
  
          /**
           * A DataWriter is created on the Publisher & Topic with a modified Qos.
           */
          DataWriterQos dwQos = publisher.getDefaultDataWriterQos();
          // ExampleError.CheckHandle(dwQos,
          // "Entities, publisher.getDefaultDataWriterQos");
          Duration max_blocking_time = env.getSPI().newDuration(10,
                  TimeUnit.SECONDS);
          Reliability reliable = policyFactory.Reliability().withReliable()
                  .withMaxBlockingTime(max_blocking_time);
          History history = policyFactory.History().withKeepAll();
          // WriterDataLifecycle writer_data_lifecycle =
          // policyFactory.WriterDataLifecycle().withAutDisposeUnregisteredInstances(false);
          ResourceLimits resourcelimits = policyFactory.ResourceLimits()
                  .withMaxSamples(100);
          dwQos = dwQos.withPolicies(reliable).withPolicies(history)
                  .withPolicies(resourcelimits);
          writer = publisher.createDataWriter(topic, dwQos);
          // ExampleError.CheckHandle(writer,
          // "Entities, publisher.createDataWriter");
  
          terminated = env.getSPI().newGuardCondition();
  
      }
  
      public ServiceEnvironment env;
      public DomainParticipantFactory domainParticipantFactory;
      public DomainParticipant participant;
      public ThroughputModule.DataType typeSupport;
      public Topic<ThroughputModule.DataType> topic;
      public Publisher publisher;
      public DataWriter<ThroughputModule.DataType> writer;
      public GuardCondition terminated;
  }
  