예제 #1
0
 /**
  * Makes the Subscriber subscribe to data that is published in the Partitions that match the
  * supplied expression. Remember that the Partitions must have been created within the Participant
  * of this Subscriber prior to calling this function.
  *
  * @param expression The partition expression to apply.
  * @throws CMException Thrown when Subscriber has already been freed or when publish failed.
  */
 public void subscribe(String expression) throws CMException {
   if (this.isFreed()) {
     throw new CMException("Subscriber already freed.");
   }
   try {
     CMFactory.getCommunicator().subscriberSubscribe(this, expression);
   } catch (CommunicationException e) {
     throw new CMException("subscribe failed for: " + expression);
   }
 }
예제 #2
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 public void setQoS(QoS qos) throws CMException {
   if (freed) {
     throw new CMException("Supplied entity is not available (anymore).");
   } else if (qos instanceof SubscriberQoS) {
     try {
       CMFactory.getCommunicator().entitySetQoS(this, qos);
     } catch (CommunicationException ce) {
       throw new CMException(ce.getMessage());
     }
   } else {
     throw new CMException("Supplied entity requires a SubscriberQoS.");
   }
 }
예제 #3
0
 /**
  * Creates a new Subscriber from the supplied arguments. The Subscriber is owned by the caller of
  * this constructor.
  *
  * @param participant The Participant to create the Subscriber in.
  * @param name The name of the Subscriber.
  * @param qos The quality of service to apply to the Subscriber.
  * @throws CMException Thrown when Subscriber could not be created.
  */
 public SubscriberImpl(ParticipantImpl participant, String name, SubscriberQoS qos)
     throws CMException {
   super(0, 0, "", "");
   owner = true;
   SubscriberImpl s;
   try {
     s = (SubscriberImpl) CMFactory.getCommunicator().subscriberNew(participant, name, qos);
   } catch (CommunicationException e) {
     throw new CMException(e.getMessage());
   }
   if (s == null) {
     throw new CMException("Subscriber could not be created.");
   }
   this.index = s.index;
   this.serial = s.serial;
   this.name = s.name;
   this.pointer = s.pointer;
   this.enabled = s.enabled;
   s.freed = true;
 }