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IM
Class IMTopic  

java.lang.Object
  java.lang.Thread
      IM.IMTopic

All Implemented Interfaces:

java.lang.Runnable

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public class IMTopic

extends java.lang.Thread

IMTopic is thread, which serves messages delivered to Topic. Messages are taken away from object topicSubscriber using subscribe() method. There is reserved place in Vector IMreceivedMessageQueue before receiving message. Received message is being put in IMreceivedMessageQueue, then thread try to reserve place for next message in IMreceivedMessageQueue and if it is possible, it hangs on subscribe() method of topicSubscriber. In other case thread fall asleep for some time (default : 1 s)

IMTopic makes available objects of class Topic and TopicPublisher, also gives possibility to send messages using publish() method.

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Nested Class Summary

 

Nested classes inherited from class java.lang.Thread

java.lang.Thread.UncaughtExceptionHandler

 

Field Summary
private static int	DEFAULT_SLEEP
private static int	DEFAULT_TIMEOUT
private  java.lang.String	name            Keeps name of Topic which is kept on topic attribute.
private  boolean	stopFlag            Flag used to order IMTopic to stop work (main thread)
private  mobile.jmsapi.Topic	topic            Represents object of Topic class which is used to service PUB/SUB communication.
private  mobile.jmsapi.TopicPublisher	topicPublisher            Represents object of TopicPublisher class which is used to sending messages.
private  mobile.jmsapi.TopicSubscriber	topicSubscriber            Represents object of TopicSubscriber class which is used to receiving messages.

 

Fields inherited from class java.lang.Thread

MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

 

Constructor Summary

IMTopic(java.lang.String name)            Set name of Topic, which will service and run main thread.

 

Method Summary
mobile.jmsapi.Topic	getTopic()            Accessor to object of Topic class.
java.lang.String	getTopicName()            Do nothing.
mobile.jmsapi.TopicPublisher	getTopicPublisher()            Accessor to attribute topicPublisher of TopicPublisher class.
mobile.jmsapi.TopicSubscriber	getTopicSubscriber()            Accessor to attribute topicSubscriber of TopicSubscriber class.
void	run()            Main thread which services received messages and makes them available for Instant-Messenger by putting them to vector called IMreceivedMessageQueue stored in im, object of IM class
void	setTopic(mobile.jmsapi.Topic topic)            Accessor to attribute object of Topic class.
void	setTopicPublisher(mobile.jmsapi.TopicPublisher topicPublisher)            Accessor to attribute object of TopicPublisher class.
void	setTopicSubscriber(mobile.jmsapi.TopicSubscriber topicSubscriber)            Accessor to attribute object of topicSubscriber class.
void	startTopic()            Set value of stopFlag to false, what indicate that main thread have to start its work.
void	stopTopic()            Set value of stopFlag to true, what indicate that main thread have to stop its work after clean all of composite attributes.

 

Methods inherited from class java.lang.Thread

activeCount, checkAccess, countStackFrames, currentThread, destroy, dumpStack, enumerate, getContextClassLoader, getDefaultUncaughtExceptionHandler, getId, getName, getPriority, getThreadGroup, getUncaughtExceptionHandler, holdsLock, interrupt, interrupted, isAlive, isDaemon, isInterrupted, join, join, join, resume, setContextClassLoader, setDaemon, setDefaultUncaughtExceptionHandler, setName, setPriority, setUncaughtExceptionHandler, sleep, sleep, start, stop, stop, suspend, toString, yield

 

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

 

Field Detail

DEFAULT_SLEEP

private static final int DEFAULT_SLEEP

See Also:

Constant Field Values

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DEFAULT_TIMEOUT

private static final int DEFAULT_TIMEOUT

See Also:

Constant Field Values

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stopFlag

private boolean stopFlag

Flag used to order IMTopic to stop work (main thread)

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topic

private mobile.jmsapi.Topic topic

Represents object of Topic class which is used to service PUB/SUB communication.

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topicPublisher

private mobile.jmsapi.TopicPublisher topicPublisher

Represents object of TopicPublisher class which is used to sending messages.

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topicSubscriber

private mobile.jmsapi.TopicSubscriber topicSubscriber

Represents object of TopicSubscriber class which is used to receiving messages.

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name

private java.lang.String name

Keeps name of Topic which is kept on topic attribute.

Constructor Detail

IMTopic

public IMTopic(java.lang.String name)

Set name of Topic, which will service and run main thread.

Method Detail

getTopic

public mobile.jmsapi.Topic getTopic()

Accessor to object of Topic class.

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setTopic

public void setTopic(mobile.jmsapi.Topic topic)

Accessor to attribute object of Topic class. Set its value to topic gave as a method's parameter.

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getTopicPublisher

public mobile.jmsapi.TopicPublisher getTopicPublisher()

Accessor to attribute topicPublisher of TopicPublisher class.

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setTopicPublisher

public void setTopicPublisher(mobile.jmsapi.TopicPublisher topicPublisher)

Accessor to attribute object of TopicPublisher class. Set its value to topic gave as a method's parameter.

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getTopicSubscriber

public mobile.jmsapi.TopicSubscriber getTopicSubscriber()

Accessor to attribute topicSubscriber of TopicSubscriber class.

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setTopicSubscriber

public void setTopicSubscriber(mobile.jmsapi.TopicSubscriber topicSubscriber)

Accessor to attribute object of topicSubscriber class. Set its value to topic gave as a method's parameter.

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getTopicName

public java.lang.String getTopicName()

Do nothing.

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stopTopic

public void stopTopic()

Set value of stopFlag to true, what indicate that main thread have to stop its work after clean all of composite attributes.

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startTopic

public void startTopic()

Set value of stopFlag to false, what indicate that main thread have to start its work.

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run

public void run()

Main thread which services received messages and makes them available for Instant-Messenger by putting them to vector called IMreceivedMessageQueue stored in im, object of IM class

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Home >> All >> [ IM overview ]	PREV CLASS  NEXT CLASS
SUMMARY:  JAVADOC |  SOURCE |  DOWNLOAD | NESTED | FIELD | CONSTR | METHOD	DETAIL: FIELD | CONSTR | METHOD

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