IMReceivedMessageQueue

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IM
Class IMReceivedMessageQueue

java.lang.Object
  IM.IMReceivedMessageQueue

public class IMReceivedMessageQueue
extends java.lang.Object

This class is used to store received messages and make them available for user of Instant-Messenger.

Field Summary

private static int DEFAULT_INFO_TIMEOUT


private IM im


private int licznik


private int messageFreeSpace
           Remember number of free space in messageQueue Vector, size of messageQueue minus used space.

private java.util.Vector messageQueue
           Stores received messages (objects of Message class)

private int messageQueueSize
           Remembers size of messageQueue Vector, which is constant inspite of adding or removing elements stored in messageQueue.

int messageUsedSpace
           Remember number of reserved space in messageQueue Vector, occupied by objects of Message class.

(package private) mobile.jmsapi.TextMessage newMessage


mobile.util.synchronization.BinarySemaphore semaphore
           Represents object of BinarySemaphore class, which protect exclusive access to vector messageQueue

Constructor Summary

IMReceivedMessageQueue(int bufferSize)
           Class constructor - initializes messageQueue Vector, which size is bufferSize, and its protective semaphore

Method Summary

boolean addReceivedMessage(mobile.jmsapi.TextMessage receivedMessage)


boolean addReceivedMessageWithResizeBuffer(mobile.jmsapi.TextMessage receivedMessage)
           Synchronized method which adds object of Message class to messageQueue and enlarges messageQueue

void freeMessageSpace()
           Synchronized method which release reserved space in messageQueue

mobile.jmsapi.TextMessage getMessage(int index)
           Synchronized method which returns object of Message class stored in messageQueue at index specified in parameter index

void log(java.lang.String str)
           Synchronized method which adds object of Message class to messageQueue

boolean removeReceivedMessage(int index)
           Synchronized method which removes object of Message class at index specified in parameter index

boolean reserveMessageSpace()
           Synchronized method which reserves space in messageQueue for new message

Methods inherited from class java.lang.Object

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

Field Detail

semaphore

public mobile.util.synchronization.BinarySemaphore semaphore

Represents object of BinarySemaphore class, which protect exclusive access to vector messageQueue

DEFAULT_INFO_TIMEOUT

private static final int DEFAULT_INFO_TIMEOUT

See Also:: Constant Field Values

im

private IM im

licznik

private int licznik

newMessage

mobile.jmsapi.TextMessage newMessage

messageQueue

private java.util.Vector messageQueue

Stores received messages (objects of Message class)

messageQueueSize

private int messageQueueSize

Remembers size of messageQueue Vector, which is constant inspite of adding or removing elements stored in messageQueue.

messageFreeSpace

private int messageFreeSpace

Remember number of free space in messageQueue Vector, size of messageQueue minus used space.

messageUsedSpace

public int messageUsedSpace

Remember number of reserved space in messageQueue Vector, occupied by objects of Message class.

Constructor Detail