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echopoint.asynch
Class AsynchEventQueue  

java.lang.Object
  echopoint.asynch.AsynchEventQueue

All Implemented Interfaces:

AsynchEventSink, java.io.Serializable

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public class AsynchEventQueue

extends java.lang.Object

implements AsynchEventSink, java.io.Serializable

AysnchEventQueue is a class that can hold AsyncEvents in a queue'ed fashion.

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Field Summary
private  int	capacity
private  int	front
private  java.lang.Object[]	queue
private  int	rear

 

Constructor Summary

AsynchEventQueue()           Constructs a AysnchEventQueue with a capacity of 20 events.

AsynchEventQueue(int capacity)           Constructs a AysnchEventQueue with the specified capacity.

 

Method Summary
AsynchEvent	getEvent()           Returns the next event in the sink, waiting forever till one is available.
AsynchEvent	getEvent(long waitTime)           Returns the next event in the sink, waiting for waitTime.
int	getSize()           Returns the number of events in the queue
boolean	isEmpty()           Is the queue empty ?
boolean	isFull()           Is the queue full ?
private  int	next(int index)           Circular counter.
boolean	putEvent(AsynchEvent asynchEvent)           Puts an event into the sink, waiting forever until there is room to place the event..
boolean	putEvent(AsynchEvent asynchEvent, int waitTime)           Puts an event into the sink, waiting up to waitTime until there is room to place the event.

 

Methods inherited from class java.lang.Object

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

 

Field Detail

capacity

private int capacity

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queue

private java.lang.Object[] queue

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front

private int front

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rear

private int rear

Constructor Detail

AsynchEventQueue

public AsynchEventQueue()

Constructs a AysnchEventQueue with a capacity of 20 events.

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AsynchEventQueue

public AsynchEventQueue(int capacity)

Constructs a AysnchEventQueue with the specified capacity.

Method Detail

getEvent

public AsynchEvent getEvent()
                     throws java.lang.InterruptedException

Description copied from interface: AsynchEventSink

Returns the next event in the sink, waiting forever till one is available.

Specified by:

getEvent in interface AsynchEventSink

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getEvent

public AsynchEvent getEvent(long waitTime)
                     throws java.lang.InterruptedException

Description copied from interface: AsynchEventSink

Returns the next event in the sink, waiting for waitTime.

Specified by:

getEvent in interface AsynchEventSink

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putEvent

public boolean putEvent(AsynchEvent asynchEvent)
                 throws java.lang.InterruptedException

Description copied from interface: AsynchEventSink

Puts an event into the sink, waiting forever until there is room to place the event..

Specified by:

putEvent in interface AsynchEventSink

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putEvent

public boolean putEvent(AsynchEvent asynchEvent,
                        int waitTime)
                 throws java.lang.InterruptedException

Description copied from interface: AsynchEventSink

Puts an event into the sink, waiting up to waitTime until there is room to place the event.

Specified by:

putEvent in interface AsynchEventSink

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isFull

public boolean isFull()

Is the queue full ?

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isEmpty

public boolean isEmpty()

Is the queue empty ?

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getSize

public int getSize()

Returns the number of events in the queue

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next

private int next(int index)

Circular counter.

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