org.openqa.selenium.server
Class SingleEntryAsyncQueue<T>

java.lang.Object
  org.openqa.selenium.server.SingleEntryAsyncQueue<T>

public class SingleEntryAsyncQueue<T>
extends java.lang.Object

Holds the command to be next run in the browser

This class uses reentrant locks in order to allow the same thread to populate the queue as is waiting for it, which is what currently happens on during browser startup.

Version:

$Revision: 734 $

Author:

Jennifer Bevan

Field Summary

static long

MILLISECONDS

Constructor Summary

SingleEntryAsyncQueue(long timeoutInSecs)

Method Summary

long	getTimeoutInSeconds()
protected boolean	isEmpty()
protected boolean	isPoison(T poisonSample)
protected T	peek()
protected boolean	poisonPollers() Clears the contents of the holder (if any) and also feeds 'poison' data a pending listener (if any);
protected T	pollToGetContentUntilTimeout()
protected boolean	putContent(T thing)
protected void	setPoison(T poisonInstance)

Methods inherited from class java.lang.Object

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

Field Detail

MILLISECONDS

public static final long MILLISECONDS

See Also:

Constant Field Values

Constructor Detail

SingleEntryAsyncQueue

public SingleEntryAsyncQueue(long timeoutInSecs)

Method Detail

getTimeoutInSeconds

public long getTimeoutInSeconds()

setPoison

protected void setPoison(T poisonInstance)

isPoison

protected boolean isPoison(T poisonSample)

pollToGetContentUntilTimeout

protected T pollToGetContentUntilTimeout()

putContent

protected boolean putContent(T thing)

isEmpty

protected boolean isEmpty()

peek

protected T peek()

poisonPollers

protected boolean poisonPollers()

Clears the contents of the holder (if any) and also feeds 'poison' data a pending listener (if any);

Returns:

true if poison was set and sent to any listeners.