Package org.htmlunit.javascript.background

Class DefaultJavaScriptExecutor

java.lang.Object

org.htmlunit.javascript.background.DefaultJavaScriptExecutor

All Implemented Interfaces:

Runnable, JavaScriptExecutor

public class DefaultJavaScriptExecutor
extends Object
implements JavaScriptExecutor

An event loop to execute all the JavaScript jobs.

Field Summary

Fields

Modifier and Type	Field	Description
private Thread	eventLoopThread_
private final List<WeakReference<JavaScriptJobManager>>	jobManagerList_
private static final org.apache.commons.logging.Log	LOG	Logging support.
private final AtomicBoolean	shutdown_
private final WeakReference<WebClient>	webClient_

Constructor Summary

Constructors

Constructor	Description
DefaultJavaScriptExecutor(WebClient webClient)	Creates an EventLoop for the webClient.

Method Summary

Modifier and Type	Method	Description
void	addWindow(WebWindow newWindow)	Register a window with the eventLoop.
protected JavaScriptJobManager	getJobManagerWithEarliestJob()	Returns the JobExecutor corresponding to the earliest job.
protected String	getThreadName()	Defines the thread name; overload if needed.
private void	killThread()
void	run()	Runs the eventLoop.
void	shutdown()	Notes that this thread has been shutdown.
protected void	startThreadIfNeeded()	Starts the eventLoopThread_.
private void	updateJobMangerList(JavaScriptJobManager newJobManager)

Methods inherited from class java.lang.Object

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

Field Details

webClient_

private final transient WeakReference<WebClient> webClient_

jobManagerList_

private final transient List<WeakReference<JavaScriptJobManager>> jobManagerList_

shutdown_

private final transient AtomicBoolean shutdown_

eventLoopThread_

private transient Thread eventLoopThread_

LOG

private static final org.apache.commons.logging.Log LOG

Logging support.

Constructor Details

DefaultJavaScriptExecutor

public DefaultJavaScriptExecutor(WebClient webClient)

Creates an EventLoop for the webClient.

Parameters:

webClient - the provided webClient

Method Details

startThreadIfNeeded

protected void startThreadIfNeeded()

Starts the eventLoopThread_.

getThreadName

protected String getThreadName()

Defines the thread name; overload if needed.

Returns:

the name of the js executor thread

killThread

private void killThread()

getJobManagerWithEarliestJob

protected JavaScriptJobManager getJobManagerWithEarliestJob()

Returns the JobExecutor corresponding to the earliest job.

Returns:

the JobExectuor with the earliest job.

run

public void run()

Runs the eventLoop.

Specified by:

run in interface Runnable

addWindow

public void addWindow(WebWindow newWindow)

Register a window with the eventLoop.

Specified by:

addWindow in interface JavaScriptExecutor

Parameters:

newWindow - the new web window

updateJobMangerList

private void updateJobMangerList(JavaScriptJobManager newJobManager)

shutdown

public void shutdown()

Notes that this thread has been shutdown.

Specified by:

shutdown in interface JavaScriptExecutor