Package org.web3d.vrml.scripting.external.buffer

Class NetworkEventQueue

java.lang.Object

org.web3d.vrml.scripting.external.buffer.NetworkEventQueue

All Implemented Interfaces:

ExternalView

public class NetworkEventQueue
extends Object
implements ExternalView

NetworkEventQueue is a modified version of ExternalEventQueue from eai.buffer which which differs mainly in that it does not have an external view to synchronize with.

Field Summary

Fields

Modifier and Type	Field	Description
protected org.j3d.util.ErrorReporter	errorReporter	The ErrorReporter to send messages to
final Object	eventLock	External lock for the event list.

Constructor Summary

Constructors

Constructor	Description
NetworkEventQueue(org.j3d.util.ErrorReporter reporter)	Basic constructor.

Method Summary

Modifier and Type	Method	Description
void	beginUpdate()	Start queuing updates.
void	clear()	Clear out any held references
void	endUpdate()	End queuing of updates, and send the current set to be processed.
ExternalEvent	getLast(ExternalEvent type)	Return the ExternalEvent which is equal to the sent type.
void	processEvent(ExternalEvent event)	Process an addition to the event queue.
void	processEvents()	Process all waiting events.
void	setErrorReporter(org.j3d.util.ErrorReporter reporter)	Change the ErrorReporter this instance is using

Methods inherited from class java.lang.Object

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

Field Details

eventLock

public final Object eventLock

External lock for the event list. This has to be public because the logic for merging set1Value calls isn't thread safe otherwise.

errorReporter

protected org.j3d.util.ErrorReporter errorReporter

The ErrorReporter to send messages to

Constructor Details

NetworkEventQueue

public NetworkEventQueue(org.j3d.util.ErrorReporter reporter)

Basic constructor.

Parameters:

reporter - The ErrorReporter to use.

Method Details

beginUpdate

public void beginUpdate()

Start queuing updates. It isn't an error to call this multiple times, but extra calls are ignored.

endUpdate

public void endUpdate()

End queuing of updates, and send the current set to be processed. It isn't an error to call this multiple times, but extra calls are ignored.

getLast

public ExternalEvent getLast(ExternalEvent type)

Return the ExternalEvent which is equal to the sent type. This relies on the trick that EventIn instances are equal based on node and field ID properties.

Returns:

processEvent

public void processEvent(ExternalEvent event)

Process an addition to the event queue. This will either add the event to the queue, or execute it immediately depending on the queuing state

Parameters:

event -

processEvents

public void processEvents()

Process all waiting events.

Specified by:

processEvents in interface ExternalView

See Also:

• ExternalView.processEvents()

setErrorReporter

public void setErrorReporter(org.j3d.util.ErrorReporter reporter)

Change the ErrorReporter this instance is using

Specified by:

setErrorReporter in interface ExternalView

Parameters:

reporter - The instance to use or null

See Also:

• ExternalView.setErrorReporter(org.j3d.util.ErrorReporter)

clear

public void clear()

Clear out any held references

Specified by:

clear in interface ExternalView