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 java.lang.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

protected ErrorReporter	errorReporter The ErrorReporter to send messages to
java.lang.Object	eventLock External lock for the event list.

Constructor Summary

NetworkEventQueue(ErrorReporter reporter)
Basic constructor.

Method Summary

void	beginUpdate() Start queueing updates.
void	endUpdate() End queueing 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(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 Detail

eventLock

public java.lang.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 ErrorReporter errorReporter

The ErrorReporter to send messages to

Constructor Detail

NetworkEventQueue

public NetworkEventQueue(ErrorReporter reporter)

Basic constructor.

Parameters:

reporter - The ErrorReporter to use.

Method Detail

beginUpdate

public void beginUpdate()

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

endUpdate

public void endUpdate()

End queueing 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.

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 queueing state

processEvents

public void processEvents()

Process all waiting events.

Specified by:

processEvents in interface ExternalView

See Also:

ExternalView.processEvents()

setErrorReporter

public void setErrorReporter(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.web3d.util.ErrorReporter)