de.lmu.ifi.dbs.elki.visualization.batikutil

Class JSVGUpdateSynchronizer

java.lang.Object

de.lmu.ifi.dbs.elki.visualization.batikutil.JSVGUpdateSynchronizer

All Implemented Interfaces:

UpdateSynchronizer

 class JSVGUpdateSynchronizer
extends Object
implements UpdateSynchronizer

This class is used to synchronize SVG updates with an JSVG canvas.

Author:

Erich Schubert

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
private class	JSVGUpdateSynchronizer.UMAdapter Adapter that will track the component for UpdateManager changes.

Field Summary

Fields

Modifier and Type	Field and Description
private WeakReference<JSVGComponent>	cref A weak reference to the component the plot is in.
private AtomicReference<Runnable>	pending The current Runnable scheduled, prevents repeated invocations.
private JSVGUpdateSynchronizer.UMAdapter	umadapter Adapter to track component changes
private Set<WeakReference<UpdateRunner>>	updaterunner The UpdateRunner we are put into

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	JSVGUpdateSynchronizer(JSVGComponent component) Create an updateSynchronizer for the given component.

Method Summary

Methods

Modifier and Type	Method and Description
void	activate() This method is called whenever a new pending event was added.
void	addUpdateRunner(UpdateRunner updateRunner) Set an update runner to use.
protected void	makeRunnerIfNeeded() Join the runnable queue of a component.

Methods inherited from class java.lang.Object

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

Field Detail

cref

private final WeakReference<JSVGComponent> cref

A weak reference to the component the plot is in.

updaterunner

private Set<WeakReference<UpdateRunner>> updaterunner

The UpdateRunner we are put into

umadapter

private final JSVGUpdateSynchronizer.UMAdapter umadapter

Adapter to track component changes

pending

private final AtomicReference<Runnable> pending

The current Runnable scheduled, prevents repeated invocations.

Constructor Detail

JSVGUpdateSynchronizer

protected JSVGUpdateSynchronizer(JSVGComponent component)

Create an updateSynchronizer for the given component.

Parameters:

component - Component to manage updates on.

Method Detail

activate

public void activate()

Description copied from interface: UpdateSynchronizer

This method is called whenever a new pending event was added.

Specified by:

activate in interface UpdateSynchronizer

makeRunnerIfNeeded

protected void makeRunnerIfNeeded()

Join the runnable queue of a component.

addUpdateRunner

public void addUpdateRunner(UpdateRunner updateRunner)

Description copied from interface: UpdateSynchronizer

Set an update runner to use.

Specified by:

addUpdateRunner in interface UpdateSynchronizer