com.tensegrity.graph.rule.handler
Class VisualNodeOverlayIndicationHandlerRegistry

java.lang.Object
  com.tensegrity.graph.rule.handler.VisualNodeOverlayIndicationHandlerRegistry

public final class VisualNodeOverlayIndicationHandlerRegistry

extends java.lang.Object

This class is the registry for overlay-indication-handlers. It is used to register and to lookup the handlers by name.

Version:

$Id: VisualNodeOverlayIndicationHandlerRegistry.java,v 1.7 2004/04/19 13:34:18 sr Exp $

Author:

StepanRutz

See Also:

VisualNodeDropHandler

Constructor Summary

VisualNodeOverlayIndicationHandlerRegistry()
Constructs a new empty VisualNodeOverlayIndicationHandlerRegistry instance.

Method Summary

void	disable() Disables the registry.
void	enable() Enabled the registry.
VisualNodeOverlayIndicationHandler	get(java.lang.String name) Returns the handler with the given name or null if none was registered before.
void	register(java.lang.String name, VisualNodeOverlayIndicationHandler handler) Registers a new handler under the given name.
void	unregister(java.lang.String name) Unregisters a new handler under the given name.

Methods inherited from class java.lang.Object

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

Constructor Detail

VisualNodeOverlayIndicationHandlerRegistry

public VisualNodeOverlayIndicationHandlerRegistry()

Constructs a new empty VisualNodeOverlayIndicationHandlerRegistry instance.

Method Detail

get

public final VisualNodeOverlayIndicationHandler get(java.lang.String name)

Returns the handler with the given name or null if none was registered before.

Parameters:

name - id that uniquely identifies the handler.

Returns:

the found handler or null if none was found.

register

public final void register(java.lang.String name,
                           VisualNodeOverlayIndicationHandler handler)

Registers a new handler under the given name.

A potentially existing previous handler with the same name is overridden by the new handler

.

Parameters:

name - id that uniquely identifies the handler. A previous handler with the same name is overridden, this value may not be null

handler - the handler to register, this value may not be null

unregister

public final void unregister(java.lang.String name)

Unregisters a new handler under the given name.

Parameters:

name - id that uniquely identifies the handler, this value may not be null

disable

public final void disable()

Disables the registry.

enable

public final void enable()

Enabled the registry.