com.tensegrity.graph.rule.handler
Class VisualNodeDropHandlerRegistry

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

public final class VisualNodeDropHandlerRegistry

extends java.lang.Object

This class is the registry for node drop handlers. It is used to register and to lookup the handlers by name.

Version:

$Id: VisualNodeDropHandlerRegistry.java,v 1.12 2004/06/30 11:46:22 sr Exp $

Author:

StepanRutz

See Also:

VisualNodeDropHandler

Constructor Summary

VisualNodeDropHandlerRegistry()
Constructs a new empty VisualNodeDropHandlerRegistry instance.

Method Summary

void	disable() Disables the registry.
void	enable() Enables the registry.
VisualNodeDropHandler	get(java.lang.String name) Returns the handler with the given name or null if none was registered before.
boolean	isEnabled() Returns true if the registry is enabled, otherwise false.
void	register(java.lang.String name, VisualNodeDropHandler 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

VisualNodeDropHandlerRegistry

public VisualNodeDropHandlerRegistry()

Constructs a new empty VisualNodeDropHandlerRegistry instance.

Method Detail

get

public final VisualNodeDropHandler 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, this value may not be null

Returns:

the found handler or null if none was found.

register

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

Enables the registry.

isEnabled

public final boolean isEnabled()

Returns true if the registry is enabled, otherwise false.

Returns:

true if the registry is enabled, otherwise false.