com.tensegrity.graph.rule.handler
Class VisualSubgraphRemoveHandlerRegistry

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

public final class VisualSubgraphRemoveHandlerRegistry

extends java.lang.Object

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

Version:

$Id: VisualSubgraphRemoveHandlerRegistry.java,v 1.11 2005/10/31 09:25:53 MichaelKegel Exp $

Author:

StepanRutz

See Also:

VisualNodeDropHandler

Constructor Summary

VisualSubgraphRemoveHandlerRegistry()
Constructs a new empty VisualSubgraphRemoveHandlerRegistry instance.

Method Summary

void	disable() Disables the registry.
void	enable() Enabled the registry.
VisualSubgraphRemoveHandler	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, VisualSubgraphRemoveHandler 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

VisualSubgraphRemoveHandlerRegistry

public VisualSubgraphRemoveHandlerRegistry()

Constructs a new empty VisualSubgraphRemoveHandlerRegistry instance.

Method Detail

get

public final VisualSubgraphRemoveHandler 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,
                           VisualSubgraphRemoveHandler 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.