Eclipse Platform
Release 3.2

org.eclipse.core.commands.common
Class HandleObjectManager

java.lang.Object
  extended byorg.eclipse.core.commands.common.EventManager
      extended byorg.eclipse.core.commands.common.HandleObjectManager
Direct Known Subclasses:
BindingManager, CommandManager, ContextManager

public abstract class HandleObjectManager
extends EventManager

* A manager of HandleObject instances. This has some common behaviour * which is shared between all such managers. *

*

* Clients may extend. *

* * @since 3.2


Field Summary
protected  Set definedHandleObjects
          The set of handle objects that are defined.
protected  Map handleObjectsById
          The map of identifiers (String) to handle objects ( * HandleObject).
 
Constructor Summary
HandleObjectManager()
           
 
Method Summary
protected  void checkId(String id)
          Verifies that the identifier is valid.
protected  Set getDefinedHandleObjectIds()
          Returns the set of identifiers for those handle objects that are defined
 
Methods inherited from class org.eclipse.core.commands.common.EventManager
addListenerObject, clearListeners, getListeners, isListenerAttached, removeListenerObject
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

definedHandleObjects

protected final Set definedHandleObjects
The set of handle objects that are defined. This value may be empty, but * it is never null.


handleObjectsById

protected final Map handleObjectsById
The map of identifiers (String) to handle objects ( * HandleObject). This collection may be empty, but it is * never null.

Constructor Detail

HandleObjectManager

public HandleObjectManager()
Method Detail

checkId

protected final void checkId(String id)
Verifies that the identifier is valid. Exceptions will be thrown if the * identifier is invalid in some way. * * @param id * The identifier to validate; may be anything.


getDefinedHandleObjectIds

protected final Set getDefinedHandleObjectIds()
Returns the set of identifiers for those handle objects that are defined. * * @return The set of defined handle object identifiers; this value may be * empty, but it is never null.


Eclipse Platform
Release 3.2

Guidelines for using Eclipse APIs.

Copyright (c) IBM Corp. and others 2000, 2006. All rights reserved.