Package org.eclipse.core.commands.common

Class HandleObjectManager<T extends NamedHandleObject>

java.lang.Object

org.eclipse.core.commands.common.EventManager

org.eclipse.core.commands.common.HandleObjectManager<T>

Type Parameters:

T - The type of handled objects

Direct Known Subclasses:

BindingManager, CommandManager, ContextManager

public abstract class HandleObjectManager<T extends NamedHandleObject>
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

Fields

Modifier and Type	Field	Description
protected final Set<T>	definedHandleObjects	The set of handle objects that are defined.
protected final Map<String,T>	handleObjectsById	The map of identifiers (String) to handle objects ( HandleObject).

Constructor Summary

Constructors

Constructor	Description
HandleObjectManager()

Method Summary

Modifier and Type	Method	Description
protected final void	checkId(String id)	Verifies that the identifier is valid.
protected final 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 Details

definedHandleObjects

protected final Set<T extends NamedHandleObject> definedHandleObjects

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

handleObjectsById

protected final Map<String,T extends NamedHandleObject> handleObjectsById

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

Constructor Details

HandleObjectManager

public HandleObjectManager()

Method Details

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.

Parameters:

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.

Returns:

The set of defined handle object identifiers; this value may be empty, but it is never null.