org.refcodes.component

Interface HandleDirectory<H,REF>

Type Parameters:

H - The handle used by the HandleDirectory.

REF - The type of the objects to which the handles reference to.

All Superinterfaces:

HandleLookup<H,REF>

public interface HandleDirectory<H,REF>
extends HandleLookup<H,REF>

The handle directory enables listing of all known data managed by the implementing component.

Method Summary

Modifier and Type	Method and Description
<T extends REF> Collection<T>	handleReferences() Retrieves a list of all known objects for which there is a handle.
Set<H>	handles() Retrieves a list of all known handles managed by the implementing component.

Methods inherited from interface org.refcodes.component.HandleLookup

hasHandle, lookupHandle, removeHandle

Method Detail

handles

Set<H> handles()

Retrieves a list of all known handles managed by the implementing component.

Returns:

The list of the handles known by the implementing component.

handleReferences

<T extends REF> Collection<T> handleReferences()

Retrieves a list of all known objects for which there is a handle.

Returns:

The list of the objects managed by a handle. As of convenience, the type of the reference returned. CAUTION: The type being a sub-type of has the drawback that in case you specify a sub-type of (), you may end up with a class cast exception in case you do not make sure that the handle references the expected type .