org.jboss.gravia.resource

Interface Attachable

All Known Subinterfaces:

Resource

All Known Implementing Classes:

AbstractResource, AttachableSupport, DefaultResource

public interface Attachable

Adds attachment support

Since:

02-Jul-2010

Author:

thomas.diesler@jboss.com

Method Summary

Modifier and Type	Method and Description
<T> T	getAttachment(AttachmentKey<T> key) Get the attached object for a given key
<T> boolean	hasAttachment(AttachmentKey<T> key) True if there is an attached object for a given key
<T> T	putAttachment(AttachmentKey<T> key, T value) Attach an arbirtary object with this element.
<T> T	removeAttachment(AttachmentKey<T> key) Remove an attached object for a given key

Method Detail

putAttachment

<T> T putAttachment(AttachmentKey<T> key,
                    T value)

Attach an arbirtary object with this element.

Returns:

The previously attachment object or null

hasAttachment

<T> boolean hasAttachment(AttachmentKey<T> key)

True if there is an attached object for a given key

getAttachment

<T> T getAttachment(AttachmentKey<T> key)

Get the attached object for a given key

Returns:

The attached object or null

removeAttachment

<T> T removeAttachment(AttachmentKey<T> key)

Remove an attached object for a given key

Returns:

The attached object or null