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Eclipse Platform
Release 3.5

Interface IWidgetTokenOwnerExtension

All Known Implementing Classes:
ProjectionViewer, SourceViewer, TextConsoleViewer, TextViewer

public interface IWidgetTokenOwnerExtension

Extension interface for IWidgetTokenOwner.

Replaces the original requestWidgetToken functionality with a new priority based approach.


Method Summary
 boolean requestWidgetToken ( IWidgetTokenKeeper requester, int priority)
          Requests the widget token from this token owner.

Method Detail


boolean requestWidgetToken(
IWidgetTokenKeeper requester,
                           int priority)
Requests the widget token from this token owner. Returns true if the token has been acquired or is already owned by the requester. This method is non-blocking.

priority is forwarded to any existing token keeper to give it an estimate on whether the request has higher priority than the current keeper's. There is, however, no guarantee that another keeper will release the token even if it has a high priority.

requester - the token requester
priority - the priority of the request
true if requester acquires the token, false otherwise

Eclipse Platform
Release 3.5

Guidelines for using Eclipse APIs.

Copyright (c) Eclipse contributors and others 2000, 2008. All rights reserved.

  Published under the terms of the Eclipse Public License Version 1.0 ("EPL") Design by Interspire