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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#ifndef SD_ASYNCHRONOUS_TASK_HXX
#define SD_ASYNCHRONOUS_TASK_HXX
namespace sd { namespace tools {
/** Interface for the asynchronous execution of a task. This interface
allows an controller to run the task either timer based with a fixed
amount of time between the steps or thread based one step right after
the other.
*/
class AsynchronousTask
{
public:
/** Run the next step of the task. After HasNextStep() returns false
this method should ignore further calls.
*/
virtual void RunNextStep (void) = 0;
/** Return <TRUE/> when there is at least one more step to execute.
When the task has been executed completely then <FALSE/> is
returned.
*/
virtual bool HasNextStep (void) = 0;
};
} } // end of namespace ::sd::tools
#endif
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