/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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* file , You can obtain one at http : //mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice :
*
* Licensed to the Apache Software Foundation ( ASF ) under one or more
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#ifndef INCLUDED_SW_SOURCE_CORE_INC_OBSERVABLETHREAD_HXX
#define INCLUDED_SW_SOURCE_CORE_INC_OBSERVABLETHREAD_HXX
#include <osl/thread.hxx>
#include <osl/interlck.h>
#include <salhelper/simplereferenceobject.hxx>
#include <memory>
class IFinishedThreadListener;
/** class for an observable thread
OD 2007 - 01 - 29 # i73788 #
Note : A thread is ref - counted . Thus , an instance of a derived class has to
to be hold via a reference . The thread itself assures during its execution ,
that the ref - count is increased . Its execution starts with its < run ( ) > method
and ends with its < onTerminated ( ) > method .
Note : A thread can be only observed by one or none thread observer in order
to notify , that the thread has finished its work .
*/
class ObservableThread : public osl::Thread,
public salhelper::SimpleReferenceObject
{
public :
virtual ~ObservableThread() override;
void SetListener( std::weak_ptr< IFinishedThreadListener > const & pThreadListener,
const oslInterlockedCount nThreadID );
// resolve ambiguity
using SimpleReferenceObject::operator new ;
using SimpleReferenceObject::operator delete ;
protected :
ObservableThread();
/** intrinsic function of the thread
Important note :
Do not override this method again . Instead override < threadFunction ( ) > .
Otherwise , it ' s not guaranteed , that its ref - count is increased
during the execution of the thread .
*/
virtual void SAL_CALL run() override;
virtual void threadFunction() = 0 ;
/** method called, when thread has finished its work
Important note :
Do not override this method again . Instead override < threadFinished ( ) > .
Otherwise , it ' s not guaranteed , that the ref - count is decreased at
the end of its execution and that the observer is notified , that
the thread has finished its work .
*/
virtual void SAL_CALL onTerminated() override;
private :
oslInterlockedCount mnThreadID;
std::weak_ptr< IFinishedThreadListener > mpThreadListener;
};
#endif
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