114 lines
3 KiB
C++
114 lines
3 KiB
C++
//////////////////////////////////////////////////////////////////////////////
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//
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// Copyright (c) 1999-2000 Microsoft Corporation
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//
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// Module Name:
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// CAction.cpp
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//
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// Description:
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// Contains the definition of the CAction class.
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//
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// Documentation:
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// TODO: Add pointer to external documentation later.
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//
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// Maintained By:
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// Vij Vasu (Vvasu) 25-APR-2000
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//
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//////////////////////////////////////////////////////////////////////////////
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//////////////////////////////////////////////////////////////////////////////
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// Include Files
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//////////////////////////////////////////////////////////////////////////////
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// The precompiled header.
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#include "pch.h"
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// For the CAction class
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#include "CAction.h"
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//////////////////////////////////////////////////////////////////////////////
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//++
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//
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// void
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// CAction::Commit( void )
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//
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// Description:
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// This function just checks to make sure that this action has not already
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// been commmitted.
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//
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// Arguments:
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// None.
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//
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// Return Value:
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// None.
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//
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// Exceptions Thrown:
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// CAssert
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// If the action has already been committed.
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//
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//--
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//////////////////////////////////////////////////////////////////////////////
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void
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CAction::Commit( void )
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{
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BCATraceScope( "" );
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// Has this action already been committed?
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if ( FIsCommitComplete() )
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{
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BCATraceMsg( "This action has already been committed. Throwing exception." );
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THROW_ASSERT( E_UNEXPECTED, "This action has already been committed." );
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} // if: already committed.
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} //*** CAction::Commit()
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//////////////////////////////////////////////////////////////////////////////
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//++
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//
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// void
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// CAction::Rollback( void )
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//
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// Description:
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// Since the Commit() of this class does nothing, rollback does nothing
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// too. However, it checks to make sure that this action can indeed be
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// rolled back.
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//
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// Arguments:
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// None.
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//
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// Return Value:
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// None.
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//
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// Exceptions Thrown:
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// CAssert
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// If this action has not been committed yet or if rollback is not
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// possible.
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//
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//--
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//////////////////////////////////////////////////////////////////////////////
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void
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CAction::Rollback( void )
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{
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BCATraceScope( "" );
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// Check if this action list has completed successfully.
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if ( !FIsCommitComplete() )
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{
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// Cannot rollback an incomplete action.
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BCATraceMsg( "Cannot rollback - this action has not been committed. Throwing exception." );
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THROW_ASSERT( E_UNEXPECTED, "Cannot rollback - this action has been committed." );
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} // if: this action was not completed successfully
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// Check if this list can be rolled back.
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if ( !FIsRollbackPossible() )
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{
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// Cannot rollback an incompleted action.
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BCATraceMsg( "This action list cannot be rolled back." );
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THROW_ASSERT( E_UNEXPECTED, "This action does not allow rollbacks." );
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} // if: this action was not completed successfully
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} //*** CAction::Rollback()
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