103 lines
2.7 KiB
C++
103 lines
2.7 KiB
C++
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//+---------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1991 - 1997.
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//
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// File: XACT.HXX
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//
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// Contents: Transaction support
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//
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// Classes: CTransaction
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//
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// History: 29-Mar-91 KyleP Created
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//
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//----------------------------------------------------------------------------
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#pragma once
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class PStorage;
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//+---------------------------------------------------------------------------
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//
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// Class: CTransaction (xact)
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//
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// Purpose: Transaction support
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//
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// Interface: CTransaction - Constructor
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// ~CTransaction - Destructor
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// GetStatus - Retrieve status
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// Commit - Set status to commit
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//
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// History:
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// 01-Apr-91 KyleP Created.
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// 23-Apr-91 KyleP Replaced sesid with CSession
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// 13-Jan-92 BartoszM Reversed logic of Commit/Abort
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// 16-Jul-92 BartoszM Removed session
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//
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// Notes: CTransaction objects must be destroyed in the opposite
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// order to their creation.
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// A transaction is created in the aborted state.
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// Unless Commit is explicitely called the destructor
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// will abort the transaction.
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//
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//----------------------------------------------------------------------------
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class CTransaction
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{
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public:
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CTransaction();
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enum TStatus
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{
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XActCommit, // Transaction is successful
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XActAbort // Transaction will be aborted
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};
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inline TStatus GetStatus();
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inline void Commit();
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protected:
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TStatus _status;
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};
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//+---------------------------------------------------------------------------
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//
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// Member: CTransaction::GetStatus., public
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//
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// Synopsis: Returns the current status of the transaction.
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//
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// Returns: XActCommit if the transaction will commit during object
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// destruction. XActAbort if the transaction will abort
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// during object destruction.
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//
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// History: 01-Apr-91 KyleP Created.
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//
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//----------------------------------------------------------------------------
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inline CTransaction::TStatus CTransaction::GetStatus()
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{
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return(_status);
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}
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//+---------------------------------------------------------------------------
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//
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// Member: CTransaction::Commit, public
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//
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// Synopsis: Set the commit/abort status of the transaction to commit.
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//
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// Effects: When the transaction object is destroyed, this transaction
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// will be committed.
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//
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// History: 13-Jan-92 BartoszM Created.
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//
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//----------------------------------------------------------------------------
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inline void CTransaction::Commit()
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{
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_status = XActCommit;
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}
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