Security-57031.1.35.tar.gz

[apple/security.git] / libsecurity_utilities / lib / transactions.h

diff --git a/libsecurity_utilities/lib/transactions.h b/libsecurity_utilities/lib/transactions.h
deleted file mode 100644 (file)
index 95cec2c..0000000
--- a/libsecurity_utilities/lib/transactions.h
+++ /dev/null
@@ -1,107 +0,0 @@
-/*
- * Copyright (c) 2004 Apple Computer, Inc. All Rights Reserved.
- * 
- * @APPLE_LICENSE_HEADER_START@
- * 
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
- * 
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
- * 
- * @APPLE_LICENSE_HEADER_END@
- */
-
-
-//
-// transactions - generic transaction frame support
-//
-#ifndef _H_TRANSACTIONS
-#define _H_TRANSACTIONS
-
-#include <security_utilities/utilities.h>
-#include <security_utilities/debugging.h>
-
-
-namespace Security {
-
-
-//
-// Implementation base class. Do not use directly.
-//
-class TransactionBase {
-public:
-       // what happens if this object gets destroyed?
-       enum Outcome {
-               successful,                                             // succeeds as set
-               cancelled,                                              // cancelled (rolled back)
-               conditional                                             // succeeds normally, cancelled on exception
-       };
-       
-public:
-    virtual ~TransactionBase();
-       
-       void outcome(Outcome oc)        { mOutcome = oc; }
-       Outcome outcome() const         { return mOutcome; }
-
-protected:
-       TransactionBase(Outcome outcome) : mOutcome(outcome) { }
-
-       Outcome finalOutcome() const;
-
-private:
-       Outcome mOutcome;                                       // current outcome setting
-};
-
-
-//
-// A ManagedTransaction will call methods begin() and end() on the Carrier object
-// it belongs to, and manage the "outcome" state and semantics automatically.
-// You would usually subclass this, though the class is complete in itself if you
-// need nothing else out of your transaction objects.
-//
-template <class Carrier>
-class ManagedTransaction : public TransactionBase {
-public:
-       ManagedTransaction(Carrier &carrier, Outcome outcome = conditional)
-               : TransactionBase(outcome), mCarrier(carrier)
-       {
-               carrier.begin();
-       }
-       
-       ~ManagedTransaction()
-       {
-               switch (finalOutcome()) {
-               case successful:
-                       this->commitAction();
-                       break;
-               case cancelled:
-                       this->cancelAction();
-                       break;
-               default:
-                       assert(false);
-                       break;
-               }
-       }
-
-protected:
-       virtual void commitAction()             { mCarrier.end(); }
-       virtual void cancelAction()             { mCarrier.cancel(); }
-
-       Carrier &mCarrier;
-};
-
-
-}      // end namespace Security
-
-
-#endif //_H_TRANSACTIONS