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  • Committer: edam
  • Date: 2010-02-02 16:13:16 UTC
  • Revision ID: edam@waxworlds.org-20100202161316-tceybmdeotltldow
- print "ok" when test program is successful!
- renamed 'Makefile's 'subdir.mk' so that the edam.mk build system will live happily along side an autotools build system

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include/sqlite3cc/transaction.h
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#include <boost/utility.hpp>
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#include <string>
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namespace sqlite
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class database;
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/**
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 * A basic (default, deferred) transaction.
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 */
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class basic_transaction
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        :
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        private boost::noncopyable
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//                                                                implementation
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protected:
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        /** close any in-progress statements */
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        void invalidate_queries();
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        /** the database on which to act */
 
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        /* the database on which to act */
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        database &_database;
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};
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////////////////////////////////////////////////////////////////////////////////
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/**
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 * An exclusive transaction
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 */
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class immediate_transaction
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        :
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        public basic_transaction
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{
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//______________________________________________________________________________
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//                                                                 instantiation
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public:
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        /**
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         * Constructor that provides a database upon which to act
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         * @param database a database
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         */
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        explicit immediate_transaction(
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                database &database );
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//______________________________________________________________________________
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//                                                              public interface
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public:
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        /**
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         * Begin the transaction
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         */
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        virtual void begin();
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};
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////////////////////////////////////////////////////////////////////////////////
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/**
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 * An exclusive transaction
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 */
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class exclusive_transaction
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        :
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        public basic_transaction
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////////////////////////////////////////////////////////////////////////////////
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/**
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 * A recursive transaction, allowing transactions to be nested.
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 */
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class recursive_transaction
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        :
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        public basic_transaction
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////////////////////////////////////////////////////////////////////////////////
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/**
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 * A scope guard, or sentinel for use with one of the transaction classes.
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 */
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template< class T = basic_transaction >
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class transaction_guard
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        :
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        ~transaction_guard()
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        {
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                if( !_released ) {
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                        try {
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                                _transaction.rollback();
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                        }
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                        catch( ... ) {
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                        }
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                }
 
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                if( !_released )
 
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                        _transaction.rollback();
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        }
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//______________________________________________________________________________
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//                                                                implementation
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protected:
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        /** the transaction */
 
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        /* the transaction */
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        T _transaction;
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        /** have we released the transaction yet? */
 
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        /* have we released the transaction yet? */
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        bool _released;
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};