# transaction.hxx

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    00001 /*-------------------------------------------------------------------------
    00002  *
    00003  *   FILE
    00004  *      pqxx/transaction.hxx
    00005  *
    00006  *   DESCRIPTION
    00007  *      definition of the pqxx::transaction class.
    00008  *   pqxx::transaction represents a standard database transaction
    00009  *   DO NOT INCLUDE THIS FILE DIRECTLY; include pqxx/transaction instead.
    00010  *
    00011  * Copyright (c) 2001-2006, Jeroen T. Vermeulen <jtv@xs4all.nl>
    00012  *
    00013  * See COPYING for copyright license.  If you did not receive a file called
    00014  * COPYING with this source code, please notify the distributor of this mistake,
    00015  * or contact the author.
    00016  *
    00017  *-------------------------------------------------------------------------
    00018  */
    00019 #include "pqxx/compiler-public.hxx"
    00020 #include "pqxx/compiler-internal-pre.hxx"
    00021
    00022 #include "pqxx/dbtransaction"
    00023
    00024
    00025
    00026 /* Methods tested in eg. self-test program test1 are marked with "//[t1]"
    00027  */
    00028
    00029
    00030 namespace pqxx
    00031 {
    00032
    00037
    00038 class PQXX_LIBEXPORT basic_transaction : public dbtransaction
    00039 {
    00040 protected:
    00041   basic_transaction(connection_base &C,
    00042                              const PGSTD::string &IsolationLevel);      //[t1]
    00043
    00044 private:
    00045   virtual void do_commit();                                             //[t1]
    00046 };
    00047
    00048
    00050
    00078 template<isolation_level ISOLATIONLEVEL=read_committed>
    00079 class transaction : public basic_transaction
    00080 {
    00081 public:
    00082   typedef isolation_traits<ISOLATIONLEVEL> isolation_tag;
    00083
    00085
    00090   explicit transaction(connection_base &C, const PGSTD::string &TName): //[t1]
    00091     namedclass(fullname("transaction",isolation_tag::name()), TName),
    00092     basic_transaction(C, isolation_tag::name())
    00093         { Begin(); }
    00094
    00095   explicit transaction(connection_base &C) :                            //[t1]
    00096     namedclass(fullname("transaction",isolation_tag::name())),
    00097     basic_transaction(C, isolation_tag::name())
    00098         { Begin(); }
    00099
    00100   virtual ~transaction() throw ()
    00101   {
    00102 #ifdef PQXX_QUIET_DESTRUCTORS
    00103     internal::disable_noticer Quiet(conn());
    00104 #endif
    00105     End();
    00106   }
    00107 };
    00108
    00109
    00111 typedef transaction<> work;
    00112
    00114
    00115 }
    00116
    00117
    00118 #include "pqxx/compiler-internal-post.hxx"