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// file : odb/transaction.cxx
// author : Boris Kolpackov <boris@codesynthesis.com>
// copyright : Copyright (c) 2009-2011 Code Synthesis Tools CC
// license : GNU GPL v2; see accompanying LICENSE file
#include <odb/transaction.hxx>
#include <odb/exceptions.hxx>
#include <odb/details/tls.hxx>
namespace odb
{
using namespace details;
//
// transaction
//
static ODB_TLS_POINTER (transaction) current_transaction;
transaction::
transaction (transaction_impl* impl, bool make_current)
: finalized_ (false), impl_ (impl)
{
if (make_current && tls_get (current_transaction) != 0)
throw already_in_transaction ();
impl_->start ();
if (make_current)
tls_set (current_transaction, this);
}
transaction::
~transaction ()
{
if (!finalized_)
{
try
{
rollback ();
}
catch (...)
{
}
}
delete impl_;
}
bool transaction::
has_current ()
{
return tls_get (current_transaction) != 0;
}
transaction& transaction::
current ()
{
transaction* cur (tls_get (current_transaction));
if (cur == 0)
throw not_in_transaction ();
return *cur;
}
void transaction::
current (transaction& t)
{
tls_set (current_transaction, &t);
}
void transaction::
reset_current ()
{
transaction* t (0);
tls_set (current_transaction, t);
}
void transaction::
commit ()
{
if (finalized_)
throw transaction_already_finalized ();
finalized_ = true;
impl_->connection ().transaction_tracer_ = 0;
if (tls_get (current_transaction) == this)
{
transaction* t (0);
tls_set (current_transaction, t);
}
impl_->commit ();
}
void transaction::
rollback ()
{
if (finalized_)
throw transaction_already_finalized ();
finalized_ = true;
impl_->connection ().transaction_tracer_ = 0;
if (tls_get (current_transaction) == this)
{
transaction* t (0);
tls_set (current_transaction, t);
}
impl_->rollback ();
}
//
// transaction_impl
//
transaction_impl::
~transaction_impl ()
{
}
}
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