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// **********************************************************************
//
// Copyright (c) 2003-2007 ZeroC, Inc. All rights reserved.
//
// This copy of Ice is licensed to you under the terms described in the
// ICE_LICENSE file included in this distribution.
//
// **********************************************************************
#include <Freeze/TransactionI.h>
#include <Freeze/ConnectionI.h>
#include <Freeze/Exception.h>
#include <Freeze/Initialize.h>
#include <Ice/LoggerUtil.h>
using namespace std;
using namespace Ice;
DbTxn*
Freeze::getTxn(const Freeze::TransactionPtr& tx)
{
return dynamic_cast<Freeze::TransactionI*>(tx.get())->dbTxn();
}
void
Freeze::TransactionI::commit()
{
assert(_txn != 0);
long txnId = 0;
try
{
_connection->closeAllIterators();
if(_txTrace >= 1)
{
txnId = (_txn->id() & 0x7FFFFFFF) + 0x80000000L;
}
_txn->commit(0);
if(_txTrace >= 1)
{
Trace out(_connection->communicator()->getLogger(), "Freeze.Map");
out << "committed transaction " << hex << txnId << dec;
}
}
catch(const ::DbDeadlockException& dx)
{
if(_txTrace >= 1)
{
Trace out(_connection->communicator()->getLogger(), "Freeze.Map");
out << "failed to commit transaction " << hex << txnId << dec << ": " << dx.what();
}
cleanup();
DeadlockException ex(__FILE__, __LINE__);
ex.message = dx.what();
throw ex;
}
catch(const ::DbException& dx)
{
if(_txTrace >= 1)
{
Trace out(_connection->communicator()->getLogger(), "Freeze.Map");
out << "failed to commit transaction " << hex << txnId << dec << ": " << dx.what();
}
cleanup();
DatabaseException ex(__FILE__, __LINE__);
ex.message = dx.what();
throw ex;
}
cleanup();
}
void
Freeze::TransactionI::rollback()
{
assert(_txn != 0);
long txnId = 0;
try
{
_connection->closeAllIterators();
if(_txTrace >= 1)
{
txnId = (_txn->id() & 0x7FFFFFFF) + 0x80000000L;
}
_txn->abort();
if(_txTrace >= 1)
{
Trace out(_connection->communicator()->getLogger(), "Freeze.Map");
out << "rolled back transaction " << hex << txnId << dec;
}
}
catch(const ::DbDeadlockException& dx)
{
if(_txTrace >= 1)
{
Trace out(_connection->communicator()->getLogger(), "Freeze.Map");
out << "failed to rollback transaction " << hex << txnId << dec << ": " << dx.what();
}
cleanup();
DeadlockException ex(__FILE__, __LINE__);
ex.message = dx.what();
throw ex;
}
catch(const ::DbException& dx)
{
if(_txTrace >= 1)
{
Trace out(_connection->communicator()->getLogger(), "Freeze.Map");
out << "failed to rollback transaction " << hex << txnId << dec << ": " << dx.what();
}
cleanup();
DatabaseException ex(__FILE__, __LINE__);
ex.message = dx.what();
throw ex;
}
cleanup();
}
Freeze::TransactionI::TransactionI(ConnectionI* connection) :
_connection(connection),
_txTrace(connection->txTrace()),
_txn(0)
{
try
{
_connection->dbEnv()->getEnv()->txn_begin(0, &_txn, 0);
if(_txTrace >= 1)
{
long txnId = (_txn->id() & 0x7FFFFFFF) + 0x80000000L;
Trace out(_connection->communicator()->getLogger(), "Freeze.Map");
out << "started transaction " << hex << txnId << dec;
}
}
catch(const ::DbException& dx)
{
if(_txTrace >= 1)
{
Trace out(_connection->communicator()->getLogger(), "Freeze.Map");
out << "failed to start transaction: " << dx.what();
}
DatabaseException ex(__FILE__, __LINE__);
ex.message = dx.what();
throw ex;
}
}
Freeze::TransactionI::~TransactionI()
{
if(_txn != 0)
{
rollback();
}
}
void
Freeze::TransactionI::cleanup()
{
_connection->clearTransaction();
_connection = 0;
_txn = 0;
}
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