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/*-
* See the file LICENSE for redistribution information.
*
* Copyright (c) 1997, 1998, 1999, 2000
* Sleepycat Software. All rights reserved.
*/
#include "db_config.h"
#ifndef lint
static const char revid[] = "$Id: cxx_txn.cpp,v 11.13 2000/12/21 16:24:33 dda Exp $";
#endif /* not lint */
#include <errno.h>
#include "db_cxx.h"
#include "cxx_int.h"
////////////////////////////////////////////////////////////////////////
// //
// DbTxnMgr //
// //
////////////////////////////////////////////////////////////////////////
int DbEnv::txn_begin(DbTxn *pid, DbTxn **tid, u_int32_t flags)
{
int err;
DB_ENV *env = unwrap(this);
DB_TXN *txn;
if ((err = ::txn_begin(env, unwrap(pid), &txn, flags)) != 0) {
DB_ERROR("DbEnv::txn_begin", err, error_policy());
return (err);
}
DbTxn *result = new DbTxn();
result->imp_ = wrap(txn);
*tid = result;
return (err);
}
int DbEnv::txn_checkpoint(u_int32_t kbyte, u_int32_t min, u_int32_t flags)
{
int err;
DB_ENV *env = unwrap(this);
if ((err = ::txn_checkpoint(env, kbyte, min, flags)) != 0 &&
err != DB_INCOMPLETE) {
DB_ERROR("DbEnv::txn_checkpoint", err, error_policy());
return (err);
}
return (err);
}
int DbEnv::txn_stat(DB_TXN_STAT **statp, db_malloc_fcn_type db_malloc_fcn)
{
int err;
DB_ENV *env = unwrap(this);
if ((err = ::txn_stat(env, statp, db_malloc_fcn)) != 0) {
DB_ERROR("DbEnv::txn_stat", err, error_policy());
return (err);
}
return (err);
}
////////////////////////////////////////////////////////////////////////
// //
// DbTxn //
// //
////////////////////////////////////////////////////////////////////////
DbTxn::DbTxn()
: imp_(0)
{
}
DbTxn::~DbTxn()
{
}
int DbTxn::abort()
{
int err;
DB_TXN *txn;
txn = unwrap(this);
err = txn_abort(txn);
// It may seem weird to delete this, but is legal as long
// as we don't access any of its data before returning.
//
delete this;
if (err != 0)
DB_ERROR("DbTxn::abort", err, ON_ERROR_UNKNOWN);
return (err);
}
int DbTxn::commit(u_int32_t flags)
{
int err;
DB_TXN *txn;
txn = unwrap(this);
err = txn_commit(txn, flags);
// It may seem weird to delete this, but is legal as long
// as we don't access any of its data before returning.
//
delete this;
if (err != 0)
DB_ERROR("DbTxn::commit", err, ON_ERROR_UNKNOWN);
return (err);
}
u_int32_t DbTxn::id()
{
DB_TXN *txn;
txn = unwrap(this);
return (txn_id(txn)); // no error
}
int DbTxn::prepare()
{
int err;
DB_TXN *txn;
txn = unwrap(this);
if ((err = txn_prepare(txn)) != 0) {
DB_ERROR("DbTxn::prepare", err, ON_ERROR_UNKNOWN);
return (err);
}
return (0);
}
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