bdb_trans.cpp
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- /*
- * ===========================================================================
- * PRODUCTION $Log: bdb_trans.cpp,v $
- * PRODUCTION Revision 1000.1 2004/06/01 18:37:34 gouriano
- * PRODUCTION PRODUCTION: UPGRADED [GCC34_MSVC7] Dev-tree R1.3
- * PRODUCTION
- * ===========================================================================
- */
- /* $Id: bdb_trans.cpp,v 1000.1 2004/06/01 18:37:34 gouriano Exp $
- * ===========================================================================
- *
- * PUBLIC DOMAIN NOTICE
- * National Center for Biotechnology Information
- *
- * This software/database is a "United States Government Work" under the
- * terms of the United States Copyright Act. It was written as part of
- * the author's official duties as a United States Government employee and
- * thus cannot be copyrighted. This software/database is freely available
- * to the public for use. The National Library of Medicine and the U.S.
- * Government have not placed any restriction on its use or reproduction.
- *
- * Although all reasonable efforts have been taken to ensure the accuracy
- * and reliability of the software and data, the NLM and the U.S.
- * Government do not and cannot warrant the performance or results that
- * may be obtained by using this software or data. The NLM and the U.S.
- * Government disclaim all warranties, express or implied, including
- * warranties of performance, merchantability or fitness for any particular
- * purpose.
- *
- * Please cite the author in any work or product based on this material.
- *
- * ===========================================================================
- *
- * Author: Anatoliy Kuznetsov
- *
- * File Description: BDB libarary transaction class implementation.
- *
- */
- #include <ncbi_pch.hpp>
- #include <bdb/bdb_trans.hpp>
- #include <bdb/bdb_file.hpp>
- #include <db.h>
- BEGIN_NCBI_SCOPE
- CBDB_Transaction::CBDB_Transaction(CBDB_Env& env)
- : m_Env(env),
- m_Txn(0)
- {}
- CBDB_Transaction::~CBDB_Transaction()
- {
- if (m_Txn) { // Active transaction is in progress
- x_Abort(true); // Abort - ignore errors (no except. from constructor)
- }
- NON_CONST_ITERATE(vector<CBDB_RawFile*>, it, m_TransFiles) {
- CBDB_RawFile* dbfile = *it;
- dbfile->x_RemoveTransaction(this);
- }
- }
- DB_TXN* CBDB_Transaction::GetTxn()
- {
- if (m_Env.IsTransactional()) {
- if (m_Txn == 0) {
- m_Txn = m_Env.CreateTxn(0, 0);
- }
- }
- return m_Txn;
- }
- void CBDB_Transaction::Commit()
- {
- if (m_Txn) {
- int ret = m_Txn->commit(m_Txn, DB_TXN_SYNC);
- m_Txn = 0;
- BDB_CHECK(ret, "DB_TXN::commit");
- }
- }
- void CBDB_Transaction::Abort()
- {
- x_Abort(false); // abort with full error processing
- }
- void CBDB_Transaction::x_Abort(bool ignore_errors)
- {
- if (m_Txn) {
- int ret = m_Txn->abort(m_Txn);
- m_Txn = 0;
- if (!ignore_errors) {
- BDB_CHECK(ret, "DB_TXN::abort");
- }
- }
- }
- void CBDB_Transaction::AddFile(CBDB_RawFile* dbfile)
- {
- m_TransFiles.push_back(dbfile);
- }
- void CBDB_Transaction::RemoveFile(CBDB_RawFile* dbfile)
- {
- NON_CONST_ITERATE(vector<CBDB_RawFile*>, it, m_TransFiles) {
- if (dbfile == *it) {
- m_TransFiles.erase(it);
- break;
- }
- }
- }
- END_NCBI_SCOPE
- /*
- * ===========================================================================
- * $Log: bdb_trans.cpp,v $
- * Revision 1000.1 2004/06/01 18:37:34 gouriano
- * PRODUCTION: UPGRADED [GCC34_MSVC7] Dev-tree R1.3
- *
- * Revision 1.3 2004/05/17 20:55:11 gorelenk
- * Added include of PCH ncbi_pch.hpp
- *
- * Revision 1.2 2003/12/16 13:44:47 kuznets
- * Added disconnect call to dependent file objects when transaction closes.
- *
- * Revision 1.1 2003/12/10 19:10:09 kuznets
- * Initial revision
- *
- *
- * ===========================================================================
- */