text: /**
   * Orthanc - A Lightweight, RESTful DICOM Store
   *
   * Copyright (C) 2012-2016 Sebastien Jodogne <s.jodogne@orthanc-labs.com>,
   * Medical Physics Department, CHU of Liege, Belgium
   *
   * Copyright (c) 2012 The Chromium Authors. All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions are
   * met:
   *
   *    * Redistributions of source code must retain the above copyright
   * notice, this list of conditions and the following disclaimer.
   *    * Redistributions in binary form must reproduce the above
   * copyright notice, this list of conditions and the following disclaimer
   * in the documentation and/or other materials provided with the
   * distribution.
   *    * Neither the name of Google Inc., the name of the CHU of Liege,
   * nor the names of its contributors may be used to endorse or promote
   * products derived from this software without specific prior written
   * permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
   * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
   * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   **/
  
  
  #if ORTHANC_SQLITE_STANDALONE != 1
  #include "../PrecompiledHeaders.h"
  #endif
  
  #include "Transaction.h"
  #include "OrthancSQLiteException.h"
  
  namespace Orthanc
  {
    namespace SQLite
    {
      Transaction::Transaction(Connection& connection) :
        connection_(connection),
        isOpen_(false)
      {
      }
  
      Transaction::~Transaction()
      {
        if (isOpen_)
        {
          connection_.RollbackTransaction();
        }
      }
  
      void Transaction::Begin()
      {
        if (isOpen_) 
        {
          throw OrthancSQLiteException(ErrorCode_SQLiteTransactionAlreadyStarted);
        }
  
        isOpen_ = connection_.BeginTransaction();
        if (!isOpen_)
        {
          throw OrthancSQLiteException(ErrorCode_SQLiteTransactionBegin);
        }
      }
  
      void Transaction::Rollback() 
      {
        if (!isOpen_) 
        {
          throw OrthancSQLiteException(ErrorCode_SQLiteRollbackWithoutTransaction);
        }
  
        isOpen_ = false;
  
        connection_.RollbackTransaction();
      }
  
      void Transaction::Commit() 
      {
        if (!isOpen_) 
        {
          throw OrthancSQLiteException(ErrorCode_SQLiteRollbackWithoutTransaction);
        }
  
        isOpen_ = false;
  
        if (!connection_.CommitTransaction())
        {
          throw OrthancSQLiteException(ErrorCode_SQLiteTransactionCommit);
        }
      }
    }
  }
  