/****************************************************************************
**
** https://www.qxorm.com/
** Copyright (C) 2013 XDL Team (ic-east.com)
**
** This file is part of the QxOrm library
**
** This software is provided 'as-is', without any express or implied
** warranty. In no event will the authors be held liable for any
** damages arising from the use of this software
**
** Commercial Usage
** Licensees holding valid commercial QxOrm licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and XDL Team
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file 'license.gpl3.txt' included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met : http://www.gnu.org/copyleft/gpl.html
**
** If you are unsure which license is appropriate for your use, or
** if you have questions regarding the use of this file, please contact :
** ic-east.com
**
****************************************************************************/

#include <QxPrecompiled.h>

#include <QxSerialize/QxSerializeCheckInstance.h>

#include <QxDao/QxSqlRelationLinked.h>

#include <QxRegister/IxClass.h>

#include <QxMemLeak/mem_leak.h>

namespace qx
{
   namespace serialization
   {
      namespace helper
      {

         QSet<QPair<Qt::HANDLE, QPair<qptrdiff, qx::IxClass *>>> QxSerializeCheckInstance::m_lstInstanceByThread;
         QHash<Qt::HANDLE, int> QxSerializeCheckInstance::m_hashLevelByThread;
         QHash<Qt::HANDLE, QxSerializeCheckInstance::type_hierarchy> QxSerializeCheckInstance::m_hashHierarchyByThread;
         QMutex QxSerializeCheckInstance::m_mutex;

         QxSerializeCheckInstance::QxSerializeCheckInstance(const void *pInstance, qx::IxClass *pClass) : m_pInstance(0), m_lThreadId(0), m_pClass(pClass)
         {
            QMutexLocker locker(&m_mutex);
            m_pInstance = reinterpret_cast<qptrdiff>(const_cast<void *>(pInstance));
            m_lThreadId = QThread::currentThreadId();
            qAssert(m_pInstance != 0);
            m_lstInstanceByThread.insert(qMakePair(m_lThreadId, qMakePair(m_pInstance, m_pClass)));
            int iLevel = (m_hashLevelByThread.value(m_lThreadId, 0) + 1);
            m_hashLevelByThread.insert(m_lThreadId, iLevel);
         }

         QxSerializeCheckInstance::~QxSerializeCheckInstance()
         {
            QMutexLocker locker(&m_mutex);
            m_lstInstanceByThread.remove(qMakePair(m_lThreadId, qMakePair(m_pInstance, m_pClass)));
            int iLevel = (m_hashLevelByThread.value(m_lThreadId, 0) - 1);
            m_hashLevelByThread.insert(m_lThreadId, iLevel);
            if (iLevel <= 0)
            {
               m_hashHierarchyByThread.remove(m_lThreadId);
            }
         }

         bool QxSerializeCheckInstance::contains(const void *pInstance, qx::IxClass *pClass)
         {
            QMutexLocker locker(&m_mutex);
            Qt::HANDLE lCurrThreadId = QThread::currentThreadId();
            qptrdiff iInstance = reinterpret_cast<qptrdiff>(const_cast<void *>(pInstance));
            return m_lstInstanceByThread.contains(qMakePair(lCurrThreadId, qMakePair(iInstance, pClass)));
         }

         bool QxSerializeCheckInstance::isRoot()
         {
            QMutexLocker locker(&m_mutex);
            Qt::HANDLE lThreadId = QThread::currentThreadId();
            int iLevel = m_hashLevelByThread.value(lThreadId, 0);
            qAssert(iLevel >= 0);
            return (iLevel == 0);
         }

         QxSerializeCheckInstance::type_hierarchy QxSerializeCheckInstance::getHierarchy()
         {
            QMutexLocker locker(&m_mutex);
            Qt::HANDLE lThreadId = QThread::currentThreadId();
            return m_hashHierarchyByThread.value(lThreadId);
         }

         void QxSerializeCheckInstance::setHierarchy(const QxSerializeCheckInstance::type_hierarchy &hierarchy)
         {
            QMutexLocker locker(&m_mutex);
            Qt::HANDLE lThreadId = QThread::currentThreadId();
            m_hashHierarchyByThread.insert(lThreadId, hierarchy);
         }

      } // namespace helper
   } // namespace serialization
} // namespace qx
