src/flbase/FLManager.h

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/***************************************************************************
                             FLManager.h
                          -------------------
 begin                : Sun Jul 15 2001
 copyright            : (C) 2001-2005 by InfoSiAL S.L.
 email                : mail@infosial.com
***************************************************************************/
/***************************************************************************
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; version 2 of the License.               *
 ***************************************************************************/
/***************************************************************************
   Este  programa es software libre. Puede redistribuirlo y/o modificarlo
   bajo  los  términos  de  la  Licencia  Pública General de GNU   en  su
   versión 2, publicada  por  la  Free  Software Foundation.
 ***************************************************************************/

#ifndef FLMANAGER_H
#define FLMANAGER_H

#include "FLTableMetaData.h"

class QDomElement;
class FLFieldMetaData;
class FLRelationMetaData;
class FLCompoundKey;
class FLSqlQuery;
class FLParameterQuery;
class FLGroupByQuery;
class FLAction;
class FLSqlDatabase;

class FL_EXPORT FLManager
{

  friend class FLSqlDatabase;

protected:

  FLManager(FLSqlDatabase *db);

public:

  explicit FLManager();

  ~FLManager();

  void init();

  void finish();

  FLTableMetaData *metadata(const QString &n, bool quick = false);

  FLSqlQuery *query(const QString &n, QObject *parent = 0);

  FLAction *action(const QString &n);

  bool existsTable(const QString &n, bool cache = true) const;

  bool checkMetaData(const QString &n);

  bool checkMetaData(const QString &mtd1, const QString &mtd2) {
    return (!QString::compare(mtd1, mtd2));
  }

  bool checkMetaData(FLTableMetaData *tmd1, FLTableMetaData *tmd2);

  bool alterTable(const QString &n);

  bool alterTable(const QString &mtd1, const QString &mtd2, const QString &key = QString::null);

  FLTableMetaData *createTable(const QString &n);

  FLTableMetaData *createTable(FLTableMetaData *tmd);

  QString formatValueLike(FLFieldMetaData *fMD, const QVariant &v, const bool upper = false);
  QString formatAssignValueLike(FLFieldMetaData *fMD, const QVariant &v, const bool upper = false);
  QString formatAssignValueLike(const QString &fieldName, FLFieldMetaData *fMD, const QVariant &v, const bool upper = false);
  QString formatAssignValueLike(const QString &fieldName, int t, const QVariant &v, const bool upper = false);

  QString formatValueLike(int t, const QVariant &v, const bool upper = false);

  QString formatValue(FLFieldMetaData *fMD, const QVariant &v, const bool upper = false);
  QString formatAssignValue(FLFieldMetaData *fMD, const QVariant &v, const bool upper = false);
  QString formatAssignValue(const QString &fieldName, FLFieldMetaData *fMD, const QVariant &v, const bool upper = false);
  QString formatAssignValue(const QString &fieldName, int t, const QVariant &v, const bool upper = false);

  QString formatValue(int t, const QVariant &v, const bool upper = false);

  FLTableMetaData *metadata(QDomElement *mtd, bool quick = false);

  FLFieldMetaData *metadataField(QDomElement *field, bool v = true, bool ed = true);

  FLRelationMetaData *metadataRelation(QDomElement *relation);

  FLParameterQuery *queryParameter(QDomElement *parameter);

  FLGroupByQuery *queryGroup(QDomElement *group);

  FLTableMetaData *createSystemTable(const QString &n);

  void loadTables();

  void cleanupMetaData();

  bool isSystemTable(const QString &n);

  QString storeLargeValue(FLTableMetaData *mtd, const QString &largeValue);

  QVariant fetchLargeValue(const QString &refKey) const;

private:

#ifndef FL_QUICK_CLIENT

  QStringList *listTables_;

  QDict<QString> *dictKeyMetaData_;
#endif

  QDict<FLTableMetaData> *cacheMetaData_;

  QDict<FLAction> *cacheAction_;

  QDict<FLTableMetaData> *cacheMetaDataSys_;

  QDict<QVariant> *cacheLargeValues_;

  FLSqlDatabase *db_;
};

#endif