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src/flbase/FLManager.h
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00001 /***************************************************************************
00002                              FLManager.h
00003                           -------------------
00004  begin                : Sun Jul 15 2001
00005  copyright            : (C) 2001-2005 by InfoSiAL S.L.
00006  email                : mail@infosial.com
00007 ***************************************************************************/
00008 /***************************************************************************
00009  *   This program is free software; you can redistribute it and/or modify  *
00010  *   it under the terms of the GNU General Public License as published by  *
00011  *   the Free Software Foundation; version 2 of the License.               *
00012  ***************************************************************************/
00013 /***************************************************************************
00014    Este  programa es software libre. Puede redistribuirlo y/o modificarlo
00015    bajo  los  trminos  de  la  Licencia  Pblica General de GNU   en  su
00016    versin 2, publicada  por  la  Free  Software Foundation.
00017  ***************************************************************************/
00018 
00019 #ifndef FLMANAGER_H
00020 #define FLMANAGER_H
00021 
00022 #include "FLTableMetaData.h"
00023 
00024 class QDomElement;
00025 class FLFieldMetaData;
00026 class FLRelationMetaData;
00027 class FLCompoundKey;
00028 class FLSqlQuery;
00029 class FLParameterQuery;
00030 class FLGroupByQuery;
00031 class FLAction;
00032 class FLSqlDatabase;
00033 
00044 class FL_EXPORT FLManager
00045 {
00046 
00047   friend class FLSqlDatabase;
00048 
00049 protected:
00050 
00054   FLManager(FLSqlDatabase *db);
00055 
00056 public:
00057 
00061   explicit FLManager();
00062 
00066   ~FLManager();
00067 
00071   void init();
00072 
00076   void finish();
00077 
00097   FLTableMetaData *metadata(const QString &n, bool quick = false);
00098 
00110   FLSqlQuery *query(const QString &n, QObject *parent = 0);
00111 
00122   FLAction *action(const QString &n);
00123 
00132   bool existsTable(const QString &n, bool cache = true) const;
00133 
00149   bool checkMetaData(const QString &n);
00150 
00161   bool checkMetaData(const QString &mtd1, const QString &mtd2) {
00162     return (!QString::compare(mtd1, mtd2));
00163   }
00164 
00168   bool checkMetaData(FLTableMetaData *tmd1, FLTableMetaData *tmd2);
00169 
00181   bool alterTable(const QString &n);
00182 
00195   bool alterTable(const QString &mtd1, const QString &mtd2, const QString &key = QString::null);
00196 
00204   FLTableMetaData *createTable(const QString &n);
00205 
00213   FLTableMetaData *createTable(FLTableMetaData *tmd);
00214 
00228   QString formatValueLike(FLFieldMetaData *fMD, const QVariant &v, const bool upper = false);
00229   QString formatAssignValueLike(FLFieldMetaData *fMD, const QVariant &v, const bool upper = false);
00230   QString formatAssignValueLike(const QString &fieldName, FLFieldMetaData *fMD, const QVariant &v, const bool upper = false);
00231   QString formatAssignValueLike(const QString &fieldName, int t, const QVariant &v, const bool upper = false);
00232 
00240   QString formatValueLike(int t, const QVariant &v, const bool upper = false);
00241 
00255   QString formatValue(FLFieldMetaData *fMD, const QVariant &v, const bool upper = false);
00256   QString formatAssignValue(FLFieldMetaData *fMD, const QVariant &v, const bool upper = false);
00257   QString formatAssignValue(const QString &fieldName, FLFieldMetaData *fMD, const QVariant &v, const bool upper = false);
00258   QString formatAssignValue(const QString &fieldName, int t, const QVariant &v, const bool upper = false);
00259 
00267   QString formatValue(int t, const QVariant &v, const bool upper = false);
00268 
00280   FLTableMetaData *metadata(QDomElement *mtd, bool quick = false);
00281 
00297   FLFieldMetaData *metadataField(QDomElement *field, bool v = true, bool ed = true);
00298 
00310   FLRelationMetaData *metadataRelation(QDomElement *relation);
00311 
00323   FLParameterQuery *queryParameter(QDomElement *parameter);
00324 
00335   FLGroupByQuery *queryGroup(QDomElement *group);
00336 
00348   FLTableMetaData *createSystemTable(const QString &n);
00349 
00353   void loadTables();
00354 
00359   void cleanupMetaData();
00360 
00367   bool isSystemTable(const QString &n);
00368 
00385   QString storeLargeValue(FLTableMetaData *mtd, const QString &largeValue);
00386 
00393   QVariant fetchLargeValue(const QString &refKey) const;
00394 
00395 private:
00396 
00397 #ifndef FL_QUICK_CLIENT
00398 
00401   QStringList *listTables_;
00402 
00406   QDict<QString> *dictKeyMetaData_;
00407 #endif
00408 
00412   QDict<FLTableMetaData> *cacheMetaData_;
00413 
00417   QDict<FLAction> *cacheAction_;
00418 
00422   QDict<FLTableMetaData> *cacheMetaDataSys_;
00423 
00427   QDict<QVariant> *cacheLargeValues_;
00428 
00432   FLSqlDatabase *db_;
00433 };
00434 
00435 #endif
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