schematypes.h

/***************************************************************************
 *   SPDX-FileCopyrightText: 2006 Tobias Koenig <[email protected]>            *
 *   SPDX-FileCopyrightText: 2013 Volker Krause <[email protected]>          *
 *                                                                         *
 *   SPDX-License-Identifier: LGPL-2.0-or-later                            *
 ***************************************************************************/
 
#pragma once
 
#include <QList>
#include <QMap>
#include <QString>
#include <QStringList>
 
namespace Akonadi
{
namespace Server
{
/**
 * @short A helper class that describes a column of a table for the DbInitializer
 */
class ColumnDescription
{
public:
    ColumnDescription();
 
    enum ReferentialAction {
        Cascade,
        Restrict,
        SetNull,
    };
 
    QString name;
    QString type;
    int size;
    bool allowNull;
    bool isAutoIncrement;
    bool isPrimaryKey;
    bool isUnique;
    bool isEnum;
    QString refTable;
    QString refColumn;
    QString defaultValue;
    ReferentialAction onUpdate;
    ReferentialAction onDelete;
    bool noUpdate;
 
    QMap<QString, int> enumValueMap;
};
 
/**
 * @short A helper class that describes indexes of a table for the DbInitializer
 */
class IndexDescription
{
public:
    IndexDescription();
 
    QString name;
    QStringList columns;
    bool isUnique;
    QString sort;
};
 
/**
 * @short A helper class that describes the predefined data of a table for the DbInitializer
 */
class DataDescription
{
public:
    DataDescription();
 
    /**
     * Key contains the column name, value the data.
     */
    QMap<QString, QString> data;
};
 
/**
 * @short A helper class that describes a table for the DbInitializer
 */
class TableDescription
{
public:
    TableDescription();
    int primaryKeyColumnCount() const;
 
    QString name;
    QList<ColumnDescription> columns;
    QList<IndexDescription> indexes;
    QList<DataDescription> data;
};
 
/**
 * @short A helper class that describes the relation between two tables for the DbInitializer
 */
class RelationDescription
{
public:
    RelationDescription();
 
    QString firstTable;
    QString firstColumn;
    QString secondTable;
    QString secondColumn;
    QList<IndexDescription> indexes;
};
 
/**
 * @short TableDescription constructed based on RelationDescription
 */
class RelationTableDescription : public TableDescription
{
public:
    explicit RelationTableDescription(const RelationDescription &relation);
};
 
} // namespace Server
} // namespace Akonadi
 
Q_DECLARE_TYPEINFO(Akonadi::Server::ColumnDescription, Q_RELOCATABLE_TYPE);
Q_DECLARE_TYPEINFO(Akonadi::Server::IndexDescription, Q_RELOCATABLE_TYPE);
Q_DECLARE_TYPEINFO(Akonadi::Server::DataDescription, Q_RELOCATABLE_TYPE);
Q_DECLARE_TYPEINFO(Akonadi::Server::TableDescription, Q_RELOCATABLE_TYPE);
Q_DECLARE_TYPEINFO(Akonadi::Server::RelationDescription, Q_RELOCATABLE_TYPE);
Q_DECLARE_TYPEINFO(Akonadi::Server::RelationTableDescription, Q_RELOCATABLE_TYPE);