fe12aa6a
 Steven de Ridder
Initial commit. d...
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/* ****************************************************************************
* Copyright 2019 Open Systems Development BV *
* *
* Permission is hereby granted, free of charge, to any person obtaining a *
* copy of this software and associated documentation files (the "Software"), *
* to deal in the Software without restriction, including without limitation *
* the rights to use, copy, modify, merge, publish, distribute, sublicense, *
* and/or sell copies of the Software, and to permit persons to whom the *
* Software is furnished to do so, subject to the following conditions: *
* *
* The above copyright notice and this permission notice shall be included in *
* all copies or substantial portions of the Software. *
* *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR *
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, *
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL *
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER *
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING *
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER *
* DEALINGS IN THE SOFTWARE. *
* ***************************************************************************/
#ifndef OSDEV_COMPONENTS_DBRELATION_H
#define OSDEV_COMPONENTS_DBRELATION_H
#include <QObject>
#include <QString>
namespace osdev {
namespace components {
/*!
* \brief The DbRelation class is a container class holding the
* information regarding the relation between two tables.
*/
class DbRelation : public QObject
{
Q_OBJECT
public:
DbRelation( QObject *parent = nullptr );
/*!
* \brief Get the name of the database scheme
* \return The schemaname as QString. isEmpty() is true if none was set.
*/
const QString& schemaName() const { return m_schemaName; }
/*!
* \brief Set the name of the database scheme
* \param _schemaName - The name of the schema.
*/
void setSchemaName( const QString &_schemaName ) { m_schemaName = _schemaName; }
/*!
* \brief Get the name of the table this relation describes.
* \return The name of the table this relation describes.
*/
const QString& tableName() const { return m_tableName; }
/*!
* \brief Set the name of the table this relation describes.
* \param _tableName - The name of the table this relation describes.
*/
void setTableName( const QString &_tableName ) { m_tableName = _tableName; }
/*!
* \brief Get the name of the constraint this relation describes.
* \return the name of the constraint this relation describes.
*/
const QString& constraintName() const { return m_constraintName; }
/*!
* \brief Set the name of the constraint this relation describes.
* \param _constraintName - The name of the constraint this relation describes.
*/
void setConstraintName( const QString &_constraintName ) { m_constraintName = _constraintName; }
/*!
* \brief Get the name of the related table this relation describes.
* \return the name of the related table this relation describes.
*/
const QString& foreignTable() const { return m_foreignTable; }
/*!
* \brief Set the name of the related table this relation describes.
* \param _foreignTable - the name of the related table this relation describes.
*/
void setForeignTable( const QString &_foreignTable ) { m_foreignTable = _foreignTable; }
/*!
* \brief The name of the field on the maintable this relation describes.
* \return The name of the field on the maintable this relation describes.
*/
const QString& indexColumn() const { return m_indexColumn; }
/*!
* \brief Set the name of the field on the maintable this relation describes.
* \param _indexColumn - The name of the field on the maintable this relation describes.
*/
void setIndexColumn( const QString &_indexColumn ) { m_indexColumn = _indexColumn; }
/*!
* \brief Gets the name of the primary key field of the related table.
* \return The name of the primary key field of the related table.
*/
const QString& foreignPrimKey() const { return m_foreignPrimKey; }
/*!
* \brief Sets the name of the primary key field of the related table.
* \param _foreignPrimKey - The name of the primary key field of the related table.
*/
void setForeignPrimKey( const QString &_foreignPrimKey ) { m_foreignPrimKey = _foreignPrimKey; }
/*!
* \brief Return the relation structure as a QString for Debugging purposes
* \return The datastructure in QString representation.
*/
QString asString() const { return QString( "SchemaName : %1 \nTableName : %2 \n ConstraintName : %3 \n ForeignTable : %4 \n IndexColumn : %5 \n Foreign Primary Key : %6")
.arg( m_schemaName, m_tableName, m_constraintName, m_foreignTable, m_indexColumn, m_foreignPrimKey ); }
private:
QString m_schemaName; ///< The name of the database scheme
QString m_tableName; ///< The name of the target-table
QString m_constraintName; ///< The name of the constraint as known to the database
QString m_foreignTable; ///< The name of the table the target has a relation with
QString m_indexColumn; ///< The name of the column of the target table that holds the relation.
QString m_foreignPrimKey; ///< The name of the primary key-field of the related table.
};
} /* End namespace components */
} /* End namespace osdev */
#endif /* OSDEV_COMPONENTS_DBRELATION_H */
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