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/*
* Copyright (C) 2015 Christian Ehringfeld <c.ehringfeld@t-online.de>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/

#ifndef ENTITY_H
#define ENTITY_H
#include <QObject>
#include <QSharedPointer>
#include <QStringList>
#include "relation.h"
#include "validators/validatorrule.h"
#include "validators/errormsg.h"
namespace CuteEntityManager {

/**
* You must not name any persisted property objectName, because its pre used by Qt and will be ignored by Entity Manager
* @brief The Entity class
*/
class ValidationRule;
class ErrorMsg;
class Entity : public QObject {
Q_OBJECT
Q_PROPERTY(qint64 id READ getId WRITE setId NOTIFY idChanged)

signals:
void idChanged();

public:
virtual QString toString() const;
/**
* @brief copy
* depends on Q_PROPERTIES
* Copies them with exceptions of primary key(mostly "id") and objectName
* @return
*/
virtual Entity* copy() const;
virtual ~Entity();
virtual QList<ValidationRule> validationRules() const;
virtual QString getTablename() const;
virtual const QHash<QString, Relation> getRelations() const;
virtual const QStringList getTransientAttributes() const;
virtual const QStringList getBLOBColumns() const;
virtual InheritanceStrategy getInheritanceStrategy() const;
virtual bool isInheritanceCascaded() const;
//return value must be the exact name defined in Q_PROPERTY
virtual QString getPrimaryKey() const;

QVariant getProperty(const QString &name) const;
bool setProperty(const QString &name, const QVariant &value);
qint64 getId() const;
void setId(const qint64 &value);

bool hasErrors() const;

QList<ErrorMsg> getErrors() const;
QString getErrorsAsString() const;
void setErrors(const QList<ErrorMsg> &value);

protected:
explicit Entity (QObject *parent = 0);
virtual QString slimToString() const;
QList<ErrorMsg> errors;
qint64 id;
};
}
#endif // ENTITY_H
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