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/*
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* Copyright (C) 2015 Christian Ehringfeld <c.ehringfeld@t-online.de>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef ENTITY_H
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#define ENTITY_H
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#include <QObject>
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#include <QSharedPointer>
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#include <QStringList>
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#include <QMetaProperty>
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#include "relation.h"
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#include "validators/validatorrule.h"
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#include "validators/errormsg.h"
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namespace CuteEntityManager {
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/**
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* You must not name any persisted property objectName, because its pre used by Qt and will be ignored by Entity Manager
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* @brief The Entity class
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*/
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class ValidationRule;
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class ErrorMsg;
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class Entity : public QObject {
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Q_OBJECT
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Q_PROPERTY(qint64 id READ getId WRITE setId NOTIFY idChanged)
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signals:
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void idChanged();
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#define EM_MACRO(type) \
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virtual void setListProperty(const QSharedPointer<Entity> &e,QList<QSharedPointer<Entity>> &entList, const QMetaProperty &property) override { \
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QList<QSharedPointer<type>> list = *reinterpret_cast<QList<QSharedPointer<type>>*>(&entList); \
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QVariant var; \
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var.setValue<QList<QSharedPointer<type>>>(list); \
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property.write(e.data(), var); \
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} \
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virtual void setProperty(const QSharedPointer<Entity> &e,QSharedPointer<Entity> &value, const QMetaProperty &property) override { \
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QSharedPointer<type> en = *reinterpret_cast<QSharedPointer<type>*>(&value); \
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QVariant var; \
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var.setValue<QSharedPointer<type>>(en); \
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property.write(e.data(), var); \
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}
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public:
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virtual QString toString() const;
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/**
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* @brief copy
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* depends on Q_PROPERTIES
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* Copies them with exceptions of primary key(mostly "id") and objectName
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* @return
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*/
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virtual Entity* copy() const;
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virtual ~Entity();
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virtual QList<ValidationRule> validationRules() const;
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virtual QString getTablename() const;
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virtual QString getClassname() const;
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virtual const QHash<QString, Relation> getRelations() const;
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virtual const Relation getRelation(const QString &name) const;
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virtual const QStringList getTransientAttributes() const;
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virtual const QStringList getBLOBColumns() const;
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virtual InheritanceStrategy getInheritanceStrategy() const;
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virtual bool isInheritanceCascaded() const;
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//return value must be the exact name defined in Q_PROPERTY
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virtual QString getPrimaryKey() const;
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virtual QHash<QString, QVariant> getProperties();
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virtual QHash<QString, QString> getPropertyLabels();
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QVariant getProperty(const QString &name) const;
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bool setProperty(const QString &name, const QVariant &value);
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qint64 getId() const;
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void setId(const qint64 &value);
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bool hasErrors() const;
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QList<ErrorMsg> getErrors() const;
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QString getErrorsAsString() const;
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void setErrors(const QList<ErrorMsg> &value);
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virtual void setListProperty(const QSharedPointer<Entity> &e, QList<QSharedPointer<Entity>> &entList,
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const QMetaProperty &property) = 0;
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virtual void setProperty(const QSharedPointer<Entity> &e, QSharedPointer<Entity> &value, const QMetaProperty &property) = 0;
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protected:
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explicit Entity (QObject *parent = 0);
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virtual QString slimToString() const;
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QList<ErrorMsg> errors;
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qint64 id = -1;
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};
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}
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#endif // ENTITY_H
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