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Ref T473, added version attribute for DB based value objects.

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So all DB objects could have version.
This commit is contained in:
Klaus Basan
2018-12-16 21:11:57 +01:00
committed by Mat Sutcliffe
parent 9facd200f1
commit a40e37e59b
4 changed files with 74 additions and 38 deletions
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44
src/blackmisc/db/datastore.h
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@@ -12,10 +12,11 @@
#ifndef BLACKMISC_DB_DATASTORE_H
#define BLACKMISC_DB_DATASTORE_H
#include "blackmisc/blackmiscexport.h"
#include "blackmisc/propertyindex.h"
#include "blackmisc/timestampbased.h"
#include "blackmisc/variant.h"
#include "blackmisc/propertyindex.h"
#include "blackmisc/blackmiscexport.h"
#include "blackconfig/buildconfig.h"
#include <QJsonObject>
#include <QJsonValue>
@@ -42,7 +43,30 @@ namespace BlackMisc
/*!
* Class from which a derived class can inherit datastore-related functions.
*/
class BLACKMISC_EXPORT IDatastoreObjectWithIntegerKey : public ITimestampBased
class BLACKMISC_EXPORT IDatastoreObject : public ITimestampBased
{
// since we use different keys all the compares, set, get are in the derived class
// in general we can say, it was a bad decisio to use different key types
// IndexDbIntegerKey = CPropertyIndex::GlobalIndexIDatastore for future usage
public:
//! Version info
const QString &getVersion() const { return m_version; }
//! Version info
void setVersion(const QString &version) { m_version = version; }
protected:
//! Set versionn and timestamp values
void setTimestampAndVersionFromDatabaseJson(const QJsonObject &json, const QString &prefix = QString());
QString m_version; //!< version info
};
/*!
* Class from which a derived class can inherit datastore-related functions.
*/
class BLACKMISC_EXPORT IDatastoreObjectWithIntegerKey : public IDatastoreObject
{
public:
//! Property index
@@ -51,7 +75,9 @@ namespace BlackMisc
IndexDbIntegerKey = CPropertyIndex::GlobalIndexIDatastoreInteger,
IndexDbKeyAsString,
IndexIsLoadedFromDb,
IndexDatabaseIcon
IndexDatabaseIcon,
IndexVersion,
IndexEndMarker //!< keep as last element
};
//! Get DB key.
@@ -113,7 +139,7 @@ namespace BlackMisc
//! \copydoc BlackMisc::Mixin::Index::setPropertyByIndex
void setPropertyByIndex(const BlackMisc::CPropertyIndex &index, const CVariant &variant);
//! Compare by index
//! \copydoc BlackMisc::Mixin::Index::comparePropertyByIndex
int comparePropertyByIndex(const CPropertyIndex &index, const IDatastoreObjectWithIntegerKey &compareValue) const;
//! Can given index be handled?
@@ -125,7 +151,7 @@ namespace BlackMisc
/*!
* Class from which a derived class can inherit datastore-related functions.
*/
class BLACKMISC_EXPORT IDatastoreObjectWithStringKey : public ITimestampBased
class BLACKMISC_EXPORT IDatastoreObjectWithStringKey : public IDatastoreObject
{
public:
//! Property index
@@ -134,7 +160,9 @@ namespace BlackMisc
IndexDbStringKey = CPropertyIndex::GlobalIndexIDatastoreString,
IndexDbKeyAsString,
IndexIsLoadedFromDb,
IndexDatabaseIcon
IndexDatabaseIcon,
IndexVersion,
IndexEndMarker //!< keep as last element
};
//! Get DB key.
@@ -192,7 +220,7 @@ namespace BlackMisc
//! \copydoc BlackMisc::Mixin::Index::setPropertyByIndex
void setPropertyByIndex(const BlackMisc::CPropertyIndex &index, const CVariant &variant);
//! Compare by index
//! \copydoc BlackMisc::Mixin::Index::comparePropertyByIndex
int comparePropertyByIndex(const BlackMisc::CPropertyIndex &index, const IDatastoreObjectWithStringKey &compareValue) const;
//! Can given index be handled