/usr/include/dataquay/objectmapper/ObjectMapperForwarder.h is in libdataquay-dev 0.9.1-1.
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/*
Dataquay
A C++/Qt library for simple RDF datastore management.
Copyright 2009-2012 Chris Cannam.
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 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.
Except as contained in this notice, the name of Chris Cannam
shall not be used in advertising or otherwise to promote the sale,
use or other dealings in this Software without prior written
authorization.
*/
#ifndef _DATAQUAY_OBJECT_MAPPER_FORWARDER_H_
#define _DATAQUAY_OBJECT_MAPPER_FORWARDER_H_
#include <QObject>
namespace Dataquay {
class ObjectMapper;
/**
* ObjectMapperForwarder notifies ObjectMapper when a QObject is
* modified or destroyed. It connects all of the object's property
* notify signals and its destroyed signal to itself, and then calls
* ObjectMapper methods when they are activated.
*
* ObjectMapperForwarder is used automatically by ObjectMapper; you do
* not normally need to use it yourself.
*
* The principal motivation for this class is to avoid the
* ObjectMapper trying to connect many signals for each of many
* managed objects directly to its slots: if the number of such
* objects was large, this would be a serious performance bottleneck.
*/
class ObjectMapperForwarder : public QObject
{
Q_OBJECT
public:
ObjectMapperForwarder(ObjectMapper *mapper, QObject *o);
private slots:
void objectModified();
void objectDestroyed();
private:
ObjectMapper *m_mapper;
QObject *m_source;
};
}
#endif
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