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131 lines
4.3 KiB
C++
131 lines
4.3 KiB
C++
/*
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* This file is part of the Nepomuk KDE project.
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* Copyright (C) 2006-2009 Sebastian Trueg <trueg@kde.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef _NEPOMUK_RESOURCE_MANAGER_P_H_
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#define _NEPOMUK_RESOURCE_MANAGER_P_H_
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#include <QtCore/QMutex>
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#include <kurl.h>
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#include <Soprano/Node> // for qHash(QUrl)
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#include "resourcedata.h"
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namespace Soprano {
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class Model;
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}
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namespace Nepomuk {
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class ResourceManager;
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class MainModel;
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class ResourceWatcher;
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typedef QHash<KUrl, Nepomuk::ResourceData*> ResourceDataHash;
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class ResourceManagerPrivate
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{
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public:
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ResourceManagerPrivate( ResourceManager* manager );
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Nepomuk::MainModel* mainModel;
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Soprano::Model* overrideModel;
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/// used to protect the initialization
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QMutex initMutex;
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/// used to protect all data in ResourceManager
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QMutex mutex;
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/// contains all initialized ResourceData object, i.e. all those which
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/// successfully ran determineUri()
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ResourceDataHash m_initializedData;
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/// contains all non-initialized ResourceData objects created in data(QUrl)
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ResourceDataHash m_uriKickoffData;
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QAtomicInt dataCnt;
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ResourceManager* m_manager;
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ResourceWatcher* m_watcher;
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/**
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* The Nepomuk lib is based on the fact that for each uri only one ResourceData object is
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* created at all times. This method searches for an existing data object to reuse or creates
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* a new one if none exists.
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*
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* \param uriOrId The URI or identifier of the resource is question.
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* \type The type of the resource.
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*
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* The Resource constructors use this method in combination with ref()
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*/
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ResourceData* data( const QString& uriOrId, const QUrl& type );
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/**
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* The Nepomuk lib is based on the fact that for each uri only one ResourceData object is
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* created at all times. This method searches for an existing data object to reuse or creates
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* a new one if none exists.
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*
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* \param uri The URI of the resource is question or it's nie:url or even its identified stored in
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* a QUrl object.
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* \type The type of the resource.
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*
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* The Resource constructors use this method in combination with ref()
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*/
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ResourceData* data( const QUrl& uri, const QUrl& type );
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/**
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* In contrast to data(QUrl,QUrl) this method avoids the overhead of determining the resource URI
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* via ResourceData::determineUri() and simply uses \p uri as the resource URI.
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*/
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ResourceData* dataForResourceUri( const QUrl& uri, const QUrl& type );
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/**
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* Delete unused ResourceData objects from the cache.
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* \param num The number of needed slots. The ResourceData constructor
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* uses this to make room for itself. Use < 0 to free the complete cache.
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*
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* Does NOT lock the mutex.
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*/
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void cleanupCache( int num = 1 );
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bool shouldBeDeleted( ResourceData* rd ) const;
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void addToKickOffList( ResourceData* rd, const QSet<KUrl>& uris );
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QList<ResourceData*> allResourceData();
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QList<ResourceData*> allResourceDataOfType( const QUrl& type );
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QList<ResourceData*> allResourceDataWithProperty( const QUrl& _uri, const Variant& v );
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void _k_storageServiceInitialized( bool );
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void _k_dbusServiceUnregistered( const QString& serviceName );
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private:
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ResourceData* findData( const QUrl& uri );
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QUrl m_mainContext;
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};
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}
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#endif
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