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/*
* Copyright (C) 2010 Ivan Cukic <ivan.cukic(at)kde.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2,
* or (at your option) any later version, 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 General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "NepomukCommon.h"
#include <KDebug>
#include <Soprano/Vocabulary/NAO>
#include "kext.h"
using namespace Nepomuk::Vocabulary;
using namespace Soprano::Vocabulary;
QHash < QString, Nepomuk::Resource > NepomukPluginCommon::activityResources;
Nepomuk::Resource activityResource(const QString & id)
{
kDebug() << "Getting the resource of activity:" << id;
// Do we already have the resource cached?
if (NepomukPluginCommon::activityResources.contains(id)) {
const Nepomuk::Resource & resource = NepomukPluginCommon::activityResources[id];
kDebug() << "We have the resource already cached"
<< resource.genericLabel()
<< resource
<< resource.property(NAO::identifier());
return resource;
}
// Otherwise
const QString & query = QString::fromLatin1(
"select ?activity where { "
"?activity a kext:Activity . "
"?activity nao:identifier %1 ."
"} LIMIT 1"
).arg(litN3(id));
Soprano::QueryResultIterator it
= Nepomuk::ResourceManager::instance()->mainModel()->executeQuery(query, Soprano::Query::QueryLanguageSparql);
Nepomuk::Resource resource;
if (it.next()) {
resource = Nepomuk::Resource(it[0].uri());
it.close();
} else {
kDebug() << "A very strange thing is happening - seems like" << id <<
"activity doesn't exist stored in Nepomuk!";
resource = Nepomuk::Resource(id, KExt::Activity());
}
// Adding to cache and returning the value
NepomukPluginCommon::activityResources[id] = resource;
kDebug() << "Returning the resource object"
<< resource.genericLabel()
<< resource
<< resource.property(NAO::identifier());
return resource;
}
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