Herunterladen als
root/src/cache.cpp @ 0d155b40
| c22391b2 | Christian Ehringfeld | /*
|
|
* Copyright (C) 2015 Christian Ehringfeld <c.ehringfeld@t-online.de>
|
|||
*
|
|||
* This program is free software; you can redistribute it and/or modify it
|
|||
* under the terms of the GNU Lesser General Public License 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 Lesser General Public License
|
|||
* along with this program; if not, see <http://www.gnu.org/licenses/>.
|
|||
*/
|
|||
| d84c91e7 | Christian Ehringfeld | #include "cache.h"
|
|
| e8d1537c | Christian Ehringfeld | #include "entityhelper.h"
|
|
| d84c91e7 | Christian Ehringfeld | using namespace CuteEntityManager;
|
|
Cache::Cache() {
|
|||
}
|
|||
| 11bbe9a6 | Christian Ehringfeld | QHash<QString, QWeakPointer<Entity> > Cache::getCache() const {
|
|
return cache;
|
|||
}
|
|||
bool Cache::contains(qint64 id, const QString &classname) {
|
|||
QString key = this->generateKey(id, classname);
|
|||
return this->contains(key);
|
|||
}
|
|||
bool Cache::contains(const QString &key) {
|
|||
if (!key.isEmpty()) {
|
|||
return this->cache.contains(key);
|
|||
}
|
|||
return false;
|
|||
}
|
|||
| 62427ee0 | Christian Ehringfeld | void Cache::insert(QSharedPointer<Entity> &entity) {
|
|
| dfaffebe | Christian Ehringfeld | if (entity && entity->getId() > -1) {
|
|
| abb9e8c5 | Christian Ehringfeld | QString key = this->generateKey(entity->getId(),
|
|
| e8d1537c | Christian Ehringfeld | EntityHelper::getClassName(entity.data()));
|
|
| 62427ee0 | Christian Ehringfeld | if (this->cache.contains(key)) {
|
|
QSharedPointer<Entity> ptr = this->cache.value(key).toStrongRef();
|
|||
| dfaffebe | Christian Ehringfeld | if (ptr) {
|
|
ptr.swap(entity);
|
|||
return;
|
|||
| 62427ee0 | Christian Ehringfeld | }
|
|
}
|
|||
this->cache.insert(key, entity.toWeakRef());
|
|||
| 11bbe9a6 | Christian Ehringfeld | }
|
|
}
|
|||
| 3820ae33 | Christian Ehringfeld | void Cache::remove(const QSharedPointer<Entity> &entity) {
|
|
| abb9e8c5 | Christian Ehringfeld | if (entity.data() && entity->getId() > -1) {
|
|
| e8d1537c | Christian Ehringfeld | this->remove(entity->getId(), EntityHelper::getClassName(entity.data()));
|
|
| 11bbe9a6 | Christian Ehringfeld | }
|
|
}
|
|||
void Cache::remove(const qint64 &id, const QString &classname) {
|
|||
this->cache.remove(this->generateKey(id, classname));
|
|||
}
|
|||
QSharedPointer<Entity> Cache::get(qint64 id, const QString &classname) {
|
|||
QString key = this->generateKey(id, classname);
|
|||
if (this->contains(key)) {
|
|||
| 3820ae33 | Christian Ehringfeld | QSharedPointer<Entity> ptr = this->cache.value(key).toStrongRef();
|
|
| dfaffebe | Christian Ehringfeld | if (!ptr) {
|
|
| 3820ae33 | Christian Ehringfeld | this->remove(id, classname);
|
|
}
|
|||
return ptr;
|
|||
| 11bbe9a6 | Christian Ehringfeld | }
|
|
return QSharedPointer<Entity>();
|
|||
}
|
|||
| 0d155b40 | Christian Ehringfeld | QString Cache::generateKey(qint64 id, const QString &classname) const {
|
|
| 11bbe9a6 | Christian Ehringfeld | if (id > -1) {
|
|
return QString::number(id).append("[").append(classname).append("]");
|
|||
}
|
|||
return QString("");
|
|||
}
|