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root/src/cache.cpp @ 827458ed
| c22391b2 | Christian Ehringfeld | /*
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* Copyright (C) 2015 Christian Ehringfeld <c.ehringfeld@t-online.de>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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| d84c91e7 | Christian Ehringfeld | #include "cache.h"
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| e8d1537c | Christian Ehringfeld | #include "entityhelper.h"
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| d84c91e7 | Christian Ehringfeld | using namespace CuteEntityManager;
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Cache::Cache() {
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}
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| a873a3ba | Christian Ehringfeld | QHash<QString, QWeakPointer<Entity>> Cache::getCache() const {
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| 11bbe9a6 | Christian Ehringfeld | return cache;
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}
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bool Cache::contains(qint64 id, const QString &classname) {
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QString key = this->generateKey(id, classname);
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return this->contains(key);
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}
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bool Cache::contains(const QString &key) {
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if (!key.isEmpty()) {
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return this->cache.contains(key);
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}
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return false;
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}
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| a873a3ba | Christian Ehringfeld | void Cache::clear() {
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| 5ca225ed | Christian Ehringfeld | this->mutex.lock();
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| a873a3ba | Christian Ehringfeld | this->cache.clear();
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| 5ca225ed | Christian Ehringfeld | this->mutex.unlock();
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| a873a3ba | Christian Ehringfeld | }
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| 62427ee0 | Christian Ehringfeld | void Cache::insert(QSharedPointer<Entity> &entity) {
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| dfaffebe | Christian Ehringfeld | if (entity && entity->getId() > -1) {
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| abb9e8c5 | Christian Ehringfeld | QString key = this->generateKey(entity->getId(),
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| e8d1537c | Christian Ehringfeld | EntityHelper::getClassName(entity.data()));
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| 62427ee0 | Christian Ehringfeld | if (this->cache.contains(key)) {
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QSharedPointer<Entity> ptr = this->cache.value(key).toStrongRef();
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| dfaffebe | Christian Ehringfeld | if (ptr) {
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| 5ca225ed | Christian Ehringfeld | this->mutex.lock();
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| dfaffebe | Christian Ehringfeld | ptr.swap(entity);
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| 5ca225ed | Christian Ehringfeld | this->mutex.unlock();
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ptr = this->cache.value(key).toStrongRef();
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| dfaffebe | Christian Ehringfeld | return;
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| 62427ee0 | Christian Ehringfeld | }
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}
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| 5ca225ed | Christian Ehringfeld | this->mutex.lock();
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| 4cde82a2 | Christian Ehringfeld | this->cache.insert(key, entity.toWeakRef());
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| 5ca225ed | Christian Ehringfeld | this->mutex.unlock();
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| 11bbe9a6 | Christian Ehringfeld | }
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}
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| 3820ae33 | Christian Ehringfeld | void Cache::remove(const QSharedPointer<Entity> &entity) {
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| abb9e8c5 | Christian Ehringfeld | if (entity.data() && entity->getId() > -1) {
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| 5ca225ed | Christian Ehringfeld | this->mutex.lock();
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| e8d1537c | Christian Ehringfeld | this->remove(entity->getId(), EntityHelper::getClassName(entity.data()));
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| 5ca225ed | Christian Ehringfeld | this->mutex.unlock();
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| 11bbe9a6 | Christian Ehringfeld | }
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}
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void Cache::remove(const qint64 &id, const QString &classname) {
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this->cache.remove(this->generateKey(id, classname));
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}
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QSharedPointer<Entity> Cache::get(qint64 id, const QString &classname) {
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QString key = this->generateKey(id, classname);
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if (this->contains(key)) {
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| 5ca225ed | Christian Ehringfeld | this->mutex.lock();
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| 3820ae33 | Christian Ehringfeld | QSharedPointer<Entity> ptr = this->cache.value(key).toStrongRef();
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| dfaffebe | Christian Ehringfeld | if (!ptr) {
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| 3820ae33 | Christian Ehringfeld | this->remove(id, classname);
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}
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| 5ca225ed | Christian Ehringfeld | this->mutex.unlock();
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| 3820ae33 | Christian Ehringfeld | return ptr;
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| 11bbe9a6 | Christian Ehringfeld | }
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return QSharedPointer<Entity>();
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}
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| 0d155b40 | Christian Ehringfeld | QString Cache::generateKey(qint64 id, const QString &classname) const {
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| 11bbe9a6 | Christian Ehringfeld | if (id > -1) {
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return QString::number(id).append("[").append(classname).append("]");
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}
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return QString("");
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}
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