Files F8141069

kshareddatacache_win.cpp
Public
Actions

File Metadata

Author
cordlandwehr
Created
Feb 29 2020, 12:36 PM

kshareddatacache_win.cpp
View Options

/*
This file is part of the KDE project.
SPDX-FileCopyrightText: 2010 Michael Pyne <mpyne@kde.org>
SPDX-License-Identifier: LGPL-2.0-only
*/
/**
* This is a horrifically simple implementation of KSharedDataCache that is
* basically missing the "shared" part to it, for use on Windows or other platforms
* that don't support POSIX.
*/
#include "kshareddatacache.h"
#include <QString>
#include <QByteArray>
#include <QCache>
class Q_DECL_HIDDEN KSharedDataCache::Private
{
public:
KSharedDataCache::EvictionPolicy evictionPolicy;
QCache<QString, QByteArray> cache;
};
KSharedDataCache::KSharedDataCache(const QString &cacheName,
unsigned defaultCacheSize,
unsigned expectedItemSize)
: d(new Private)
{
d->cache.setMaxCost(defaultCacheSize);
Q_UNUSED(cacheName);
Q_UNUSED(expectedItemSize);
}
KSharedDataCache::~KSharedDataCache()
{
delete d;
}
KSharedDataCache::EvictionPolicy KSharedDataCache::evictionPolicy() const
{
return d->evictionPolicy;
}
void KSharedDataCache::setEvictionPolicy(KSharedDataCache::EvictionPolicy newPolicy)
{
d->evictionPolicy = newPolicy;
}
bool KSharedDataCache::insert(const QString &key, const QByteArray &data)
{
return d->cache.insert(key, new QByteArray(data));
}
bool KSharedDataCache::find(const QString &key, QByteArray *destination) const
{
QByteArray *value = d->cache.object(key);
if (value) {
if (destination) {
*destination = *value;
}
return true;
} else {
return false;
}
}
void KSharedDataCache::clear()
{
d->cache.clear();
}
void KSharedDataCache::deleteCache(const QString &cacheName)
{
Q_UNUSED(cacheName);
}
bool KSharedDataCache::contains(const QString &key) const
{
return d->cache.contains(key);
}
unsigned KSharedDataCache::totalSize() const
{
return static_cast<unsigned>(d->cache.maxCost());
}
unsigned KSharedDataCache::freeSize() const
{
if (d->cache.totalCost() < d->cache.maxCost()) {
return static_cast<unsigned>(d->cache.maxCost() - d->cache.totalCost());
} else {
return 0;
}
}
unsigned KSharedDataCache::timestamp() const
{
return 0;
}
void KSharedDataCache::setTimestamp(unsigned newTimestamp)
{
}