void MythDB::ClearSettingsCache(const QString &_key)
{
d->settingsCacheLock.lockForWrite();
if (_key.isEmpty())
{
LOG(VB_DATABASE, LOG_INFO, "Clearing Settings Cache.");
d->settingsCache.clear();
d->settingsCache.reserve(settings_reserve);
SettingsMap::const_iterator it = d->overriddenSettings.begin();
for (; it != d->overriddenSettings.end(); ++it)
{
QString mk2 = d->m_localhostname + ' ' + it.key();
mk2.squeeze();
d->settingsCache[it.key()] = *it;
d->settingsCache[mk2] = *it;
}
}
else
{
QString myKey = _key.toLower();
clear(d->settingsCache, d->overriddenSettings, myKey);
// To be safe always clear any local[ized] version too
QString mkl = myKey.section(QChar(' '), 1);
if (!mkl.isEmpty())
clear(d->settingsCache, d->overriddenSettings, mkl);
}
d->settingsCacheLock.unlock();
}
QVariant SettingsDatabase::value(const QString &key, const QVariant &defaultValue) const
{
const QString effectiveKey = d->effectiveKey(key);
QVariant value = defaultValue;
SettingsMap::const_iterator i = d->m_settings.constFind(effectiveKey);
if (i != d->m_settings.constEnd() && i.value().isValid()) {
value = i.value();
} else if (d->m_db.isOpen()) {
// Try to read the value from the database
QSqlQuery query(d->m_db);
query.prepare(QLatin1String("SELECT value FROM settings WHERE key = ?"));
query.addBindValue(effectiveKey);
query.exec();
if (query.next()) {
value = query.value(0);
if (debug_settings)
qDebug() << "Retrieved:" << effectiveKey << "=" << value;
}
// Cache the result
d->m_settings.insert(effectiveKey, value);
}
return value;
}
QString Settings::toString() const
{
QString result = "{\n";
for (SettingsMap::const_iterator it = _settings.constBegin(); it != _settings.constEnd(); ++it)
{
result += QString(" \"%1\":\"%2\",\n").arg(_markup(it.key()))
.arg(_markup(it.value().toString()));
}
result += " \"#end\": \"\"\n";
result += "}\n";
return result;
}