public function save()
{
$type = $this->getDataType();
$format = $this->getDataFormat();
// Before saving the data, attempt to compress it.
if ($type == self::DATATYPE_TEXT) {
if ($format == self::DATAFORMAT_RAW) {
$data = $this->getData();
$deflated = PhabricatorCaches::maybeDeflateData($data);
if ($deflated !== null) {
$this->data = $deflated;
$this->dataFormat = self::DATAFORMAT_DEFLATED;
}
}
}
return parent::save();
}
private function willWriteValue($key, $value)
{
if (!is_string($value)) {
throw new Exception(pht('Only strings may be written to the DB cache!'));
}
static $can_deflate;
if ($can_deflate === null) {
$can_deflate = function_exists('gzdeflate') && PhabricatorEnv::getEnvConfig('cache.enable-deflate');
}
if ($can_deflate) {
$deflated = PhabricatorCaches::maybeDeflateData($value);
if ($deflated !== null) {
return array(self::CACHE_FORMAT_DEFLATE, $deflated);
}
}
return array(self::CACHE_FORMAT_RAW, $value);
}
