/**
* @task setup
*/
private static function buildSetupCaches()
{
// In most cases, we should have APC. This is an ideal cache for our
// purposes -- it's fast and empties on server restart.
$apc = new PhutilAPCKeyValueCache();
if ($apc->isAvailable()) {
return array($apc);
}
// If we don't have APC, build a poor approximation on disk. This is still
// much better than nothing; some setup steps are quite slow.
$disk_path = self::getSetupCacheDiskCachePath();
if ($disk_path) {
$disk = new PhutilOnDiskKeyValueCache();
$disk->setCacheFile($disk_path);
$disk->setWait(0.1);
if ($disk->isAvailable()) {
return array($disk);
}
}
return array();
}
public function testCacheStack()
{
$req_cache = new PhutilInRequestKeyValueCache();
$disk_cache = new PhutilOnDiskKeyValueCache();
$disk_cache->setCacheFile(new TempFile());
$apc_cache = new PhutilAPCKeyValueCache();
$stack = array($req_cache, $disk_cache);
if ($apc_cache->isAvailable()) {
$stack[] = $apc_cache;
}
$cache = new PhutilKeyValueCacheStack();
$cache->setCaches($stack);
$this->doCacheTest($cache);
$disk_cache->destroyCache();
$req_cache->destroyCache();
}