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- <?php
-
-
-
- namespace Doctrine\Common\Cache;
-
-
- abstract class CacheProvider implements Cache
- {
- const DOCTRINE_NAMESPACE_CACHEKEY = 'DoctrineNamespaceCacheKey[%s]';
-
-
-
- private $namespace = '';
-
-
-
- private $namespaceVersion;
-
-
-
- public function setNamespace($namespace)
- {
- $this->namespace = (string) $namespace;
- }
-
-
-
- public function getNamespace()
- {
- return $this->namespace;
- }
-
-
-
- public function fetch($id)
- {
- return $this->doFetch($this->getNamespacedId($id));
- }
-
-
-
- public function contains($id)
- {
- return $this->doContains($this->getNamespacedId($id));
- }
-
-
-
- public function save($id, $data, $lifeTime = 0)
- {
- return $this->doSave($this->getNamespacedId($id), $data, $lifeTime);
- }
-
-
-
- public function delete($id)
- {
- return $this->doDelete($this->getNamespacedId($id));
- }
-
-
-
- public function getStats()
- {
- return $this->doGetStats();
- }
-
-
-
- public function flushAll()
- {
- return $this->doFlush();
- }
-
-
-
- public function deleteAll()
- {
- $namespaceCacheKey = $this->getNamespaceCacheKey();
- $namespaceVersion = $this->getNamespaceVersion() + 1;
-
- $this->namespaceVersion = $namespaceVersion;
-
- return $this->doSave($namespaceCacheKey, $namespaceVersion);
- }
-
-
-
- private function getNamespacedId($id)
- {
- $namespaceVersion = $this->getNamespaceVersion();
-
- return sprintf('%s[%s][%s]', $this->namespace, $id, $namespaceVersion);
- }
-
-
-
- private function getNamespaceCacheKey()
- {
- return sprintf(self::DOCTRINE_NAMESPACE_CACHEKEY, $this->namespace);
- }
-
-
-
- private function getNamespaceVersion()
- {
- if (null !== $this->namespaceVersion) {
- return $this->namespaceVersion;
- }
-
- $namespaceCacheKey = $this->getNamespaceCacheKey();
- $namespaceVersion = $this->doFetch($namespaceCacheKey);
-
- if (false === $namespaceVersion) {
- $namespaceVersion = 1;
-
- $this->doSave($namespaceCacheKey, $namespaceVersion);
- }
-
- $this->namespaceVersion = $namespaceVersion;
-
- return $this->namespaceVersion;
- }
-
-
-
- abstract protected function doFetch($id);
-
-
-
- abstract protected function doContains($id);
-
-
-
- abstract protected function doSave($id, $data, $lifeTime = false);
-
-
-
- abstract protected function doDelete($id);
-
-
-
- abstract protected function doFlush();
-
-
-
- abstract protected function doGetStats();
- }
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