Differential D20977 Diff 49988 src/infrastructure/cache/PhutilKeyValueCacheNamespace.php

Changeset View

Standalone View

				<?php

				final class PhutilKeyValueCacheNamespace extends PhutilKeyValueCacheProxy {

				private $namespace;

				public function setNamespace($namespace) {
				if (strpos($namespace, ':') !== false) {
				throw new Exception(pht("Namespace can't contain colons."));
				}

				$this->namespace = $namespace.':';

				return $this;
				}

				public function setKeys(array $keys, $ttl = null) {
				return parent::setKeys(array_combine(
				$this->prefixKeys(array_keys($keys)),
				$keys), $ttl);
				}

				public function getKeys(array $keys) {
				$results = parent::getKeys($this->prefixKeys($keys));

				if (!$results) {
				return array();
				}

				return array_combine(
				$this->unprefixKeys(array_keys($results)),
				$results);
				}

				public function deleteKeys(array $keys) {
				return parent::deleteKeys($this->prefixKeys($keys));
				}

				private function prefixKeys(array $keys) {
				if ($this->namespace == null) {
				throw new Exception(pht('Namespace not set.'));
				}

				$prefixed_keys = array();
				foreach ($keys as $key) {
				$prefixed_keys[] = $this->namespace.$key;
				}

				return $prefixed_keys;
				}

				private function unprefixKeys(array $keys) {
				if ($this->namespace == null) {
				throw new Exception(pht('Namespace not set.'));
				}

				$unprefixed_keys = array();
				foreach ($keys as $key) {
				$unprefixed_keys[] = substr($key, strlen($this->namespace));
				}

				return $unprefixed_keys;
				}

				}