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-rw-r--r--Postman/Postman-Mail/google-api-php-client-1.1.2/src/Google/Cache/Apc.php111
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diff --git a/Postman/Postman-Mail/google-api-php-client-1.1.2/src/Google/Cache/Apc.php b/Postman/Postman-Mail/google-api-php-client-1.1.2/src/Google/Cache/Apc.php
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+++ b/Postman/Postman-Mail/google-api-php-client-1.1.2/src/Google/Cache/Apc.php
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+<?php
+/*
+ * Copyright 2010 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+require_once realpath(dirname(__FILE__) . '/../../../autoload.php');
+
+/**
+ * A persistent storage class based on the APC cache, which is not
+ * really very persistent, as soon as you restart your web server
+ * the storage will be wiped, however for debugging and/or speed
+ * it can be useful, and cache is a lot cheaper then storage.
+ *
+ * @author Chris Chabot <chabotc@google.com>
+ */
+class Postman_Google_Cache_Apc extends Postman_Google_Cache_Abstract
+{
+ /**
+ * @var Postman_Google_Client the current client
+ */
+ private $client;
+
+ public function __construct(Postman_Google_Client $client)
+ {
+ if (! function_exists('apc_add') ) {
+ $error = "Apc functions not available";
+
+ $client->getLogger()->error($error);
+ throw new Postman_Google_Cache_Exception($error);
+ }
+
+ $this->client = $client;
+ }
+
+ /**
+ * @inheritDoc
+ */
+ public function get($key, $expiration = false)
+ {
+ $ret = apc_fetch($key);
+ if ($ret === false) {
+ $this->client->getLogger()->debug(
+ 'APC cache miss',
+ array('key' => $key)
+ );
+ return false;
+ }
+ if (is_numeric($expiration) && (time() - $ret['time'] > $expiration)) {
+ $this->client->getLogger()->debug(
+ 'APC cache miss (expired)',
+ array('key' => $key, 'var' => $ret)
+ );
+ $this->delete($key);
+ return false;
+ }
+
+ $this->client->getLogger()->debug(
+ 'APC cache hit',
+ array('key' => $key, 'var' => $ret)
+ );
+
+ return $ret['data'];
+ }
+
+ /**
+ * @inheritDoc
+ */
+ public function set($key, $value)
+ {
+ $var = array('time' => time(), 'data' => $value);
+ $rc = apc_store($key, $var);
+
+ if ($rc == false) {
+ $this->client->getLogger()->error(
+ 'APC cache set failed',
+ array('key' => $key, 'var' => $var)
+ );
+ throw new Postman_Google_Cache_Exception("Couldn't store data");
+ }
+
+ $this->client->getLogger()->debug(
+ 'APC cache set',
+ array('key' => $key, 'var' => $var)
+ );
+ }
+
+ /**
+ * @inheritDoc
+ * @param String $key
+ */
+ public function delete($key)
+ {
+ $this->client->getLogger()->debug(
+ 'APC cache delete',
+ array('key' => $key)
+ );
+ apc_delete($key);
+ }
+}