/**
* Returns a Cache Item representing the specified key.
*
* This method must always return an ItemInterface object, even in case of
* a cache miss. It MUST NOT return null.
*
* @param string $key
* The key for which to return the corresponding Cache Item.
*
* @return ICacheItem
* The corresponding Cache Item.
* @throws \RuntimeException
* If the $key string is not a legal value
*/
public function getItem($key)
{
$item = new CacheItem($key);
if (isset(self::$cachePool[$this->_pool][$key])) {
$item->hydrate(self::$cachePool[$this->_pool][$key], true);
} else {
$item->hydrate(null, false);
}
return $item;
}
/**
* Returns a Cache Item representing the specified key.
*
* This method must always return an ItemInterface object, even in case of
* a cache miss. It MUST NOT return null.
*
* @param string $key
* The key for which to return the corresponding Cache Item.
*
* @return ICacheItem
* The corresponding Cache Item.
* @throws \RuntimeException
* If the $key string is not a legal value
*/
public function getItem($key)
{
$success = false;
if (function_exists('apcu_fetch')) {
$value = apcu_fetch($key, $success);
} else {
$value = apc_fetch($key, $success);
}
$item = new CacheItem($key);
$item->hydrate($success ? $value : null, $success);
return $item;
}
public function testHydrate()
{
$item = new CacheItem('one');
$item->hydrate('two');
$this->assertEquals('two', $item->get());
$this->assertTrue($item->exists());
$this->assertTrue($item->isHit());
$item->hydrate(null, false);
$this->assertEquals(null, $item->get());
$this->assertFalse($item->exists());
$this->assertFalse($item->isHit());
}
/**
* Returns a Cache Item representing the specified key.
*
* This method must always return an ItemInterface object, even in case of
* a cache miss. It MUST NOT return null.
*
* @param string $key
* The key for which to return the corresponding Cache Item.
* @param bool $throw true to throw backend exceptions
*
* @return ICacheItem
* The corresponding Cache Item.
* @throws \RuntimeException
* If the $key string is not a legal value
* @throws \Exception
*/
public function getItem($key, $throw = false)
{
$item = new CacheItem($key);
$item->hydrate(null, false);
try {
$value = $this->_connection->get($key);
if ($value !== false) {
$item->hydrate($value, true);
}
} catch (\Exception $e) {
if ($throw) {
throw $e;
}
}
return $item;
}
/**
* Delete the DAO from the data store
*
* @param IDao $dao
*
* @return IDao
*
* @throws DataStoreException
*/
public function delete(IDao $dao)
{
$dao = $this->_verifyDao($dao);
$this->_connectedConnection()->deleteItem(CacheItem::fromDao($dao));
return $dao;
}