/**
* Swap object data to disk
* Actualy swaps data or only unloads it from memory,
* if object is not changed since last swap
*
* @param Zend_Memory_Container_Movable $container
* @param integer $id
*/
private function _swap(Zend_Memory_Container_Movable $container, $id)
{
if ($container->isLocked()) {
return;
}
if (!$container->isSwapped()) {
$this->_backend->save($container->getRef(), $this->_managerId . $id, $this->_tags);
}
$this->_memorySize -= $this->_sizes[$id];
$container->markAsSwapped();
$container->unloadValue();
}
/**
* Save some data in a cache
*
* @param mixed $data Data to put in cache (can be another type than string if automatic_serialization is on)
* @param string $id Cache id (if not set, the last cache id will be used)
* @param array $tags Cache tags
* @param int $specificLifetime If != false, set a specific lifetime for this cache record (null => infinite lifetime)
* @param int $priority integer between 0 (very low priority) and 10 (maximum priority) used by some particular backends
* @throws Zend_Cache_Exception
* @return boolean True if no problem
*/
public function save($data, $id = null, $tags = array(), $specificLifetime = false, $priority = 8)
{
if (!$this->_options['caching']) {
return true;
}
if ($id === null) {
$id = $this->_lastId;
} else {
$id = $this->_id($id);
}
self::_validateIdOrTag($id);
self::_validateTagsArray($tags);
if ($this->_options['automatic_serialization']) {
// we need to serialize datas before storing them
$data = serialize($data);
} else {
if (!is_string($data)) {
Zend_Cache::throwException("Datas must be string or set automatic_serialization = true");
}
}
// automatic cleaning
if ($this->_options['automatic_cleaning_factor'] > 0) {
$rand = rand(1, $this->_options['automatic_cleaning_factor']);
if ($rand == 1) {
if ($this->_extendedBackend) {
// New way
if ($this->_backendCapabilities['automatic_cleaning']) {
$this->clean(Zend_Cache::CLEANING_MODE_OLD);
} else {
$this->_log('Zend_Cache_Core::save() / automatic cleaning is not available/necessary with this backend');
}
} else {
// Deprecated way (will be removed in next major version)
if (method_exists($this->_backend, 'isAutomaticCleaningAvailable') && $this->_backend->isAutomaticCleaningAvailable()) {
$this->clean(Zend_Cache::CLEANING_MODE_OLD);
} else {
$this->_log('Zend_Cache_Core::save() / automatic cleaning is not available/necessary with this backend');
}
}
}
}
if ($this->_options['ignore_user_abort']) {
$abort = ignore_user_abort(true);
}
if ($this->_extendedBackend && $this->_backendCapabilities['priority']) {
$result = $this->_backend->save($data, $id, $tags, $specificLifetime, $priority);
} else {
$result = $this->_backend->save($data, $id, $tags, $specificLifetime);
}
if ($this->_options['ignore_user_abort']) {
ignore_user_abort($abort);
}
if (!$result) {
// maybe the cache is corrupted, so we remove it !
if ($this->_options['logging']) {
$this->_log("Zend_Cache_Core::save() : impossible to save cache (id={$id})");
}
$this->_backend->remove($id);
return false;
}
if ($this->_options['write_control']) {
$data2 = $this->_backend->load($id, true);
if ($data != $data2) {
$this->_log('Zend_Cache_Core::save() / write_control : written and read data do not match');
$this->_backend->remove($id);
return false;
}
}
return true;
}
/**
* Save some data in a cache
*
* @param mixed $data Data to put in cache (can be another type than string if automatic_serialization is on)
* @param string $id Cache id (if not set, the last cache id will be used)
* @param array $tags Cache tags
* @param int $specificLifetime If != false, set a specific lifetime for this cache record (null => infinite lifetime)
* @param int $priority integer between 0 (very low priority) and 10 (maximum priority) used by some particular backends
* @throws Zend_Cache_Exception
* @return boolean True if no problem
*/
public function save($data, $id = null, $tags = array(), $specificLifetime = false, $priority = 8)
{
if (!$this->_options['caching']) {
return true;
}
if ($id === null) {
$id = $this->_lastId;
} else {
$id = $this->_id($id);
}
self::_validateIdOrTag($id);
self::_validateTagsArray($tags);
if ($this->_options['automatic_serialization']) {
// we need to serialize datas before storing them
$data = serialize($data);
} else {
if (!is_string($data)) {
Zend_Cache::throwException("Datas must be string or set automatic_serialization = true");
}
}
// automatic cleaning
if ($this->_options['automatic_cleaning_factor'] > 0) {
$rand = rand(1, $this->_options['automatic_cleaning_factor']);
if ($rand == 1) {
// new way || deprecated way
if ($this->_extendedBackend || method_exists($this->_backend, 'isAutomaticCleaningAvailable')) {
$this->_log("Zend_Cache_Core::save(): automatic cleaning running", 7);
$this->clean(Zend_Cache::CLEANING_MODE_OLD);
} else {
$this->_log("Zend_Cache_Core::save(): automatic cleaning is not available/necessary with current backend", 4);
}
}
}
$this->_log("Zend_Cache_Core: save item '{$id}'", 7);
if ($this->_options['ignore_user_abort']) {
$abort = ignore_user_abort(true);
}
if ($this->_extendedBackend && $this->_backendCapabilities['priority']) {
$result = $this->_backend->save($data, $id, $tags, $specificLifetime, $priority);
} else {
$result = $this->_backend->save($data, $id, $tags, $specificLifetime);
}
if ($this->_options['ignore_user_abort']) {
ignore_user_abort($abort);
}
if (!$result) {
// maybe the cache is corrupted, so we remove it !
$this->_log("Zend_Cache_Core::save(): failed to save item '{$id}' -> removing it", 4);
$this->_backend->remove($id);
return false;
}
if ($this->_options['write_control']) {
$data2 = $this->_backend->load($id, true);
if ($data != $data2) {
$this->_log("Zend_Cache_Core::save(): write control of item '{$id}' failed -> removing it", 4);
$this->_backend->remove($id);
return false;
}
}
return true;
}
/**
* Writes $contents to storage
*
* @param mixed $contents
* @throws Zend_Auth_Storage_Exception If writing $contents to storage is impossible
* @return void
*/
public function write($contents)
{
$this->_backend->save($contents, $this->_id);
}