private function generateItems(array $keys, $now)
{
$f = $this->createCacheItem;
foreach ($keys as $i => $key) {
try {
if (!($isHit = isset($this->expiries[$key]) && ($this->expiries[$key] >= $now || !$this->deleteItem($key)))) {
$this->values[$key] = $value = null;
} elseif (!$this->storeSerialized) {
$value = $this->values[$key];
} elseif ('b:0;' === ($value = $this->values[$key])) {
$value = false;
} elseif (false === ($value = unserialize($value))) {
$this->values[$key] = $value = null;
$isHit = false;
}
} catch (\Exception $e) {
CacheItem::log($this->logger, 'Failed to unserialize key "{key}"', array('key' => $key, 'exception' => $e));
$this->values[$key] = $value = null;
$isHit = false;
}
unset($keys[$i]);
(yield $key => $f($key, $value, $isHit));
}
foreach ($keys as $key) {
(yield $key => $f($key, null, false));
}
}
/**
* {@inheritdoc}
*/
public function commit()
{
$ok = true;
$byLifetime = $this->mergeByLifetime;
$byLifetime = $byLifetime($this->deferred, $this->namespace);
$retry = $this->deferred = array();
foreach ($byLifetime as $lifetime => $values) {
try {
$e = $this->doSave($values, $lifetime);
} catch (\Exception $e) {
}
if (true === $e || array() === $e) {
continue;
}
if (is_array($e) || 1 === count($values)) {
foreach (is_array($e) ? $e : array_keys($values) as $id) {
$ok = false;
$v = $values[$id];
$type = is_object($v) ? get_class($v) : gettype($v);
CacheItem::log($this->logger, 'Failed to save key "{key}" ({type})', array('key' => substr($id, strlen($this->namespace)), 'type' => $type, 'exception' => $e instanceof \Exception ? $e : null));
}
} else {
foreach ($values as $id => $v) {
$retry[$lifetime][] = $id;
}
}
}
// When bulk-save failed, retry each item individually
foreach ($retry as $lifetime => $ids) {
foreach ($ids as $id) {
try {
$v = $byLifetime[$lifetime][$id];
$e = $this->doSave(array($id => $v), $lifetime);
} catch (\Exception $e) {
}
if (true === $e || array() === $e) {
continue;
}
$ok = false;
$type = is_object($v) ? get_class($v) : gettype($v);
CacheItem::log($this->logger, 'Failed to save key "{key}" ({type})', array('key' => substr($id, strlen($this->namespace)), 'type' => $type, 'exception' => $e instanceof \Exception ? $e : null));
}
}
$this->deferred = array();
return $ok;
}
private function generateItems($items, &$keys)
{
$f = $this->createCacheItem;
try {
foreach ($items as $id => $value) {
$key = $keys[$id];
unset($keys[$id]);
(yield $key => $f($key, $value, true));
}
} catch (\Exception $e) {
CacheItem::log($this->logger, 'Failed to fetch requested items', array('keys' => array_values($keys), 'exception' => $e));
}
foreach ($keys as $key) {
(yield $key => $f($key, null, false));
}
}
/**
* {@inheritdoc}
*/
public function save(CacheItemInterface $item)
{
if (!$item instanceof CacheItem) {
return false;
}
$item = (array) $item;
$key = $item[CacheItem::CAST_PREFIX . 'key'];
$value = $item[CacheItem::CAST_PREFIX . 'value'];
$expiry = $item[CacheItem::CAST_PREFIX . 'expiry'];
if (null !== $expiry && $expiry <= time()) {
$this->deleteItem($key);
return true;
}
if ($this->storeSerialized) {
try {
$value = serialize($value);
} catch (\Exception $e) {
$type = is_object($value) ? get_class($value) : gettype($value);
CacheItem::log($this->logger, 'Failed to save key "{key}" ({type})', array('key' => $key, 'type' => $type, 'exception' => $e));
return false;
}
}
$this->values[$key] = $value;
$this->expiries[$key] = null !== $expiry ? $expiry : PHP_INT_MAX;
return true;
}
/**
* {@inheritdoc}
*/
public function commit()
{
$f = $this->mergeByLifetime;
$ko = array();
foreach ($f($this->deferred, $this->namespace) as $lifetime => $values) {
try {
if (true === ($ok = $this->doSave($values, $lifetime))) {
continue;
}
} catch (\Exception $e) {
$ok = false;
}
if (false === $ok) {
$ok = array_keys($values);
}
foreach ($ok as $id) {
$ko[$lifetime][] = array($id => $values[$id]);
}
}
$this->deferred = array();
$ok = true;
// When bulk-save failed, retry each item individually
foreach ($ko as $lifetime => $values) {
foreach ($values as $v) {
try {
$e = $this->doSave($v, $lifetime);
} catch (\Exception $e) {
}
if (true !== $e && array() !== $e) {
$ok = false;
foreach ($v as $key => $value) {
$type = is_object($value) ? get_class($value) : gettype($value);
CacheItem::log($this->logger, 'Failed to save key "{key}" ({type})', array('key' => $key, 'type' => $type, 'exception' => $e instanceof \Exception ? $e : null));
}
}
}
}
return $ok;
}
/**
* {@inheritdoc}
*/
public function save(CacheItemInterface $item)
{
if (!$item instanceof CacheItem) {
return false;
}
$item = (array) $item;
$key = $item[CacheItem::CAST_PREFIX . 'key'];
$value = $item[CacheItem::CAST_PREFIX . 'value'];
$lifetime = $item[CacheItem::CAST_PREFIX . 'lifetime'];
if (0 > $lifetime) {
return true;
}
if (is_object($value)) {
try {
$value = clone $value;
} catch (\Exception $e) {
$type = is_object($value) ? get_class($value) : gettype($value);
CacheItem::log($this->logger, 'Failed to clone key "{key}" ({type})', array('key' => $key, 'type' => $type, 'exception' => $e));
return false;
}
}
$this->values[$key] = $value;
$this->expiries[$key] = $lifetime ? $lifetime + time() : PHP_INT_MAX;
return true;
}
