/**
* Sets the value for this key only if the value hasn't changed in the cache
* since it was originally pulled
*
* @param \r8\Cache\Result $result A result object that was returned by
* the getForUpdate method
* @param mixed $value The value to set
* @param Integer $expire The lifespan of this cache value, in seconds
* @return \r8\iface\Cache Returns a self reference
*/
public function setIfSame(\r8\Cache\Result $result, $value, $expire = 0)
{
if (!$this->cache instanceof \r8\iface\Cache\Updatable) {
throw new \r8\Exception\Data($this->cache, 'Inner Cache', 'Must be an instance of \\r8\\iface\\Cache\\Updatable');
}
$this->cache->setIfSame(new \r8\Cache\Result($this->cache, $this->modifyKey($result->getKey()), $result->getHash(), $result->getValue()), $value, $expire);
return $this;
}
/**
* Sets the value for this key only if the value hasn't changed in the cache
* since it was originally pulled
*
* @param \r8\Cache\Result $result A result object that was returned by
* the getForUpdate method
* @param mixed $value The value to set
* @param Integer $expire The lifespan of this cache value, in seconds
* @return \r8\iface\Cache Returns a self reference
*/
public function setIfSame(\r8\Cache\Result $result, $value, $expire = 0)
{
$currentValue = $this->get($result->getKey());
if (sha1(serialize($currentValue)) == $result->getHash()) {
$this->set($result->getKey(), $value, $expire);
}
return $this;
}
/**
* Sets the value for this key only if the value hasn't changed in the cache
* since it was originally pulled
*
* @param \r8\Cache\Result $result A result object that was returned by
* the getForUpdate method
* @param mixed $value The value to set
* @param Integer $expire The lifespan of this cache value, in seconds
* @return \r8\iface\Cache Returns a self reference
*/
public function setIfSame(\r8\Cache\Result $result, $value, $expire = 0)
{
$this->memcached->cas($result->getHash(), $this->prepareKey($result->getKey()), $value, $this->prepareExpire($expire));
$this->handleErrors();
return $this;
}
