SelfCheckingResourceChecker

class SelfCheckingResourceChecker implements ResourceCheckerInterface

Resource checker for instances of SelfCheckingResourceInterface.

As these resources perform the actual check themselves, we can provide this class as a standard way of validating them.

Methods

bool	supports(ResourceInterface $metadata) Queries the ResourceChecker whether it can validate a given resource or not.
bool	isFresh(ResourceInterface $resource, int $timestamp) Validates the resource.

Queries the ResourceChecker whether it can validate a given resource or not.

$metadata

The resource to be checked for freshness

bool	True if the ResourceChecker can handle this resource type, false if not

Validates the resource.

ResourceInterface	$resource	The resource to be validated.
int	$timestamp	The timestamp at which the cache associated with this resource was created.

bool	True if the resource has not changed since the given timestamp, false otherwise.