interface ResourceCheckerInterface

Interface for ResourceCheckers.

When a ResourceCheckerConfigCache instance is checked for freshness, all its associated metadata resources are passed to ResourceCheckers. The ResourceCheckers can then inspect the resources and decide whether the cache can be considered fresh or not.

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.

Details

at line line 37
bool supports(ResourceInterface $metadata)

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

Parameters

ResourceInterface $metadata The resource to be checked for freshness

Return Value

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

at line line 47
bool isFresh(ResourceInterface $resource, int $timestamp)

Validates the resource.

Parameters

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

Return Value

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