ResourceCheckerInterface

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

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

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

Links:

http://api.symfony.com/master/Symfony/Component/Config/ResourceCheckerInterface.html

doc_Symfony

2016-10-28 06:30:14

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