TYPO3\CMS\Core\Resource\Index\ExtractorRegistry Class Reference

Inheritance diagram for TYPO3\CMS\Core\Resource\Index\ExtractorRegistry:

Public Member Functions
	registerExtractionService ($className)
ExtractorInterface[]	getExtractors ()
ExtractorInterface[]	getExtractorsWithDriverSupport ($driverType)

Static Public Member Functions
static ExtractorRegistry	getInstance ()

Protected Member Functions
int	compareExtractorPriority (ExtractorInterface $extractorA, ExtractorInterface $extractorB)
ExtractorInterface	createExtractorInstance ($className)

Protected Attributes
array	$extractors = array( )
ExtractorInterface[]	$instances

Detailed Description

Registry for MetaData extraction Services

Definition at line 24 of file ExtractorRegistry.php.

Member Function Documentation

compareExtractorPriority()

int TYPO3\CMS\Core\Resource\Index\ExtractorRegistry::compareExtractorPriority ( ExtractorInterface  $extractorA, ExtractorInterface  $extractorB  )

protected

Compare the priority of two Extractor classes. Is used for sorting array of Extractor instances by priority. We want the result to be ordered from high to low so a higher priority comes before a lower.

Parameters

ExtractorInterface	$extractorA
ExtractorInterface	$extractorB

Returns

‪int -1 a > b, 0 a == b, 1 a < b

Definition at line 118 of file ExtractorRegistry.php.

References TYPO3\CMS\Core\Resource\Index\ExtractorInterface\getPriority().

createExtractorInstance()

ExtractorInterface TYPO3\CMS\Core\Resource\Index\ExtractorRegistry::createExtractorInstance (   $className )

protected

Create an instance of a Metadata Extractor

Parameters

string

$className

Returns

‪ExtractorInterface

Definition at line 129 of file ExtractorRegistry.php.

Referenced by TYPO3\CMS\Core\Resource\Index\ExtractorRegistry\getExtractors().

getExtractors()

ExtractorInterface [] TYPO3\CMS\Core\Resource\Index\ExtractorRegistry::getExtractors

(

)

Get all registered extractors

Returns

‪ExtractorInterface[]

Definition at line 69 of file ExtractorRegistry.php.

References TYPO3\CMS\Core\Resource\Index\ExtractorRegistry\$extractors, TYPO3\CMS\Core\Resource\Index\ExtractorRegistry\$instances, and TYPO3\CMS\Core\Resource\Index\ExtractorRegistry\createExtractorInstance().

Referenced by TYPO3\CMS\Core\Resource\Index\ExtractorRegistry\getExtractorsWithDriverSupport(), and TYPO3\CMS\Scheduler\Task\FileStorageExtractionAdditionalFieldProvider\getRegisteredExtractorsField().

getExtractorsWithDriverSupport()

ExtractorInterface [] TYPO3\CMS\Core\Resource\Index\ExtractorRegistry::getExtractorsWithDriverSupport

(

$driverType

)

Get Extractors which work for a special driver

Parameters

string

$driverType

Returns

‪ExtractorInterface[]

Definition at line 94 of file ExtractorRegistry.php.

References TYPO3\CMS\Core\Resource\Index\ExtractorRegistry\getExtractors().

Referenced by TYPO3\CMS\Core\Resource\Service\ExtractorService\getExtractionServices().

getInstance()

static ExtractorRegistry TYPO3\CMS\Core\Resource\Index\ExtractorRegistry::getInstance ( )

static

Returns an instance of this class

Returns

‪ExtractorRegistry

Definition at line 42 of file ExtractorRegistry.php.

Referenced by TYPO3\CMS\Core\Resource\Service\ExtractorService\getExtractorRegistry(), and TYPO3\CMS\Scheduler\Task\FileStorageExtractionAdditionalFieldProvider\getRegisteredExtractorsField().

registerExtractionService()

TYPO3\CMS\Core\Resource\Index\ExtractorRegistry::registerExtractionService

(

$className

)

Allows to register MetaData extraction to the FAL Indexer

Parameters

string

$className

Exceptions

Definition at line 53 of file ExtractorRegistry.php.

Member Data Documentation

$extractors

array TYPO3\CMS\Core\Resource\Index\ExtractorRegistry::$extractors = array( )

protected

Registered ClassNames

Definition at line 29 of file ExtractorRegistry.php.

Referenced by TYPO3\CMS\Core\Resource\Index\ExtractorRegistry\getExtractors().

$instances

ExtractorInterface [] TYPO3\CMS\Core\Resource\Index\ExtractorRegistry::$instances

protected

Instance Cache for Extractors

Definition at line 35 of file ExtractorRegistry.php.

Referenced by TYPO3\CMS\Core\Resource\Index\ExtractorRegistry\getExtractors().