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

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

Public Member Functions
	registerExtractionService ($className)
	getExtractorsWithDriverSupport ($driverType)

Static Public Member Functions
static	getInstance ()

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

Protected Attributes
	$extractors = []
	$instances = null

Detailed Description

Registry for MetaData extraction Services

Definition at line 24 of file ExtractorRegistry.php.

Member Function Documentation

compareExtractorPriority()

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 121 of file ExtractorRegistry.php.

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

createExtractorInstance()

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

protected

Create an instance of a Metadata Extractor

Parameters

string

$className

Returns

ExtractorInterface

Definition at line 132 of file ExtractorRegistry.php.

References TYPO3\CMS\Core\Utility\GeneralUtility\makeInstance().

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

getExtractorsWithDriverSupport()

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

(

$driverType

)

Get Extractors which work for a special driver

Parameters

string

$driverType

Returns

ExtractorInterface[]

Definition at line 96 of file ExtractorRegistry.php.

getInstance()

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

static

Returns an instance of this class

Returns

ExtractorRegistry

Definition at line 44 of file ExtractorRegistry.php.

References TYPO3\CMS\Core\Utility\GeneralUtility\makeInstance().

Referenced by TYPO3\CMS\Core\Resource\Index\Indexer\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 55 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().

Member Data Documentation

$extractors

TYPO3\CMS\Core\Resource\Index\ExtractorRegistry::$extractors = []

protected

Definition at line 30 of file ExtractorRegistry.php.

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

$instances

TYPO3\CMS\Core\Resource\Index\ExtractorRegistry::$instances = null

protected

Definition at line 37 of file ExtractorRegistry.php.

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