Mercurial > hg > isophonics-drupal-site
view core/modules/migrate/src/Plugin/MigrateProcessInterface.php @ 0:4c8ae668cc8c
Initial import (non-working)
author | Chris Cannam |
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date | Wed, 29 Nov 2017 16:09:58 +0000 |
parents | |
children | c2387f117808 |
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<?php namespace Drupal\migrate\Plugin; use Drupal\Component\Plugin\PluginInspectionInterface; use Drupal\migrate\MigrateExecutableInterface; use Drupal\migrate\Row; /** * An interface for migrate process plugins. * * A process plugin can use any number of methods instead of (but not in * addition to) transform with the same arguments and then the plugin * configuration needs to provide the name of the method to be called via the * "method" key. See \Drupal\migrate\Plugin\migrate\process\SkipOnEmpty and * migrate.migration.d6_field_instance_widget_settings.yml for examples. * * @see \Drupal\migrate\Plugin\MigratePluginManager * @see \Drupal\migrate\ProcessPluginBase * @see \Drupal\migrate\Annotation\MigrateProcessPlugin * @see plugin_api * * @ingroup migration */ interface MigrateProcessInterface extends PluginInspectionInterface { /** * Performs the associated process. * * @param mixed $value * The value to be transformed. * @param \Drupal\migrate\MigrateExecutableInterface $migrate_executable * The migration in which this process is being executed. * @param \Drupal\migrate\Row $row * The row from the source to process. Normally, just transforming the value * is adequate but very rarely you might need to change two columns at the * same time or something like that. * @param string $destination_property * The destination property currently worked on. This is only used together * with the $row above. * * @return string|array * The newly transformed value. */ public function transform($value, MigrateExecutableInterface $migrate_executable, Row $row, $destination_property); /** * Indicates whether the returned value requires multiple handling. * * @return bool * TRUE when the returned value contains a list of values to be processed. * For example, when the 'source' property is a string and the value found * is an array. */ public function multiple(); }