Unverified Commit 15946fea authored by alexpott's avatar alexpott

Issue #2936821 by msankhala, joachim, lomasr, marxjohnson: unclear docs in MigrateProcessInterface

parent c0238404
......@@ -9,11 +9,16 @@
/**
* 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.
* A process plugin will typically implement the transform() method to perform
* its work. However, it is possible instead for a process plugin to use any
* number of methods, thus offering different alternatives ways of processing.
* In this case, the transform() method should not be implemented, and the
* plugin configuration must provide the name of the method to be called via the
* "method" key. Each method must have the same signature as transform().
* The base class \Drupal\migrate\ProcessPluginBase takes care of implementing
* transform() and calling the configured method. See
* \Drupal\migrate\Plugin\migrate\process\SkipOnEmpty and
* d6_field_instance_widget_settings.yml for examples.
*
* @see \Drupal\migrate\Plugin\MigratePluginManager
* @see \Drupal\migrate\ProcessPluginBase
......
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