public static function FeedsConfigurable::instance in Feeds 7.2

Same name and namespace in other branches

1. 6 includes/FeedsConfigurable.inc \FeedsConfigurable::instance()
2. 7 includes/FeedsConfigurable.inc \FeedsConfigurable::instance()

Provides a statically cached instance of a FeedsConfigurable subclass.

Don't use directly, use feeds_importer() or feeds_plugin() instead.

Parameters

string $class: The name of a subclass of FeedsConfigurable.

string $id: The ID of this configuration object.

Return value

FeedsConfigurable An instance of this class.

Throws

InvalidArgumentException When an empty configuration identifier is passed.

See also

feeds_importer()

feeds_plugin()

1 call to FeedsConfigurable::instance()

feeds_importer in ./feeds.module

Gets an importer instance.

2 methods override FeedsConfigurable::instance()

FeedsPlugin::instance in plugins/FeedsPlugin.inc

Instantiates a FeedsPlugin object.

FeedsSource::instance in includes/FeedsSource.inc

Instantiates an unique FeedsSource per class, importer ID and Feed node ID.

File

includes/FeedsConfigurable.inc, line 83

FeedsConfigurable and helper functions.

Class

FeedsConfigurable

Base class for configurable classes.

Code

public static function instance($class, $id) {

  // @todo Verify that $class is an existing subclass of FeedsConfigurable.
  if (!strlen($id)) {
    throw new InvalidArgumentException(t('Empty configuration identifier.'));
  }
  $instances =& drupal_static(__METHOD__, array());
  if (!isset($instances[$class][$id])) {
    $instances[$class][$id] = new $class($id);
  }
  return $instances[$class][$id];
}