/**
* {@inheritdoc}
*/
public function checkIntegrity(ExecutionMetadataStateInterface $metadata_state)
{
$violation_list = new IntegrityViolationList();
if (empty($this->configuration['list'])) {
$violation_list->addViolationWithMessage($this->t('List variable is missing.'));
return $violation_list;
}
try {
$list_definition = $metadata_state->fetchDefinitionByPropertyPath($this->configuration['list']);
} catch (RulesIntegrityException $e) {
$violation_list->addViolationWithMessage($this->t('List variable %list does not exist. @message', ['%list' => $this->configuration['list'], '@message' => $e->getMessage()]));
return $violation_list;
}
$list_item_name = isset($this->configuration['list_item']) ? $this->configuration['list_item'] : 'list_item';
if ($metadata_state->hasDataDefinition($list_item_name)) {
$violation_list->addViolationWithMessage($this->t('List item name %name conflicts with an existing variable.', ['%name' => $list_item_name]));
return $violation_list;
}
if ($list_definition instanceof ListDataDefinitionInterface) {
$list_item_definition = $list_definition->getItemDefinition();
$metadata_state->setDataDefinition($list_item_name, $list_item_definition);
$violation_list = parent::checkIntegrity($metadata_state);
// Remove the list item variable after the loop, it is out of scope now.
$metadata_state->removeDataDefinition($list_item_name);
return $violation_list;
}
$violation_list->addViolationWithMessage($this->t('The data type of list variable %list is not a list.', ['%list' => $this->configuration['list']]));
return $violation_list;
}
