ChadoIdSpace/ChadoVocabulary Missing Values

[spficklin]

If the user creates a Vocabulary or IDSpace it will automatically add the records to the tripal_vocabulary_collection table. This in turn will call ChadoIdSpace::create() and ChadoVocabulary::create() function respectively and those will add the appropriate record to the cv and db tables of Chado. However, if for some reason the cv or db records get deleted outside of Tripal ( for example the Chado schema is dropped and recreated) then the ChadoIdSpace and ChadoVocabulary plugins can't get a record so the getters return nothing.

The current way to test if an IDspace or Vocabulary exists is to call the loadCollection function for the plugin manager. If it does not return NULL then we know the collection exists. For example:

    $idsmanager = \Drupal::service('tripal.collection_plugin_manager.idspace');
    $idSpace = $idsmanager->loadCollection($name, 'chado_id_space');
    if (!$idSpace) {
      $idSpace = $idsmanager->createCollection($name, 'chado_id_space');
    }

Can we add a new TripalCollectionPluginInterface::load function that can be called with the loadCollection function is called and allow the plugin to report if the collection exists internally and if not return NULL so it can be recreatd?