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- <?php
- /**
- * @file
- * Definition of EntityReferenceTermMergeSynonymsBehavior class.
- */
- /**
- * Synonyms "term_merge" behavior for 'entityreference' field type.
- */
- class EntityReferenceTermMergeSynonymsBehavior extends EntityReferenceSynonymsBehavior implements TermMergeSynonymsBehavior {
- /**
- * Add an entity as a synonym into another entity.
- *
- * Basically this method should be called when you want to add some entity as
- * a synonym to another entity (for example when you merge one entity into
- * another and besides merging want to add synonym of the merged entity into
- * the trunk entity). You should update $trunk_entity in such a way that it
- * holds $synonym_entity as a synonym (it all depends on how data is stored in
- * your behavior implementation, but probably you will store entity label or
- * its ID as you cannot literally store an entity inside of another entity).
- * If entity of type $synonym_entity_type cannot be converted into a format
- * expected by your behavior implementation, just do nothing.
- *
- * @param object $trunk_entity
- * Entity into which another one should be added as synonym
- * @param object $synonym_entity
- * Fully loaded entity object which has to be added as synonym
- * @param string $synonym_entity_type
- * Entity type of $synonym_entity
- */
- public function mergeTerm($trunk_entity, $synonym_entity, $synonym_entity_type) {
- // Firstly validating that this entity reference is able to reference that
- // type of entity.
- $expected_synonym_entity_type = $this->field['settings']['target_type'];
- $items = $this->entityItems($trunk_entity);
- if ($expected_synonym_entity_type != $synonym_entity_type) {
- return;
- }
- $synonym_entity_id = entity_extract_ids($synonym_entity_type, $synonym_entity);
- $synonym_entity_id = $synonym_entity_id[0];
- $items[] = array(
- 'target_id' => $synonym_entity_id,
- );
- $trunk_entity->{$this->field['field_name']}[LANGUAGE_NONE] = $this->uniqueItems($items, array('target_id'));
- }
- }
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