danielebarchiesi@4: <?php
danielebarchiesi@4: // $Id$
danielebarchiesi@4: 
danielebarchiesi@4: /**
danielebarchiesi@4:  * @file
danielebarchiesi@4:  * This is an example outlining how a module can be used to define RDF mappings.
danielebarchiesi@4:  * We define mappings for a node type defined in this module.
danielebarchiesi@4:  */
danielebarchiesi@4: 
danielebarchiesi@4: /**
danielebarchiesi@4:  * Implements hook_rdf_mapping().
danielebarchiesi@4:  *
danielebarchiesi@4:  * This hook should only be used to define the RDF mapping for an entity or
danielebarchiesi@4:  * bundle that has been defined by this module. On installation, this mapping
danielebarchiesi@4:  * will be saved to the database. To alter anything in this mapping after module
danielebarchiesi@4:  * installation (or to alter bundles defined in another module), the RDF CRUD
danielebarchiesi@4:  * functions should be used.
danielebarchiesi@4:  */
danielebarchiesi@4: function rdf_example_rdf_mapping() {
danielebarchiesi@4:   return array(
danielebarchiesi@4:     'recipe' => array(
danielebarchiesi@4:       'type' => 'node',
danielebarchiesi@4:       'bundle' => 'recipe',
danielebarchiesi@4:       'mapping' => array(
danielebarchiesi@4:         'rdftype' => array('v:Recipe'),
danielebarchiesi@4:         // We don't use the default bundle mapping for title. Instead, we add
danielebarchiesi@4:         // the v:name property. We still want to use dc:title as well, though,
danielebarchiesi@4:         // so we include it in the array.
danielebarchiesi@4:         'title' => array(
danielebarchiesi@4:           'predicates' => array('dc:title', 'v:name'),
danielebarchiesi@4:         ),
danielebarchiesi@4:         'recipe_summary' => array(
danielebarchiesi@4:           'predicates' => array('v:summary'),
danielebarchiesi@4:         ),
danielebarchiesi@4:         // The photo URI isn't a string but instead points to a resource, so we
danielebarchiesi@4:         // indicate that the attribute type is rel. If type isn't specified, it
danielebarchiesi@4:         // defaults to property, which is used for string values.
danielebarchiesi@4:         'recipe_photo' => array(
danielebarchiesi@4:           'predicates' => array('v:photo'),
danielebarchiesi@4:           'type' => 'rel',
danielebarchiesi@4:         ),
danielebarchiesi@4:         'recipe_nutrition' => array(
danielebarchiesi@4:           'predicates' => array('v:nutrition'),
danielebarchiesi@4:           'type' => 'rel',
danielebarchiesi@4:         ),
danielebarchiesi@4:       ),
danielebarchiesi@4:     ),
danielebarchiesi@4:     'nutrition' => array(
danielebarchiesi@4:       'type' => 'field_collection_item',
danielebarchiesi@4:       'bundle' => 'recipe_nutrition',
danielebarchiesi@4:       'mapping' => array(
danielebarchiesi@4:         'rdftype' => array('v:Nutrition'),
danielebarchiesi@4:         'recipe_serving_size' => array(
danielebarchiesi@4:           'predicates' => array('v:servingSize'),
danielebarchiesi@4:         ),
danielebarchiesi@4:         'recipe_calories' => array(
danielebarchiesi@4:           'predicates' => array('v:calories'),
danielebarchiesi@4:         ),
danielebarchiesi@4:       ),
danielebarchiesi@4:     ),
danielebarchiesi@4:   );
danielebarchiesi@4: }
danielebarchiesi@4: 
danielebarchiesi@4: /*
danielebarchiesi@4:  * Implements hook_rdf_namespaces().
danielebarchiesi@4:  *
danielebarchiesi@4:  * This hook should be used to define any prefixes used by this module that are
danielebarchiesi@4:  * not already defined in core by rdf_rdf_namespaces.
danielebarchiesi@4:  *
danielebarchiesi@4:  * http://api.drupal.org/api/drupal/modules--rdf--rdf.api.php/function/hook_rdf_namespaces/7
danielebarchiesi@4:  */
danielebarchiesi@4: function rdf_example_rdf_namespaces() {
danielebarchiesi@4:   return array(
danielebarchiesi@4:     // Google's namespace for their custom vocabularies.
danielebarchiesi@4:     'v' => 'http://rdf.data-vocabulary.org/#', 
danielebarchiesi@4:   );
danielebarchiesi@4: }