/**
* Returns an OntModel.
* $modelType has to be one of the following constants:
* MEMMODEL, DBMODEL, INFMODELF, INFMODELB to create a OntModel
* with a new model from defined type.
* $vocabulary defines the ontology language. Currently only
* RDFS_VOCABULARY is supported. You can supply a model base URI.
*
* @param constant $modelType
* @param constant $vocabulary
* @param string $baseURI
* @return object OntModel
* @access public
*/
function &getOntModel($modelType, $vocabulary, $baseURI = null)
{
switch ($modelType) {
case DBMODEL:
$baseModel = ModelFactory::getDefaultDbModel($baseURI);
break;
case INFMODELF:
$baseModel = ModelFactory::getInfModelF($baseURI);
break;
case INFMODELB:
$baseModel = ModelFactory::getInfModelB($baseURI);
break;
default:
$baseModel = ModelFactory::getMemModel($baseURI);
}
return ModelFactory::getOntModelForBaseModel($baseModel, $vocabulary);
}