calls casexxx for each class of the model until one returns a non null result ; it yields that result . concode_field_sep RelationshipsPackage modelPackage concode_field_sep T caseAssociationEnd concode_elem_sep T caseModelElement concode_elem_sep T caseFeature concode_elem_sep T caseStructuralFeature concode_elem_sep T caseGeneralization concode_elem_sep T caseAssociation concode_elem_sep T caseElement concode_elem_sep T caseClass concode_elem_sep T caseClassifier concode_elem_sep T caseNamespace concode_elem_sep T defaultCase
T function ( EObject arg0 ) { return doSwitch ( arg0 . eClass ( ) , arg0 ) ; }