private void getRelationship(String subject, String predicate, String object, boolean isLiteral, String datatype) throws Exception { addRelationship(subject, predicate, object, isLiteral, datatype); List<RelationshipTuple> tuples = apim.getRelationships(subject, predicate); assertNotNull(tuples); assertEquals(1, tuples.size()); assertEquals(subjectAsURI(subject), tuples.get(0).getSubject()); assertEquals(predicate, tuples.get(0).getPredicate()); assertEquals(object, tuples.get(0).getObject()); assertEquals(isLiteral, tuples.get(0).isIsLiteral()); assertEquals(datatype, tuples.get(0).getDatatype()); }