ObjectTypeNode otn = getObjectTypeNode(kbase, Person.class );
ReteooWorkingMemoryInterface wm = ((StatefulKnowledgeSessionImpl)kbase.newStatefulKnowledgeSession()).session;
AlphaNode alphaNode1 = ( AlphaNode ) otn.getSinkPropagator().getSinks()[0];
CompositeObjectSinkAdapter sinkAdapter = (CompositeObjectSinkAdapter)alphaNode1.getSinkPropagator();
ObjectSinkNodeList hashableSinks = sinkAdapter.getHashableSinks();
assertNotNull(hashableSinks);
assertEquals(2, hashableSinks.size());
AlphaNode alphaNode2 = ( AlphaNode ) alphaNode1.getSinkPropagator().getSinks()[0];
assertSame(hashableSinks.getFirst(), alphaNode2);