@Override public CompositeBehavior enterCompositeTransform(Node node) { if (node.getTransform() instanceof StatefulSingleOutputParDo) { batchStatefulDoFn = ((StatefulSingleOutputParDo) node.getTransform()).getOriginalParDo().getFn(); return CompositeBehavior.DO_NOT_ENTER_TRANSFORM; } else if (node.getTransform() instanceof StatefulMultiOutputParDo) { batchStatefulDoFn = ((StatefulMultiOutputParDo) node.getTransform()).getOriginalParDo().getFn(); return CompositeBehavior.DO_NOT_ENTER_TRANSFORM; } else { return CompositeBehavior.ENTER_TRANSFORM; } } }