D-Net

			"pid",

			"pid_type",

			"resolver",

	));

	private final UpdateOptions upsert = new UpdateOptions().upsert(true);

                .add("pid_type", resolvedObject.getPidType().toLowerCase())

                .add("dnet_identifier", generateDNetIdentifier(resolvedObject))

				.add("resolver", resolver)

				.add("body", resolvedObject.toJsonString())

				.get();

		final Bson dnet_identifier = (Bson) BasicDBObjectBuilder.start().add("dnet_identifier", ns_header + resolvedObject.getIdentifier()).get();