001package org.hl7.fhir.instance.model.api;
002
003import java.io.Serializable;
004
005/*
006 * #%L
007 * HAPI FHIR - Core Library
008 * %%
009 * Copyright (C) 2014 - 2016 University Health Network
010 * %%
011 * Licensed under the Apache License, Version 2.0 (the "License");
012 * you may not use this file except in compliance with the License.
013 * You may obtain a copy of the License at
014 * 
015 *      http://www.apache.org/licenses/LICENSE-2.0
016 * 
017 * Unless required by applicable law or agreed to in writing, software
018 * distributed under the License is distributed on an "AS IS" BASIS,
019 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
020 * See the License for the specific language governing permissions and
021 * limitations under the License.
022 * #L%
023 */
024
025/**
026 * This interface is a simple marker for anything which is an HL7
027 * structure of some kind. It is provided mostly to simplify convergence
028 * between the HL7.org structures and the HAPI ones. 
029 */
030public interface IBase extends Serializable {
031
032        boolean isEmpty();
033
034}