package ca.uhn.fhir.rest.gclient; /* * #%L * HAPI FHIR - Core Library * %% * Copyright (C) 2014 - 2017 University Health Network * %% * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * #L% */ import org.hl7.fhir.instance.model.api.IBaseResource; import ca.uhn.fhir.rest.server.exceptions.NotModifiedException; public interface IReadIfNoneMatch<T extends IBaseResource> { /** * If the server responds with an <code>HTTP 301 Not Modified</code>, * return the given instance. */ IReadExecutable<T> returnResource(T theInstance); /** * If the server responds with an <code>HTTP 301 Not Modified</code>, * return <code>null</code>. */ IReadExecutable<T> returnNull(); /** * If the server responds with an <code>HTTP 301 Not Modified</code>, * throw a {@link NotModifiedException}. */ IReadExecutable<T> throwNotModifiedException(); }