001/*
002 * #%L
003 * HAPI FHIR - Core Library
004 * %%
005 * Copyright (C) 2014 - 2024 Smile CDR, Inc.
006 * %%
007 * Licensed under the Apache License, Version 2.0 (the "License");
008 * you may not use this file except in compliance with the License.
009 * You may obtain a copy of the License at
010 *
011 *      http://www.apache.org/licenses/LICENSE-2.0
012 *
013 * Unless required by applicable law or agreed to in writing, software
014 * distributed under the License is distributed on an "AS IS" BASIS,
015 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
016 * See the License for the specific language governing permissions and
017 * limitations under the License.
018 * #L%
019 */
020package ca.uhn.fhir.rest.gclient;
021
022import org.hl7.fhir.instance.model.api.IBaseResource;
023
024public interface IReadExecutable<T extends IBaseResource> extends IClientExecutable<IReadExecutable<T>, T> {
025
026        /**
027         * Send an "If-None-Match" header containing <code>theVersion</code>, which requests
028         * that the server return an "HTTP 301 Not Modified" if the newest version of the resource
029         * on the server has the same version as the version ID specified by <code>theVersion</code>.
030         * In this case, the client operation will perform the linked operation.
031         *
032         * @param theVersion The version ID (e.g. "123")
033         */
034        IReadIfNoneMatch<T> ifVersionMatches(String theVersion);
035}