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1   package ca.uhn.fhir.rest.gclient;
2   
3   /*
4    * #%L
5    * HAPI FHIR - Core Library
6    * %%
7    * Copyright (C) 2014 - 2018 University Health Network
8    * %%
9    * Licensed under the Apache License, Version 2.0 (the "License");
10   * you may not use this file except in compliance with the License.
11   * You may obtain a copy of the License at
12   * 
13   *      http://www.apache.org/licenses/LICENSE-2.0
14   * 
15   * Unless required by applicable law or agreed to in writing, software
16   * distributed under the License is distributed on an "AS IS" BASIS,
17   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
18   * See the License for the specific language governing permissions and
19   * limitations under the License.
20   * #L%
21   */
22  
23  import org.hl7.fhir.instance.model.api.IBaseResource;
24  
25  public interface IReadExecutable<T extends IBaseResource> extends IClientExecutable<IReadExecutable<T>, T>{
26  
27  	/**
28  	 * Send an "If-None-Match" header containing <code>theVersion</code>, which requests
29  	 * that the server return an "HTTP 301 Not Modified" if the newest version of the resource
30  	 * on the server has the same version as the version ID specified by <code>theVersion</code>.
31  	 * In this case, the client operation will perform the linked operation.
32  	 * <p>
33  	 * See the <a href="http://jamesagnew.github.io/hapi-fhir/doc_rest_etag.html">ETag Documentation</a>
34  	 * for more information.
35  	 * </p>
36  	 * @param theVersion The version ID (e.g. "123")
37  	 */
38  	IReadIfNoneMatch<T> ifVersionMatches(String theVersion);
39  
40  }