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1   package ca.uhn.fhir.util;
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 java.util.List;
24  
25  import org.hl7.fhir.instance.model.api.IBase;
26  import org.hl7.fhir.instance.model.api.IBaseResource;
27  
28  import ca.uhn.fhir.context.BaseRuntimeChildDefinition;
29  import ca.uhn.fhir.context.BaseRuntimeElementDefinition;
30  
31  /**
32   * @see FhirTerser#visit(IBaseResource, IModelVisitor)
33   */
34  public interface IModelVisitor {
35  
36  	/**
37  	 * @param theResource
38  	 *           The resource being visited (note that generally this will be the resource upon which
39  	 *           visit was originally called, but in the case of descending into contained resources this will be the contained resource instead)
40  	 * @param theElement
41  	 *           The element
42  	 * @param theChildDefinition
43  	 *           May be null if this is a root element
44  	 * @param theDefinition
45  	 */
46  	void acceptElement(IBaseResource theResource, IBase theElement, List<String> thePathToElement, BaseRuntimeChildDefinition theChildDefinition, BaseRuntimeElementDefinition<?> theDefinition);
47  
48  }