001package ca.uhn.fhir.util;
002
003/*
004 * #%L
005 * HAPI FHIR - Core Library
006 * %%
007 * Copyright (C) 2014 - 2016 University Health Network
008 * %%
009 * Licensed under the Apache License, Version 2.0 (the "License");
010 * you may not use this file except in compliance with the License.
011 * You may obtain a copy of the License at
012 * 
013 *      http://www.apache.org/licenses/LICENSE-2.0
014 * 
015 * Unless required by applicable law or agreed to in writing, software
016 * distributed under the License is distributed on an "AS IS" BASIS,
017 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
018 * See the License for the specific language governing permissions and
019 * limitations under the License.
020 * #L%
021 */
022
023import java.util.List;
024
025import org.hl7.fhir.instance.model.api.IBase;
026import org.hl7.fhir.instance.model.api.IBaseResource;
027
028import ca.uhn.fhir.context.BaseRuntimeChildDefinition;
029import ca.uhn.fhir.context.BaseRuntimeElementDefinition;
030import ca.uhn.fhir.model.api.ExtensionDt;
031import ca.uhn.fhir.model.api.ISupportsUndeclaredExtensions;
032
033/**
034 * @see FhirTerser#visit(IBaseResource, IModelVisitor)
035 */
036public interface IModelVisitor {
037
038        /**
039         * 
040         * @param theElement
041         * @param theChildDefinition May be null if this is a root element
042         * @param theDefinition
043         */
044        void acceptElement(IBase theElement, List<String> thePathToElement, BaseRuntimeChildDefinition theChildDefinition, BaseRuntimeElementDefinition<?> theDefinition);
045
046        /**
047         * 
048         * @param theContainingElement
049         * @param theChildDefinition May be null if this is a root element
050         * @param theDefinition
051         * @param theNextExt
052         */
053        void acceptUndeclaredExtension(ISupportsUndeclaredExtensions theContainingElement, List<String> thePathToElement, BaseRuntimeChildDefinition theChildDefinition, BaseRuntimeElementDefinition<?> theDefinition, ExtensionDt theNextExt);
054
055}