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.fhirpath; 021 022import jakarta.annotation.Nonnull; 023import jakarta.annotation.Nullable; 024import org.hl7.fhir.instance.model.api.IBase; 025import org.hl7.fhir.instance.model.api.IIdType; 026 027public interface IFhirPathEvaluationContext { 028 029 /** 030 * Evaluates the <code>resolve()</code> function and returns the target 031 * of the resolution. 032 * 033 * @param theReference The reference 034 * @param theContext The entity containing the reference. Note that this will be <code>null</code> for FHIR versions R4 and below. 035 */ 036 default IBase resolveReference(@Nonnull IIdType theReference, @Nullable IBase theContext) { 037 return null; 038 } 039}