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 org.hl7.fhir.instance.model.api; 021 022import jakarta.annotation.Nullable; 023 024public interface IPrimitiveType<T> extends IBaseDatatype { 025 026 String getValueAsString(); 027 028 void setValueAsString(String theValue) throws IllegalArgumentException; 029 030 T getValue(); 031 032 IPrimitiveType<T> setValue(T theValue) throws IllegalArgumentException; 033 034 boolean hasValue(); 035 036 /** 037 * If the supplied argument is non-null, returns the results of {@link #getValue()}. If the supplied argument is null, returns null. 038 */ 039 @Nullable 040 static <T> T toValueOrNull(@Nullable IPrimitiveType<T> thePrimitiveType) { 041 return thePrimitiveType != null ? thePrimitiveType.getValue() : null; 042 } 043}