001package org.hl7.fhir.instance.model.api; 002 003 004/* 005 * #%L 006 * HAPI FHIR - Core Library 007 * %% 008 * Copyright (C) 2014 - 2022 Smile CDR, Inc. 009 * %% 010 * Licensed under the Apache License, Version 2.0 (the "License"); 011 * you may not use this file except in compliance with the License. 012 * You may obtain a copy of the License at 013 * 014 * http://www.apache.org/licenses/LICENSE-2.0 015 * 016 * Unless required by applicable law or agreed to in writing, software 017 * distributed under the License is distributed on an "AS IS" BASIS, 018 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 019 * See the License for the specific language governing permissions and 020 * limitations under the License. 021 * #L% 022 */ 023 024 025import javax.annotation.Nullable; 026 027public interface IPrimitiveType<T> extends IBaseDatatype { 028 029 String getValueAsString(); 030 031 void setValueAsString(String theValue) throws IllegalArgumentException; 032 033 T getValue(); 034 035 IPrimitiveType<T> setValue(T theValue) throws IllegalArgumentException; 036 037 boolean hasValue(); 038 039 /** 040 * If the supplied argument is non-null, returns the results of {@link #getValue()}. If the supplied argument is null, returns null. 041 */ 042 @Nullable 043 static <T> T toValueOrNull(@Nullable IPrimitiveType<T> thePrimitiveType) { 044 return thePrimitiveType != null ? thePrimitiveType.getValue() : null; 045 } 046 047}