001package org.hl7.fhir.instance.model.api;
002
003
004/*
005 * #%L
006 * HAPI FHIR - Core Library
007 * %%
008 * Copyright (C) 2014 - 2021 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}