001package ca.uhn.fhir.cql.common.provider;
002
003/*-
004 * #%L
005 * HAPI FHIR JPA Server - Clinical Quality Language
006 * %%
007 * Copyright (C) 2014 - 2022 Smile CDR, Inc.
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 ca.uhn.fhir.i18n.Msg;
024import ca.uhn.fhir.context.ConfigurationException;
025import ca.uhn.fhir.context.FhirContext;
026import ca.uhn.fhir.rest.server.provider.ResourceProviderFactory;
027import org.slf4j.Logger;
028import org.slf4j.LoggerFactory;
029import org.springframework.beans.factory.annotation.Autowired;
030import org.springframework.stereotype.Service;
031
032import javax.annotation.PostConstruct;
033
034@Service
035public class CqlProviderLoader {
036        private static final Logger myLogger = LoggerFactory.getLogger(CqlProviderLoader.class);
037        @Autowired
038        private FhirContext myFhirContext;
039        @Autowired
040        private ResourceProviderFactory myResourceProviderFactory;
041        @Autowired
042        private CqlProviderFactory myCqlProviderFactory;
043
044        @PostConstruct
045        public void loadProvider() {
046                switch (myFhirContext.getVersion().getVersion()) {
047                        case DSTU3:
048                        case R4:
049                                myLogger.info("Registering CQL Provider");
050                                myResourceProviderFactory.addSupplier(() -> myCqlProviderFactory.getMeasureOperationsProvider());
051                                break;
052                        default:
053                                throw new ConfigurationException(Msg.code(1653) + "CQL not supported for FHIR version " + myFhirContext.getVersion().getVersion());
054                }
055        }
056}