001package ca.uhn.fhir.jpa.subscription.module.standalone;
002
003/*-
004 * #%L
005 * HAPI FHIR Subscription Server
006 * %%
007 * Copyright (C) 2014 - 2020 University Health Network
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.context.FhirContext;
024import ca.uhn.fhir.jpa.searchparam.SearchParameterMap;
025import ca.uhn.fhir.jpa.searchparam.registry.SearchParamRegistryImpl;
026import ca.uhn.fhir.jpa.searchparam.registry.ISearchParamProvider;
027import ca.uhn.fhir.model.dstu2.valueset.ResourceTypeEnum;
028import ca.uhn.fhir.rest.api.CacheControlDirective;
029import ca.uhn.fhir.rest.api.server.IBundleProvider;
030import ca.uhn.fhir.rest.client.api.IGenericClient;
031import ca.uhn.fhir.rest.server.SimpleBundleProvider;
032import ca.uhn.fhir.util.BundleUtil;
033import org.hl7.fhir.instance.model.api.IBaseBundle;
034import org.hl7.fhir.instance.model.api.IBaseResource;
035import org.slf4j.Logger;
036import org.slf4j.LoggerFactory;
037import org.springframework.beans.factory.annotation.Autowired;
038import org.springframework.stereotype.Service;
039
040@Service
041public class FhirClientSearchParamProvider implements ISearchParamProvider {
042        private static final Logger ourLog = LoggerFactory.getLogger(FhirClientSearchParamProvider.class);
043
044        private IGenericClient myClient;
045
046        @Autowired
047        public FhirClientSearchParamProvider(IGenericClient theClient) {
048                myClient = theClient;
049        }
050
051        @Override
052        public IBundleProvider search(SearchParameterMap theParams) {
053                FhirContext fhirContext = myClient.getFhirContext();
054
055                IBaseBundle bundle = myClient
056                        .search()
057                        .forResource(ResourceTypeEnum.SEARCHPARAMETER.getCode())
058                        .cacheControl(new CacheControlDirective().setNoCache(true))
059                        .execute();
060
061                return new SimpleBundleProvider(BundleUtil.toListOfResources(fhirContext, bundle));
062        }
063
064        @Override
065        public int refreshCache(SearchParamRegistryImpl theSearchParamRegistry, long theRefreshInterval) {
066                return theSearchParamRegistry.doRefresh(theRefreshInterval);
067        }
068}