001/*-
002 * #%L
003 * HAPI FHIR Subscription Server
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 ca.uhn.fhir.jpa.subscription.match.matcher.matching;
021
022import ca.uhn.fhir.jpa.model.entity.StorageSettings;
023import ca.uhn.fhir.jpa.searchparam.matcher.InMemoryMatchResult;
024import ca.uhn.fhir.jpa.subscription.model.CanonicalSubscription;
025import ca.uhn.fhir.jpa.subscription.model.ResourceModifiedMessage;
026import org.slf4j.Logger;
027import org.slf4j.LoggerFactory;
028import org.springframework.beans.factory.annotation.Autowired;
029
030public class CompositeInMemoryDaoSubscriptionMatcher implements ISubscriptionMatcher {
031        private Logger ourLog = LoggerFactory.getLogger(CompositeInMemoryDaoSubscriptionMatcher.class);
032
033        private final DaoSubscriptionMatcher myDaoSubscriptionMatcher;
034        private final InMemorySubscriptionMatcher myInMemorySubscriptionMatcher;
035
036        @Autowired
037        StorageSettings myStorageSettings;
038
039        public CompositeInMemoryDaoSubscriptionMatcher(
040                        DaoSubscriptionMatcher theDaoSubscriptionMatcher,
041                        InMemorySubscriptionMatcher theInMemorySubscriptionMatcher) {
042                myDaoSubscriptionMatcher = theDaoSubscriptionMatcher;
043                myInMemorySubscriptionMatcher = theInMemorySubscriptionMatcher;
044        }
045
046        @Override
047        public InMemoryMatchResult match(CanonicalSubscription theSubscription, ResourceModifiedMessage theMsg) {
048                InMemoryMatchResult result;
049                if (myStorageSettings.isEnableInMemorySubscriptionMatching()) {
050                        result = myInMemorySubscriptionMatcher.match(theSubscription, theMsg);
051                        if (result.supported()) {
052                                result.setInMemory(true);
053                        } else {
054                                ourLog.info(
055                                                "Criteria {} for Subscription {} not supported by InMemoryMatcher: {}.  Reverting to DatabaseMatcher",
056                                                theSubscription.getCriteriaString(),
057                                                theSubscription.getIdElementString(),
058                                                result.getUnsupportedReason());
059                                result = myDaoSubscriptionMatcher.match(theSubscription, theMsg);
060                        }
061                } else {
062                        result = myDaoSubscriptionMatcher.match(theSubscription, theMsg);
063                }
064                return result;
065        }
066}