001package ca.uhn.fhir.jpa.subscription.match.matcher.matching;
002
003/*-
004 * #%L
005 * HAPI FHIR Subscription Server
006 * %%
007 * Copyright (C) 2014 - 2021 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.jpa.api.config.DaoConfig;
024import ca.uhn.fhir.jpa.searchparam.matcher.InMemoryMatchResult;
025import ca.uhn.fhir.jpa.subscription.model.CanonicalSubscription;
026import ca.uhn.fhir.jpa.subscription.model.ResourceModifiedMessage;
027import org.slf4j.Logger;
028import org.slf4j.LoggerFactory;
029import org.springframework.beans.factory.annotation.Autowired;
030
031public class CompositeInMemoryDaoSubscriptionMatcher implements ISubscriptionMatcher {
032        private Logger ourLog = LoggerFactory.getLogger(CompositeInMemoryDaoSubscriptionMatcher.class);
033
034        private final DaoSubscriptionMatcher myDaoSubscriptionMatcher;
035        private final InMemorySubscriptionMatcher myInMemorySubscriptionMatcher;
036        @Autowired
037        DaoConfig myDaoConfig;
038
039        public CompositeInMemoryDaoSubscriptionMatcher(DaoSubscriptionMatcher theDaoSubscriptionMatcher, InMemorySubscriptionMatcher theInMemorySubscriptionMatcher) {
040                myDaoSubscriptionMatcher = theDaoSubscriptionMatcher;
041                myInMemorySubscriptionMatcher = theInMemorySubscriptionMatcher;
042        }
043
044        @Override
045        public InMemoryMatchResult match(CanonicalSubscription theSubscription, ResourceModifiedMessage theMsg) {
046                InMemoryMatchResult result;
047                if (myDaoConfig.isEnableInMemorySubscriptionMatching()) {
048                        result = myInMemorySubscriptionMatcher.match(theSubscription, theMsg);
049                        if (result.supported()) {
050                                result.setInMemory(true);
051                        } else {
052                                ourLog.info("Criteria {} for Subscription {} not supported by InMemoryMatcher: {}.  Reverting to DatabaseMatcher", theSubscription.getCriteriaString(), theSubscription.getIdElementString(), result.getUnsupportedReason());
053                                result = myDaoSubscriptionMatcher.match(theSubscription, theMsg);
054                        }
055                } else {
056                        result = myDaoSubscriptionMatcher.match(theSubscription, theMsg);
057                }
058                return result;
059        }
060}