001/*
002 * #%L
003 * HAPI FHIR JPA Model
004 * %%
005 * Copyright (C) 2014 - 2025 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.model.listener;
021
022import ca.uhn.fhir.jpa.model.entity.BaseResourceIndexedSearchParam;
023import ca.uhn.fhir.jpa.model.entity.StorageSettings;
024import jakarta.persistence.PrePersist;
025import jakarta.persistence.PreUpdate;
026import org.springframework.beans.factory.annotation.Autowired;
027
028/**
029 * Sets <code>SP_NAME, RES_TYPE</code> column values to null for all HFJ_SPIDX tables
030 * if storage setting {@link ca.uhn.fhir.jpa.model.entity.StorageSettings#isIndexStorageOptimized()} is enabled.
031 * Sets <code>SP_UPDATED</code> column value to null for all HFJ_SPIDX tables.
032 * <p>
033 * Using EntityListener to change HFJ_SPIDX column values right before insert/update to database.
034 * </p>
035 * See {@link ca.uhn.fhir.jpa.model.entity.StorageSettings#setIndexStorageOptimized(boolean)}
036 */
037public class IndexStorageOptimizationListener {
038
039        public IndexStorageOptimizationListener(@Autowired StorageSettings theStorageSettings) {
040                this.myStorageSettings = theStorageSettings;
041        }
042
043        private final StorageSettings myStorageSettings;
044
045        @PrePersist
046        @PreUpdate
047        public void optimizeSearchParams(Object theEntity) {
048                if (theEntity instanceof BaseResourceIndexedSearchParam) {
049                        if (myStorageSettings.isIndexStorageOptimized()) {
050                                ((BaseResourceIndexedSearchParam) theEntity).optimizeIndexStorage();
051                        }
052                        ((BaseResourceIndexedSearchParam) theEntity).setUpdated(null);
053                }
054        }
055}