001package ca.uhn.fhir.jpa.search.builder.predicate;
002
003/*-
004 * #%L
005 * HAPI FHIR JPA Server
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.interceptor.model.RequestPartitionId;
024import ca.uhn.fhir.jpa.model.config.PartitionSettings;
025import ca.uhn.fhir.jpa.model.entity.SearchParamPresentEntity;
026import ca.uhn.fhir.jpa.search.builder.sql.SearchQueryBuilder;
027import com.healthmarketscience.sqlbuilder.BinaryCondition;
028import com.healthmarketscience.sqlbuilder.Condition;
029import com.healthmarketscience.sqlbuilder.dbspec.basic.DbColumn;
030import org.springframework.beans.factory.annotation.Autowired;
031
032public class SearchParamPresentPredicateBuilder extends BaseJoiningPredicateBuilder {
033
034        private final DbColumn myColumnResourceId;
035        private final DbColumn myColumnHashPresence;
036
037        @Autowired
038        private PartitionSettings myPartitionSettings;
039
040        /**
041         * Constructor
042         */
043        public SearchParamPresentPredicateBuilder(SearchQueryBuilder theSearchSqlBuilder) {
044                super(theSearchSqlBuilder, theSearchSqlBuilder.addTable("HFJ_RES_PARAM_PRESENT"));
045                myColumnResourceId = getTable().addColumn("RES_ID");
046                myColumnHashPresence = getTable().addColumn("HASH_PRESENCE");
047        }
048
049        @Override
050        public DbColumn getResourceIdColumn() {
051                return myColumnResourceId;
052        }
053
054
055        public Condition createPredicateParamMissingForReference(String theResourceName, String theParamName, boolean theMissing, RequestPartitionId theRequestPartitionId) {
056                Long hash = SearchParamPresentEntity.calculateHashPresence(myPartitionSettings, theRequestPartitionId, theResourceName, theParamName, !theMissing);
057                BinaryCondition predicate = BinaryCondition.equalTo(myColumnHashPresence, generatePlaceholder(hash));
058                return combineWithRequestPartitionIdPredicate(theRequestPartitionId, predicate);
059        }
060
061}