001/*-
002 * #%L
003 * HAPI FHIR Storage api
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.dao.expunge;
021
022import ca.uhn.fhir.jpa.dao.tx.HapiTransactionService;
023import ca.uhn.fhir.rest.api.server.RequestDetails;
024import jakarta.annotation.Nonnull;
025import org.apache.commons.lang3.Validate;
026
027import java.util.function.Supplier;
028
029/**
030 * Utility class wrapping a supplier in a transaction with the purpose of performing the supply operation with a
031 * partitioned aware context.
032 */
033public class PartitionAwareSupplier {
034        private final HapiTransactionService myTransactionService;
035        private final RequestDetails myRequestDetails;
036
037        public PartitionAwareSupplier(HapiTransactionService theTxService, RequestDetails theRequestDetails) {
038                myTransactionService = theTxService;
039                myRequestDetails = theRequestDetails;
040        }
041
042        @Nonnull
043        public <T> T supplyInPartitionedContext(Supplier<T> theResourcePersistentIdSupplier) {
044                T retVal =
045                                myTransactionService.withRequest(myRequestDetails).execute(tx -> theResourcePersistentIdSupplier.get());
046                Validate.notNull(retVal, "No resource persistent id supplied by supplier %s", theResourcePersistentIdSupplier);
047                return retVal;
048        }
049}