001/*-
002 * #%L
003 * HAPI FHIR JPA - Search Parameters
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.cache;
021
022import org.hl7.fhir.instance.model.api.IIdType;
023
024import java.util.List;
025
026/**
027 * Registered IResourceChangeListener instances are called with this event to provide them with a list of ids of resources
028 * that match the search parameters and that changed from the last time they were checked.
029 */
030public interface IResourceChangeEvent {
031        List<IIdType> getCreatedResourceIds();
032
033        List<IIdType> getUpdatedResourceIds();
034
035        List<IIdType> getDeletedResourceIds();
036
037        /**
038         * @return true when all three lists are empty
039         */
040        boolean isEmpty();
041}