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.Collection;
025
026/**
027 * To be notified of resource changes in the repository, implement this interface and register your instance with
028 * {@link IResourceChangeListenerRegistry}.
029 */
030public interface IResourceChangeListener {
031        /**
032         * This method is called within {@link ResourceChangeListenerCacheRefresherImpl#LOCAL_REFRESH_INTERVAL_MS} of a listener registration
033         * @param theResourceIds the ids of all resources that match the search parameters the listener was registered with
034         */
035        void handleInit(Collection<IIdType> theResourceIds);
036
037        /**
038         * Called by the {@link IResourceChangeListenerRegistry} when matching resource changes are detected
039         */
040        void handleChange(IResourceChangeEvent theResourceChangeEvent);
041}