001/*-
002 * #%L
003 * HAPI FHIR JPA Server - Batch2 Task Processor
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.batch2.model;
021
022import org.apache.commons.lang3.builder.EqualsBuilder;
023import org.apache.commons.lang3.builder.HashCodeBuilder;
024
025/**
026 * Payloads for WorkChunk state transitions.
027 * Some events in the state-machine update the chunk metadata (e.g. error message).
028 * This class provides a base-class for those event objects.
029 * @see hapi-fhir-docs/src/main/resources/ca/uhn/hapi/fhir/docs/server_jpa_batch/batch2_states.md
030 */
031public abstract class BaseWorkChunkEvent {
032        protected final String myChunkId;
033
034        protected BaseWorkChunkEvent(String theChunkId) {
035                myChunkId = theChunkId;
036        }
037
038        public String getChunkId() {
039                return myChunkId;
040        }
041
042        @Override
043        public boolean equals(Object theO) {
044                if (this == theO) return true;
045
046                if (theO == null || getClass() != theO.getClass()) return false;
047
048                BaseWorkChunkEvent that = (BaseWorkChunkEvent) theO;
049
050                return new EqualsBuilder().append(myChunkId, that.myChunkId).isEquals();
051        }
052
053        @Override
054        public int hashCode() {
055                return new HashCodeBuilder(17, 37).append(myChunkId).toHashCode();
056        }
057}