001/*-
002 * #%L
003 * HAPI FHIR JPA Server
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.dao;
021
022import ca.uhn.fhir.jpa.model.entity.ResourceEncodingEnum;
023import com.google.common.hash.HashCode;
024import jakarta.annotation.Nullable;
025import org.hl7.fhir.instance.model.api.IBaseResource;
026
027import java.util.Arrays;
028import java.util.List;
029import java.util.Objects;
030import java.util.StringJoiner;
031
032/**
033 * POJO to contain the results of {@link ResourceHistoryCalculator#calculateResourceHistoryState(IBaseResource, ResourceEncodingEnum, List)}
034 */
035public class ResourceHistoryState {
036        @Nullable
037        private final String myResourceText;
038
039        @Nullable
040        private final byte[] myResourceBinary;
041
042        private final ResourceEncodingEnum myEncoding;
043        private final HashCode myHashCode;
044
045        public ResourceHistoryState(
046                        @Nullable String theResourceText,
047                        @Nullable byte[] theResourceBinary,
048                        ResourceEncodingEnum theEncoding,
049                        HashCode theHashCode) {
050                myResourceText = theResourceText;
051                myResourceBinary = theResourceBinary;
052                myEncoding = theEncoding;
053                myHashCode = theHashCode;
054        }
055
056        @Nullable
057        public String getResourceText() {
058                return myResourceText;
059        }
060
061        @Nullable
062        public byte[] getResourceBinary() {
063                return myResourceBinary;
064        }
065
066        public ResourceEncodingEnum getEncoding() {
067                return myEncoding;
068        }
069
070        public HashCode getHashCode() {
071                return myHashCode;
072        }
073
074        @Override
075        public boolean equals(Object theO) {
076                if (this == theO) {
077                        return true;
078                }
079                if (theO == null || getClass() != theO.getClass()) {
080                        return false;
081                }
082                ResourceHistoryState that = (ResourceHistoryState) theO;
083                return Objects.equals(myResourceText, that.myResourceText)
084                                && Arrays.equals(myResourceBinary, that.myResourceBinary)
085                                && myEncoding == that.myEncoding
086                                && Objects.equals(myHashCode, that.myHashCode);
087        }
088
089        @Override
090        public int hashCode() {
091                int result = Objects.hash(myResourceText, myEncoding, myHashCode);
092                result = 31 * result + Arrays.hashCode(myResourceBinary);
093                return result;
094        }
095
096        @Override
097        public String toString() {
098                return new StringJoiner(", ", ResourceHistoryState.class.getSimpleName() + "[", "]")
099                                .add("myResourceText='" + myResourceText + "'")
100                                .add("myResourceBinary=" + Arrays.toString(myResourceBinary))
101                                .add("myEncoding=" + myEncoding)
102                                .add("myHashCode=" + myHashCode)
103                                .toString();
104        }
105}