001/**
002 * Copyright (C) 2006-2025 Talend Inc. - www.talend.com
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016package org.talend.sdk.component.runtime.input;
017
018import javax.json.Json;
019import javax.json.JsonObject;
020import javax.json.bind.Jsonb;
021import javax.json.bind.annotation.JsonbProperty;
022import javax.json.bind.spi.JsonbProvider;
023
024import lombok.AllArgsConstructor;
025import lombok.Data;
026
027@Data
028@AllArgsConstructor
029public class CheckpointState {
030
031    public static final String CHECKPOINT_KEY = "$checkpoint";
032
033    public static final String VERSION_KEY = "__version";
034
035    private static final Jsonb JSONB = JsonbProvider.provider().create().build();
036
037    @JsonbProperty(VERSION_KEY)
038    private int version;
039
040    private Object state;
041
042    public JsonObject toJson() {
043        return Json.createObjectBuilder()
044                .add(CHECKPOINT_KEY, Json.createObjectBuilder(JSONB.fromJson(JSONB.toJson(state), JsonObject.class))
045                        .add(VERSION_KEY, version)
046                        .build())
047                .build();
048    }
049}