1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18 package org.apache.shardingsphere.data.pipeline.cdc.core.ack;
19
20 import com.google.common.base.Splitter;
21 import lombok.Getter;
22 import lombok.RequiredArgsConstructor;
23 import org.apache.commons.lang3.RandomStringUtils;
24
25 import java.util.List;
26
27 /**
28 * CDC ack id.
29 */
30 @RequiredArgsConstructor
31 @Getter
32 public final class CDCAckId {
33
34 private final String importerId;
35
36 private final String random;
37
38 /**
39 * Build ack id.
40 *
41 * @param importerId importer id
42 * @return ack id
43 */
44 public static CDCAckId build(final String importerId) {
45 return new CDCAckId(importerId, RandomStringUtils.randomAlphanumeric(16));
46 }
47
48 /**
49 * Marshal ack id.
50 *
51 * @return ack id
52 */
53 public String marshal() {
54 return importerId + "_" + random;
55 }
56
57 /**
58 * Unmarshal ack id from text.
59 *
60 * @param text text
61 * @return ack id
62 */
63 public static CDCAckId unmarshal(final String text) {
64 List<String> parts = Splitter.on('_').trimResults().omitEmptyStrings().splitToList(text);
65 return new CDCAckId(parts.get(0), parts.get(1));
66 }
67 }