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.core.datanode;
19
20 import com.google.common.base.Splitter;
21 import lombok.Getter;
22 import lombok.RequiredArgsConstructor;
23
24 import java.util.List;
25 import java.util.stream.Collectors;
26
27 /**
28 * Job data node line.
29 */
30 @RequiredArgsConstructor
31 @Getter
32 public final class JobDataNodeLine {
33
34 // Need sequential collection
35 private final List<JobDataNodeEntry> entries;
36
37 /**
38 * Marshal to text.
39 *
40 * @return marshaled text, format: entry1|entry2, e.g. t_order:ds_0.t_order_0,ds_0.t_order_1|t_order_item:ds_0.t_order_item_0,ds_0.t_order_item_1
41 */
42 public String marshal() {
43 StringBuilder result = new StringBuilder();
44 for (JobDataNodeEntry each : entries) {
45 result.append(each.marshal()).append('|');
46 }
47 if (!entries.isEmpty()) {
48 result.setLength(result.length() - 1);
49 }
50 return result.toString();
51 }
52
53 /**
54 * Unmarshal from text.
55 *
56 * @param text marshalled line
57 * @return line
58 */
59 public static JobDataNodeLine unmarshal(final String text) {
60 return new JobDataNodeLine(Splitter.on('|').omitEmptyStrings().splitToList(text).stream().map(JobDataNodeEntry::unmarshal).collect(Collectors.toList()));
61 }
62 }