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 import org.apache.shardingsphere.infra.datanode.DataNode;
24
25 import java.util.LinkedList;
26 import java.util.List;
27
28 /**
29 * Job data node entry.
30 */
31 @RequiredArgsConstructor
32 @Getter
33 public final class JobDataNodeEntry {
34
35 private final String logicTableName;
36
37 private final List<DataNode> dataNodes;
38
39 /**
40 * Unmarshal from text.
41 *
42 * @param text marshalled entry
43 * @return entry
44 */
45 public static JobDataNodeEntry unmarshal(final String text) {
46 List<String> segments = Splitter.on(":").splitToList(text);
47 String logicTableName = segments.get(0);
48 List<DataNode> dataNodes = new LinkedList<>();
49 for (String each : Splitter.on(",").omitEmptyStrings().splitToList(segments.get(1))) {
50 dataNodes.add(DataNodeUtils.parseWithSchema(each));
51 }
52 return new JobDataNodeEntry(logicTableName, dataNodes);
53 }
54
55 /**
56 * Marshal to text.
57 *
58 * @return text, format: logicTableName:dataNode1,dataNode2, e.g. t_order:ds_0.t_order_0,ds_0.t_order_1
59 */
60 public String marshal() {
61 StringBuilder result = new StringBuilder();
62 result.append(logicTableName).append(':');
63 for (DataNode each : dataNodes) {
64 result.append(DataNodeUtils.formatWithSchema(each)).append(',');
65 }
66 if (!dataNodes.isEmpty()) {
67 result.setLength(result.length() - 1);
68 }
69 return result.toString();
70 }
71 }