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.mysql.ingest.client;
19
20 import lombok.Getter;
21 import lombok.extern.slf4j.Slf4j;
22
23 import java.util.regex.Matcher;
24 import java.util.regex.Pattern;
25
26 /**
27 * Server version.
28 */
29 @Getter
30 @Slf4j
31 public final class ServerVersion {
32
33 private static final Pattern VERSION_PATTERN = Pattern.compile("^(\\d+)\\.(\\d+)\\.(\\d+).*");
34
35 private final int major;
36
37 private final int minor;
38
39 private final int series;
40
41 public ServerVersion(final String version) {
42 Matcher matcher = VERSION_PATTERN.matcher(version);
43 if (matcher.matches()) {
44 major = Short.parseShort(matcher.group(1));
45 minor = Short.parseShort(matcher.group(2));
46 series = Short.parseShort(matcher.group(3));
47 } else {
48 log.info("Could not match MySQL server version {}", version);
49 major = 0;
50 minor = 0;
51 series = 0;
52 }
53 }
54
55 /**
56 * Greater than or equal to current version.
57 *
58 * @param major the major
59 * @param minor the minor
60 * @param series the series
61 * @return the boolean
62 */
63 public boolean greaterThanOrEqualTo(final int major, final int minor, final int series) {
64 if (this.major < major) {
65 return false;
66 }
67 if (this.major > major) {
68 return true;
69 }
70 if (this.minor < minor) {
71 return false;
72 }
73 if (this.minor > minor) {
74 return true;
75 }
76 return this.series >= series;
77 }
78 }