/
BatchRuntime.java
51 lines (44 loc) · 1.78 KB
/
BatchRuntime.java
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
/**
* Copyright 2011-2012 Asakusa Framework Team.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.asakusafw.runtime.core;
import java.text.MessageFormat;
/**
* ランタイムのコアクラス。
*/
public final class BatchRuntime {
private static final int VERSION_MAJOR = 0;
private static final int VERSION_MINOR = 1;
/**
* バージョンチェックを行い、互換性がなければ例外をスローする。
* @param major メジャーバージョン
* @param minor マイナーバージョン
* @throws IllegalStateException バージョンに互換性が無い場合
*/
public static void require(int major, int minor) {
if (major != VERSION_MAJOR || minor != VERSION_MINOR) {
throw new IllegalStateException(MessageFormat.format(
"このバージョンはサポートされていません: 現在のバージョン={0}, 要求されたバージョン={2}",
toString(VERSION_MAJOR, VERSION_MINOR),
toString(major, minor)));
}
}
private static String toString(int major, int minor) {
return MessageFormat.format("{0}.{1}", String.valueOf(major), String.valueOf(minor));
}
private BatchRuntime() {
return;
}
}