Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
InMemoryIDGenerator |
|
| 1.0;1 |
1 | /** | |
2 | The contents of this file are subject to the Mozilla Public License Version 1.1 | |
3 | (the "License"); you may not use this file except in compliance with the License. | |
4 | You may obtain a copy of the License at http://www.mozilla.org/MPL/ | |
5 | Software distributed under the License is distributed on an "AS IS" basis, | |
6 | WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for the | |
7 | specific language governing rights and limitations under the License. | |
8 | ||
9 | The Original Code is "InMemoryIDGenerator.java". Description: | |
10 | "Simple generator that uses AtomicLong as ID source" | |
11 | ||
12 | The Initial Developer of the Original Code is University Health Network. Copyright (C) | |
13 | 2001. All Rights Reserved. | |
14 | ||
15 | Contributor(s): ______________________________________. | |
16 | ||
17 | Alternatively, the contents of this file may be used under the terms of the | |
18 | GNU General Public License (the "GPL"), in which case the provisions of the GPL are | |
19 | applicable instead of those above. If you wish to allow use of your version of this | |
20 | file only under the terms of the GPL and not to allow others to use your version | |
21 | of this file under the MPL, indicate your decision by deleting the provisions above | |
22 | and replace them with the notice and other provisions required by the GPL License. | |
23 | If you do not delete the provisions above, a recipient may use your version of | |
24 | this file under either the MPL or the GPL. | |
25 | */ | |
26 | package ca.uhn.hl7v2.util.idgenerator; | |
27 | ||
28 | import java.io.IOException; | |
29 | import java.util.concurrent.atomic.AtomicLong; | |
30 | ||
31 | /** | |
32 | * In-memory variant of an message ID generator. Particularly useful for tests | |
33 | * and deployments when duplicate IDs after a restart do no matter. | |
34 | * <p> | |
35 | * | |
36 | * @author Christian Ohr | |
37 | */ | |
38 | public class InMemoryIDGenerator extends IDGenerator.OrderedSupport { | |
39 | ||
40 | 5565 | private AtomicLong al = new AtomicLong(0l); |
41 | ||
42 | public InMemoryIDGenerator() { | |
43 | 0 | super(); |
44 | 0 | } |
45 | ||
46 | InMemoryIDGenerator(long increment) { | |
47 | 5565 | super(increment); |
48 | 5565 | } |
49 | ||
50 | public String getID() throws IOException { | |
51 | 6920 | return Long.toString(al.getAndAdd(getIncrement())); |
52 | } | |
53 | ||
54 | public synchronized void reset() { | |
55 | 45 | set(0l); |
56 | 45 | } |
57 | ||
58 | protected void set(long l) { | |
59 | 6880 | al.set(l); |
60 | 6880 | } |
61 | ||
62 | } |