1 | /* |
2 | * Copyright 2006-2007 the original author or authors. |
3 | * |
4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
5 | * you may not use this file except in compliance with the License. |
6 | * You may obtain a copy of the License at |
7 | * |
8 | * http://www.apache.org/licenses/LICENSE-2.0 |
9 | * |
10 | * Unless required by applicable law or agreed to in writing, software |
11 | * distributed under the License is distributed on an "AS IS" BASIS, |
12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
13 | * See the License for the specific language governing permissions and |
14 | * limitations under the License. |
15 | */ |
16 | |
17 | package org.springframework.batch.core.step; |
18 | |
19 | import org.apache.commons.logging.Log; |
20 | import org.apache.commons.logging.LogFactory; |
21 | import org.springframework.batch.core.JobInterruptedException; |
22 | import org.springframework.batch.core.StepExecution; |
23 | |
24 | /** |
25 | * Policy that checks the current thread to see if it has been interrupted. |
26 | * |
27 | * @author Lucas Ward |
28 | * @author Dave Syer |
29 | * |
30 | */ |
31 | public class ThreadStepInterruptionPolicy implements StepInterruptionPolicy { |
32 | |
33 | protected static final Log logger = LogFactory |
34 | .getLog(ThreadStepInterruptionPolicy.class); |
35 | |
36 | |
37 | /** |
38 | * Returns if the current job lifecycle has been interrupted by checking if |
39 | * the current thread is interrupted. |
40 | */ |
41 | public void checkInterrupted(StepExecution stepExecution) throws JobInterruptedException { |
42 | |
43 | if (isInterrupted(stepExecution)) { |
44 | throw new JobInterruptedException("Job interrupted status detected."); |
45 | } |
46 | |
47 | } |
48 | |
49 | /** |
50 | * @param stepExecution the current context |
51 | * @return true if the job has been interrupted |
52 | */ |
53 | private boolean isInterrupted(StepExecution stepExecution) { |
54 | boolean interrupted = (Thread.currentThread().isInterrupted() || stepExecution.isTerminateOnly()); |
55 | if(interrupted){ |
56 | logger.error("Step interrupted"); |
57 | } |
58 | return interrupted; |
59 | } |
60 | |
61 | } |