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.scope.context;
18
19 import org.aspectj.lang.annotation.Around;
20 import org.aspectj.lang.annotation.Aspect;
21 import org.springframework.batch.core.JobInterruptedException;
22 import org.springframework.batch.core.Step;
23 import org.springframework.batch.core.StepExecution;
24
25 /**
26 * Convenient aspect to wrap a single threaded step execution, where the
27 * implementation of the {@link Step} is not step scope aware (i.e. not the ones
28 * provided by the framework).
29 *
30 * @author Dave Syer
31 *
32 */
33 @Aspect
34 public class StepScopeManager {
35
36 @Around("execution(void org.springframework.batch.core.Step+.execute(*)) && target(step) && args(stepExecution)")
37 public void execute(Step step, StepExecution stepExecution) throws JobInterruptedException {
38 StepSynchronizationManager.register(stepExecution);
39 try {
40 step.execute(stepExecution);
41 }
42 finally {
43 StepSynchronizationManager.release();
44 }
45 }
46
47 }