001/* 002 * Copyright 2006-2007 the original author or authors. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * https://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 017package org.springframework.batch.core.scope.context; 018 019import org.aspectj.lang.annotation.Around; 020import org.aspectj.lang.annotation.Aspect; 021import org.springframework.batch.core.JobInterruptedException; 022import org.springframework.batch.core.Step; 023import org.springframework.batch.core.StepExecution; 024 025/** 026 * Convenient aspect to wrap a single threaded step execution, where the 027 * implementation of the {@link Step} is not step scope aware (i.e. not the ones 028 * provided by the framework). 029 * 030 * @author Dave Syer 031 * 032 */ 033@Aspect 034public class StepScopeManager { 035 036 @Around("execution(void org.springframework.batch.core.Step+.execute(*)) && target(step) && args(stepExecution)") 037 public void execute(Step step, StepExecution stepExecution) throws JobInterruptedException { 038 StepSynchronizationManager.register(stepExecution); 039 try { 040 step.execute(stepExecution); 041 } 042 finally { 043 StepSynchronizationManager.release(); 044 } 045 } 046 047}