spring-batch DelegateStep 源码
spring-batch DelegateStep 代码
文件路径：/spring-batch-integration/src/main/java/org/springframework/batch/integration/step/DelegateStep.java
/*
* Copyright 2006-2010 the original author or authors.
*
* 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
*
* https://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 org.springframework.batch.integration.step;
import org.springframework.batch.core.Step;
import org.springframework.batch.core.StepExecution;
import org.springframework.batch.core.step.AbstractStep;
import org.springframework.util.Assert;
/**
* Provides a wrapper for an existing {@link Step}, delegating execution to it, but
* serving all other operations locally.
*
* @author Dave Syer
*
*/
public class DelegateStep extends AbstractStep {
private Step delegate;
/**
* @param delegate the delegate to set
*/
public void setDelegate(Step delegate) {
this.delegate = delegate;
}
/**
* Check mandatory properties (delegate).
*/
@Override
public void afterPropertiesSet() throws Exception {
Assert.state(delegate != null, "A delegate Step must be provided");
super.afterPropertiesSet();
}
@Override
protected void doExecute(StepExecution stepExecution) throws Exception {
delegate.execute(stepExecution);
}
}
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