org.springframework.batch.core.step.StepLocatorStepFactoryBean Maven / Gradle / Ivy
/*
* Copyright 2012-2013 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.core.step;
import org.springframework.batch.core.Job;
import org.springframework.batch.core.Step;
import org.springframework.beans.factory.FactoryBean;
/**
* Convenience factory for {@link Step} instances given a {@link StepLocator}.
* Most implementations of {@link Job} implement StepLocator, so that can be a
* good starting point.
*
* @author Dave Syer
*
*/
public class StepLocatorStepFactoryBean implements FactoryBean {
public StepLocator stepLocator;
public String stepName;
/**
* @param stepLocator instance of {@link StepLocator} to be used by the factory bean.
*/
public void setStepLocator(StepLocator stepLocator) {
this.stepLocator = stepLocator;
}
/**
* @param stepName the name to be associated with the step.
*/
public void setStepName(String stepName) {
this.stepName = stepName;
}
/**
*
* @see FactoryBean#getObject()
*/
@Override
public Step getObject() throws Exception {
return stepLocator.getStep(stepName);
}
/**
* Tell clients that we are a factory for {@link Step} instances.
*
* @see FactoryBean#getObjectType()
*/
@Override
public Class getObjectType() {
return Step.class;
}
/**
* Always return true as optimization for bean factory.
*
* @see FactoryBean#isSingleton()
*/
@Override
public boolean isSingleton() {
return true;
}
}