spring-batch JobListenerFactoryBean 源码
spring-batch JobListenerFactoryBean 代码
文件路径：/spring-batch-core/src/main/java/org/springframework/batch/core/listener/JobListenerFactoryBean.java
/*
* Copyright 2002-2013 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.listener;
import org.springframework.batch.core.JobExecutionListener;
/**
* This {@link AbstractListenerFactoryBean} implementation is used to create a
* {@link JobExecutionListener}.
*
* @author Lucas Ward
* @author Dan Garrette
* @since 2.0
* @see AbstractListenerFactoryBean
* @see JobListenerMetaData
*/
public class JobListenerFactoryBean extends AbstractListenerFactoryBean<JobExecutionListener> {
@Override
protected ListenerMetaData getMetaDataFromPropertyName(String propertyName) {
return JobListenerMetaData.fromPropertyName(propertyName);
}
@Override
protected ListenerMetaData[] getMetaDataValues() {
return JobListenerMetaData.values();
}
@Override
protected Class<?> getDefaultListenerClass() {
return JobExecutionListener.class;
}
@Override
public Class<?> getObjectType() {
return JobExecutionListener.class;
}
/**
* Convenience method to wrap any object and expose the appropriate
* {@link JobExecutionListener} interfaces.
* @param delegate a delegate object
* @return a JobListener instance constructed from the delegate
*/
public static JobExecutionListener getListener(Object delegate) {
JobListenerFactoryBean factory = new JobListenerFactoryBean();
factory.setDelegate(delegate);
return (JobExecutionListener) factory.getObject();
}
/**
* Convenience method to check whether the given object is or can be made into a
* {@link JobExecutionListener}.
* @param delegate the object to check
* @return true if the delegate is an instance of {@link JobExecutionListener}, or
* contains the marker annotations
*/
public static boolean isListener(Object delegate) {
return AbstractListenerFactoryBean.isListener(delegate, JobExecutionListener.class,
JobListenerMetaData.values());
}
}
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