spring-batch AbstractJobExplorerFactoryBean 源码
spring-batch AbstractJobExplorerFactoryBean 代码
文件路径：/spring-batch-core/src/main/java/org/springframework/batch/core/explore/support/AbstractJobExplorerFactoryBean.java
/*
* Copyright 2006-2022 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.explore.support;
import org.springframework.batch.core.explore.JobExplorer;
import org.springframework.batch.core.repository.dao.ExecutionContextDao;
import org.springframework.batch.core.repository.dao.JobExecutionDao;
import org.springframework.batch.core.repository.dao.JobInstanceDao;
import org.springframework.batch.core.repository.dao.StepExecutionDao;
import org.springframework.beans.factory.FactoryBean;
/**
* A {@link FactoryBean} that automates the creation of a {@link SimpleJobExplorer}. It
* declares abstract methods for providing DAO object implementations.
*
* @see JobExplorerFactoryBean
* @author Dave Syer
* @author Mahmoud Ben Hassine
* @since 2.0
*/
public abstract class AbstractJobExplorerFactoryBean implements FactoryBean<JobExplorer> {
/**
* Creates a job instance data access object (DAO).
* @return a fully configured {@link JobInstanceDao} implementation.
* @throws Exception thrown if error occurs during JobInstanceDao creation.
*/
protected abstract JobInstanceDao createJobInstanceDao() throws Exception;
/**
* Creates a job execution data access object (DAO).
* @return a fully configured {@link JobExecutionDao} implementation.
* @throws Exception thrown if error occurs during JobExecutionDao creation.
*/
protected abstract JobExecutionDao createJobExecutionDao() throws Exception;
/**
* Creates a step execution data access object (DAO).
* @return a fully configured {@link StepExecutionDao} implementation.
* @throws Exception thrown if error occurs during StepExecutionDao creation.
*/
protected abstract StepExecutionDao createStepExecutionDao() throws Exception;
/**
* Creates an execution context instance data access object (DAO).
* @return fully configured {@link ExecutionContextDao} implementation.
* @throws Exception thrown if error occurs during ExecutionContextDao creation.
*/
protected abstract ExecutionContextDao createExecutionContextDao() throws Exception;
/**
* Returns the type of object to be returned from {@link #getObject()}.
* @return {@code JobExplorer.class}
* @see org.springframework.beans.factory.FactoryBean#getObjectType()
*/
@Override
public Class<JobExplorer> getObjectType() {
return JobExplorer.class;
}
@Override
public boolean isSingleton() {
return true;
}
}
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