spring-batch HibernateItemWriterBuilder 源码
spring-batch HibernateItemWriterBuilder 代码
文件路径：/spring-batch-infrastructure/src/main/java/org/springframework/batch/item/database/builder/HibernateItemWriterBuilder.java
/*
* Copyright 2017 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.item.database.builder;
import org.hibernate.SessionFactory;
import org.springframework.batch.item.database.HibernateItemWriter;
import org.springframework.util.Assert;
/**
* A builder for the {@link HibernateItemWriter}
*
* @author Michael Minella
* @since 4.0
* @see HibernateItemWriter
*/
public class HibernateItemWriterBuilder<T> {
private boolean clearSession = true;
private SessionFactory sessionFactory;
/**
* If set to false, the {@link org.hibernate.Session} will not be cleared at the end
* of the chunk.
* @param clearSession defaults to true
* @return this instance for method chaining
* @see HibernateItemWriter#setClearSession(boolean)
*/
public HibernateItemWriterBuilder<T> clearSession(boolean clearSession) {
this.clearSession = clearSession;
return this;
}
/**
* The Hibernate {@link SessionFactory} to obtain a session from. Required.
* @param sessionFactory the {@link SessionFactory}
* @return this instance for method chaining
* @see HibernateItemWriter#setSessionFactory(SessionFactory)
*/
public HibernateItemWriterBuilder<T> sessionFactory(SessionFactory sessionFactory) {
this.sessionFactory = sessionFactory;
return this;
}
/**
* Returns a fully built {@link HibernateItemWriter}
* @return the writer
*/
public HibernateItemWriter<T> build() {
Assert.state(this.sessionFactory != null, "SessionFactory must be provided");
HibernateItemWriter<T> writer = new HibernateItemWriter<>();
writer.setSessionFactory(this.sessionFactory);
writer.setClearSession(this.clearSession);
return writer;
}
}
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