spring-batch ValidationSampleConfiguration 源码
spring-batch ValidationSampleConfiguration 代码
文件路径：/spring-batch-samples/src/main/java/org/springframework/batch/sample/validation/ValidationSampleConfiguration.java
/*
* Copyright 2018-2021 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.sample.validation;
import java.util.Arrays;
import javax.sql.DataSource;
import org.springframework.batch.core.Job;
import org.springframework.batch.core.Step;
import org.springframework.batch.core.configuration.annotation.EnableBatchProcessing;
import org.springframework.batch.core.configuration.annotation.JobBuilderFactory;
import org.springframework.batch.core.configuration.annotation.StepBuilderFactory;
import org.springframework.batch.item.support.ListItemReader;
import org.springframework.batch.item.support.ListItemWriter;
import org.springframework.batch.item.validator.BeanValidatingItemProcessor;
import org.springframework.batch.sample.validation.domain.Person;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.jdbc.datasource.embedded.EmbeddedDatabaseBuilder;
/**
* @author Mahmoud Ben Hassine
*/
@Configuration
@EnableBatchProcessing
public class ValidationSampleConfiguration {
@Autowired
private JobBuilderFactory jobs;
@Autowired
private StepBuilderFactory steps;
@Bean
public ListItemReader<Person> itemReader() {
Person person1 = new Person(1, "foo");
Person person2 = new Person(2, "");
return new ListItemReader<>(Arrays.asList(person1, person2));
}
@Bean
public ListItemWriter<Person> itemWriter() {
return new ListItemWriter<>();
}
@Bean
public BeanValidatingItemProcessor<Person> itemValidator() throws Exception {
BeanValidatingItemProcessor<Person> validator = new BeanValidatingItemProcessor<>();
validator.setFilter(true);
validator.afterPropertiesSet();
return validator;
}
@Bean
public Step step() throws Exception {
return this.steps.get("step").<Person, Person>chunk(1).reader(itemReader()).processor(itemValidator())
.writer(itemWriter()).build();
}
@Bean
public Job job() throws Exception {
return this.jobs.get("job").start(step()).build();
}
@Bean
public DataSource dataSource() {
return new EmbeddedDatabaseBuilder().addScript("/org/springframework/batch/core/schema-drop-hsqldb.sql")
.addScript("/org/springframework/batch/core/schema-hsqldb.sql").generateUniqueName(true).build();
}
}
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