spring-batch AmqpItemWriterBuilder 源码
spring-batch AmqpItemWriterBuilder 代码
文件路径：/spring-batch-infrastructure/src/main/java/org/springframework/batch/item/amqp/builder/AmqpItemWriterBuilder.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.amqp.builder;
import org.springframework.amqp.core.AmqpTemplate;
import org.springframework.batch.item.amqp.AmqpItemWriter;
import org.springframework.util.Assert;
/**
* A builder implementation for the {@link AmqpItemWriter}
*
* @author Glenn Renfro
* @since 4.0
* @see AmqpItemWriter
*/
public class AmqpItemWriterBuilder<T> {
private AmqpTemplate amqpTemplate;
/**
* Establish the amqpTemplate to be used by the AmqpItemWriter.
* @param amqpTemplate the template to be used.
* @return this instance for method chaining
* @see AmqpItemWriter#AmqpItemWriter(AmqpTemplate)
*/
public AmqpItemWriterBuilder<T> amqpTemplate(AmqpTemplate amqpTemplate) {
this.amqpTemplate = amqpTemplate;
return this;
}
/**
* Validates and builds a {@link AmqpItemWriter}.
* @return a {@link AmqpItemWriter}
*/
public AmqpItemWriter<T> build() {
Assert.notNull(this.amqpTemplate, "amqpTemplate is required.");
AmqpItemWriter<T> writer = new AmqpItemWriter<>(this.amqpTemplate);
return writer;
}
}
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