spring-batch SynchronizedItemStreamWriterBuilder 源码
spring-batch SynchronizedItemStreamWriterBuilder 代码
文件路径：/spring-batch-infrastructure/src/main/java/org/springframework/batch/item/support/builder/SynchronizedItemStreamWriterBuilder.java
/*
* Copyright 2020 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
*
* http://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.support.builder;
import org.springframework.batch.item.ItemStreamWriter;
import org.springframework.batch.item.support.SynchronizedItemStreamWriter;
import org.springframework.util.Assert;
/**
* Creates a fully qualified {@link SynchronizedItemStreamWriter}.
*
* @author Dimitrios Liapis
* @author Mahmoud Ben Hassine
*/
public class SynchronizedItemStreamWriterBuilder<T> {
private ItemStreamWriter<T> delegate;
/**
* Set the delegate {@link ItemStreamWriter}.
* @param delegate the delegate to set
* @return this instance for method chaining
*/
public SynchronizedItemStreamWriterBuilder<T> delegate(ItemStreamWriter<T> delegate) {
this.delegate = delegate;
return this;
}
/**
* Returns a fully constructed {@link SynchronizedItemStreamWriter}.
* @return a new {@link SynchronizedItemStreamWriter}
*/
public SynchronizedItemStreamWriter<T> build() {
Assert.notNull(this.delegate, "A delegate item writer is required");
SynchronizedItemStreamWriter<T> writer = new SynchronizedItemStreamWriter<>();
writer.setDelegate(this.delegate);
return writer;
}
}
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