spring-batch ItemStreamSupport 源码
spring-batch ItemStreamSupport 代码
文件路径：/spring-batch-infrastructure/src/main/java/org/springframework/batch/item/ItemStreamSupport.java
/*
* Copyright 2006-2013 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;
import org.springframework.batch.item.util.ExecutionContextUserSupport;
/**
* Empty method implementation of {@link ItemStream}.
*
* @author Dave Syer
* @author Dean de Bree
*
*/
public abstract class ItemStreamSupport implements ItemStream {
private final ExecutionContextUserSupport executionContextUserSupport = new ExecutionContextUserSupport();
/**
* No-op.
* @see org.springframework.batch.item.ItemStream#close()
*/
@Override
public void close() {
}
/**
* No-op.
* @see org.springframework.batch.item.ItemStream#open(ExecutionContext)
*/
@Override
public void open(ExecutionContext executionContext) {
}
/**
* Return empty {@link ExecutionContext}.
* @see org.springframework.batch.item.ItemStream#update(ExecutionContext)
*/
@Override
public void update(ExecutionContext executionContext) {
}
/**
* The name of the component which will be used as a stem for keys in the
* {@link ExecutionContext}. Subclasses should provide a default value, e.g. the short
* form of the class name.
* @param name the name for the component
*/
public void setName(String name) {
this.setExecutionContextName(name);
}
protected void setExecutionContextName(String name) {
executionContextUserSupport.setName(name);
}
public String getExecutionContextKey(String key) {
return executionContextUserSupport.getKey(key);
}
}
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