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  * Copyright 2006-2007 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
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * See the License for the specific language governing permissions and
 * limitations under the License.
package org.springframework.batch.item.util;
Facilitates assigning names to objects persisting data in org.springframework.batch.item.ExecutionContext and generating keys for org.springframework.batch.item.ExecutionContext based on the name.

Robert Kasanicky
	private String name;
		this. = name;

name used to uniquely identify this instance's entries in shared context.
	protected String getName() {
		return this.;

name unique name for the item stream used to create execution context keys.
	public void setName(String name) {
		this. = name;

Prefix the argument with the name of the item stream to create a unique key that can be safely used to identify data stored in org.springframework.batch.item.ExecutionContext.
	public String getKey(String s) {
		Assert.hasLength("ItemStream must have a name assigned.");
		return  + "." + s;
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