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1   package org.springframework.batch.sample.common;
2   
3   /**
4    * Item wrapper useful in "process indicator" usecase, where input is marked as
5    * processed by the processor/writer. This requires passing a technical
6    * identifier of the input data so that it can be modified in later stages.
7    * 
8    * @param <T> item type
9    * 
10   * @see StagingItemReader
11   * @see StagingItemProcessor
12   * 
13   * @author Robert Kasanicky
14   */
15  public class ProcessIndicatorItemWrapper<T> {
16  
17  	private long id;
18  
19  	private T item;
20  
21  	public ProcessIndicatorItemWrapper(long id, T item) {
22  		this.id = id;
23  		this.item = item;
24  	}
25  
26  	/**
27  	 * @return id identifying the input data (typically row in database)
28  	 */
29  	public long getId() {
30  		return id;
31  	}
32  
33  	/**
34  	 * @return item (domain object for business processing)
35  	 */
36  	public T getItem() {
37  		return item;
38  	}
39  }