001/* 002 * Copyright 2009 the original author or authors. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * https://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016package org.springframework.batch.sample.common; 017 018/** 019 * Item wrapper useful in "process indicator" usecase, where input is marked as 020 * processed by the processor/writer. This requires passing a technical 021 * identifier of the input data so that it can be modified in later stages. 022 * 023 * @param <T> item type 024 * 025 * @see StagingItemReader 026 * @see StagingItemProcessor 027 * 028 * @author Robert Kasanicky 029 */ 030public class ProcessIndicatorItemWrapper<T> { 031 032 private long id; 033 034 private T item; 035 036 public ProcessIndicatorItemWrapper(long id, T item) { 037 this.id = id; 038 this.item = item; 039 } 040 041 /** 042 * @return id identifying the input data (typically row in database) 043 */ 044 public long getId() { 045 return id; 046 } 047 048 /** 049 * @return item (domain object for business processing) 050 */ 051 public T getItem() { 052 return item; 053 } 054}