001/* 002 * Copyright 2006-2007 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 */ 016 017package org.springframework.batch.core.scope.context; 018 019import java.util.Arrays; 020 021import org.springframework.core.AttributeAccessorSupport; 022 023/** 024 * Context object for weakly typed data stored for the duration of a chunk 025 * (usually a group of items processed together in a transaction). If there is a 026 * rollback and the chunk is retried the same context will be associated with 027 * it. 028 * 029 * @author Dave Syer 030 * 031 */ 032@SuppressWarnings("serial") 033public class ChunkContext extends AttributeAccessorSupport { 034 035 private final StepContext stepContext; 036 037 private boolean complete = false; 038 039 /** 040 * @param stepContext the current step context 041 */ 042 public ChunkContext(StepContext stepContext) { 043 this.stepContext = stepContext; 044 } 045 046 /** 047 * @return the current step context 048 */ 049 public StepContext getStepContext() { 050 return stepContext; 051 } 052 053 /** 054 * @return true if there is no more processing to be done on this chunk 055 */ 056 public boolean isComplete() { 057 return complete; 058 } 059 060 /** 061 * Setter for the flag to signal complete processing of a chunk. 062 */ 063 public void setComplete() { 064 this.complete = true; 065 } 066 067 /* 068 * (non-Javadoc) 069 * 070 * @see java.lang.Object#toString() 071 */ 072 @Override 073 public String toString() { 074 return String.format("ChunkContext: attributes=%s, complete=%b, stepContext=%s", Arrays 075 .asList(attributeNames()), complete, stepContext); 076 } 077 078}