spring-batch ChunkContext 源码
spring-batch ChunkContext 代码
文件路径：/spring-batch-core/src/main/java/org/springframework/batch/core/scope/context/ChunkContext.java
/*
* 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
*
* 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.core.scope.context;
import java.util.Arrays;
import org.springframework.core.AttributeAccessorSupport;
/**
* Context object for weakly typed data stored for the duration of a chunk (usually a
* group of items processed together in a transaction). If there is a rollback and the
* chunk is retried the same context will be associated with it.
*
* @author Dave Syer
*
*/
@SuppressWarnings("serial")
public class ChunkContext extends AttributeAccessorSupport {
private final StepContext stepContext;
private boolean complete = false;
/**
* @param stepContext the current step context
*/
public ChunkContext(StepContext stepContext) {
this.stepContext = stepContext;
}
/**
* @return the current step context
*/
public StepContext getStepContext() {
return stepContext;
}
/**
* @return true if there is no more processing to be done on this chunk
*/
public boolean isComplete() {
return complete;
}
/**
* Setter for the flag to signal complete processing of a chunk.
*/
public void setComplete() {
this.complete = true;
}
/*
* (non-Javadoc)
*
* @see java.lang.Object#toString()
*/
@Override
public String toString() {
return String.format("ChunkContext: attributes=%s, complete=%b, stepContext=%s",
Arrays.asList(attributeNames()), complete, stepContext);
}
}
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