org.springframework.batch.core.scope.context.ChunkContext.java Source code

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Here is the source code for org.springframework.batch.core.scope.context.ChunkContext.java

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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
 *
 *      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);
    }

}