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 /*
  * Copyright 2015-2015 Amazon Technologies, Inc.
  *
  * 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:
  *
  *    http://aws.amazon.com/apache2.0
  *
 * This file 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 com.amazonaws.services.dynamodbv2.xspec;
A path operand that refers to a NULL attribute in DynamoDB; used for building expressions.

Use ExpressionSpecBuilder.NULL(java.lang.String) to instantiate this class.

public class NULL extends PathOperand {
    NULL(String path) {
        super(path);
    }

    
Returns a SetAction object (used for building update expression) of setting an attribute to null.
    public final SetAction set() {
        return new SetAction(thisnew LiteralOperand((Object)null));
    }
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