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The AWS Java SDK for Amazon DynamoDB module holds the client classes that are used for communicating with Amazon DynamoDB Service

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/*
 * Copyright 2015-2022 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;

import com.amazonaws.annotation.Immutable;

import com.amazonaws.annotation.Beta;

/**
 * A path operand that refers to a NULL attribute in DynamoDB; used for building expressions.
 * 

* Use {@link ExpressionSpecBuilder#NULL(String)} to instantiate this class. */ @Beta @Immutable 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(this, new LiteralOperand((Object)null)); } }





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