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/*
 * Copyright 2015-2021 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 static com.amazonaws.services.dynamodbv2.xspec.ExpressionSpecBuilder._;

import com.amazonaws.annotation.Beta;

/**
 * Represents a negation
 * condition in building condition expressions.
 * 

* Underlying grammar: * *

 *    NOT condition
 * 
*

* This object is as immutable (or unmodifiable) as the underlying condition. */ @Beta public final class NegationCondition extends Condition { private final Condition condition; NegationCondition(Condition condition) { this.condition = condition; } @Override String asSubstituted(SubstitutionContext context) { if (this.precedence() > condition.precedence()) return "NOT " + _(condition).asSubstituted(context); else return "NOT " + condition.asSubstituted(context); } @Override boolean atomic() { return true; } @Override int precedence() { return Precedence.NOT.value(); } }





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