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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 2015-2018 Amazon.com, Inc. or its affiliates. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License").
 * You may not use this file except in compliance with the License.
 * A copy of the License is located at
 *
 *  http://aws.amazon.com/apache2.0
 *
 * or in the "license" file accompanying this file. 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.Beta;

/**
 * Represents an AND condition in a condition expression.
 * 
 * This object is as immutable (or unmodifiable) as the underlying conditions.
 */
@Beta
public final class AndCondition extends Condition {
    private final Condition lhs;
    private final Condition rhs;

    AndCondition(Condition lhs, Condition rhs) {
        this.lhs = lhs;
        this.rhs = rhs;
    }

    @Override
    String asSubstituted(SubstitutionContext context) {
        return lhs.asSubstituted(context) + " AND "
                + rhs.asSubstituted(context);
    }

    @Override
    boolean atomic() {
        return lhs.atomic() && rhs.atomic();
    }

    @Override
    int precedence() {
        return Precedence.AND.value();
    }
}