com.amazonaws.services.dynamodbv2.xspec.BetweenCondition Maven / Gradle / Ivy

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The AWS SDK for Java with support for OSGi. The AWS SDK for Java provides Java APIs for building software on AWS' cost-effective, scalable, and reliable infrastructure products. The AWS Java SDK allows developers to code against APIs for all of Amazon's infrastructure web services (Amazon S3, Amazon EC2, Amazon SQS, Amazon Relational Database Service, Amazon AutoScaling, etc).

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/*
 * Copyright 2015-2016 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 a BETWEEN
 * condition in a condition expression.
 * 
 * Underlying grammar:
 * 
 * 
 *    operand BETWEEN operand AND operand
 * 
 * 
 * This object is as immutable (or unmodifiable) as the underlying operands.
 */
@Beta
public final class BetweenCondition extends Condition {
    private final PathOperand attribute;
    private final Operand min;
    private final Operand max;

    BetweenCondition(PathOperand attribute, Operand min, Operand max) {
        this.attribute = attribute;
        this.min = min;
        this.max = max;
    }

    @Override
    String asSubstituted(SubstitutionContext context) {
        return attribute.asSubstituted(context)
                + " BETWEEN "
                + min.asSubstituted(context)
                + " AND "
                + max.asSubstituted(context)
                ;
    }

    @Override
    boolean atomic() {
        return true;
    }

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