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

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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 2015-2019 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;

/**
 * Represents a binary operation in building expressions.
 */
abstract class BinaryOperation extends UnitOfExpression {
    private final Operand leftOperand;
    private final String operator;
    private final Operand rightOperand;

    BinaryOperation(Operand lhs, String operator, Operand rhs) {
        this.leftOperand = lhs;
        this.operator = operator;
        this.rightOperand = rhs;
    }

    final String asSubstituted(SubstitutionContext context) {
        return leftOperand.asSubstituted(context) + " " + operator + " "
                + rightOperand.asSubstituted(context);
    }

    Operand getLhs() {
        return leftOperand;
    }

    String getOperator() {
        return operator;
    }

    Operand getRhs() {
        return rightOperand;
    }
}