@sap/odata-v4/lib/edm/annotationExpression/EdmArithmeticExpression.js

OData V4.0 server library

'use strict';

const AnnotationFactory = require('./AnnotationExpressionFactory');
const CsdlAnnotationExpression = require('../../csdl/annotationExpression/CsdlAnnotationExpression');
const EdmAnnotationExpression = require('./EdmAnnotationExpression');
const validateThat = require('../../validator/ParameterValidator').validateThat;

/**
 * @extends EdmAnnotationExpression
 * @hideconstructor
 */
class EdmArithmeticExpression extends EdmAnnotationExpression {
    /**
     * @param {Edm} edm The edm itself
     * @param {CsdlArithmeticExpression} arithmeticExpression The csdl arithmetic expression
     */
    constructor(edm, arithmeticExpression) {
        validateThat('edm', edm).truthy();
        validateThat('arithmeticExpression', arithmeticExpression).truthy();

        super(CsdlAnnotationExpression.kinds.Arithmetic);

        /**
         * @type {Edm}
         * @private
         */
        this._edm = edm;

        /**
         * @type {CsdlArithmeticExpression}
         * @private
         */
        this._arithmeticExpression = arithmeticExpression;

        /**
         * @type {EdmAnnotationExpression}
         * @private
         */
        this._left = AnnotationFactory.createEdmExpressionFromCsdlExpression(edm, this._arithmeticExpression.left);

        /**
         * @type {EdmAnnotationExpression}
         * @private
         */
        this._right = AnnotationFactory.createEdmExpressionFromCsdlExpression(edm, this._arithmeticExpression.right);

        /**
         * @type {EdmAnnotation[]}
         * @private
         */
        this._annotations = null;
    }

    /**
     * Returns the operator
     *
     * @returns {CsdlArithmeticExpression.Operators} Operator
     */
    getOperator() {
        return this._arithmeticExpression.operator;
    }

    /**
     * Returns the left operand
     *
     * @returns {EdmAnnotationExpression} left operand
     */
    getLeft() {
        return this._left;
    }

    /**
     * Returns the right operand
     *
     * @returns {EdmAnnotationExpression} right operand
     */
    getRight() {
        return this._right;
    }

    /**
     * Returns the annotations for this arithmetic expression
     *
     * @returns {EdmAnnotation[]}
     */
    getAnnotations() {
        if (!this._annotations) {
            this._annotations = this._arithmeticExpression.annotations.map(
                item => AnnotationFactory.createAnnotation(this._edm, item));
        }
        return this._annotations;
    }
}

module.exports = EdmArithmeticExpression;