@sap/odata-v4/lib/edm/EdmAnnotations.js

OData V4.0 server library

'use strict';
const EdmAnnotation = require('./EdmAnnotation');
const Edm = require('./Edm');
const validateThat = require('../validator/ParameterValidator').validateThat;

/**
 * <a href="./../ODataSpecification/odata-v4.0-errata03-os/complete/part3-csdl/odata-v4.0-errata03-os-part3-csdl-complete.html#_Toc453752627">
 *     OData CSDL # 14.2 Element edm:Annotations
 * </a>
 * @hideconstructor
 */
class EdmAnnotations {

    /**
     * Constructor
     *
     * @param {Edm} edm The edm itself
     * @param {CsdlAnnotations} externalAnnotations The annotation
     */
    constructor(edm, externalAnnotations) {
        validateThat('edm', edm).truthy().instanceOf(Edm);
        validateThat('externalAnnotations', externalAnnotations).truthy().instanceOf(Object);

        this._edm = edm;

        this._externalAnnotations = externalAnnotations;

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

    getTarget() {
        return this._externalAnnotations.target;
    }

    getQualifier() {
        return this._externalAnnotations.qualifier;
    }

    /**
     * Returns the annotations for this object
     *
     * @returns {EdmAnnotation[]}
     */
    getAnnotations() {
        if (!this._annotations) {
            this._annotations = this._externalAnnotations.annotations.map(item => new EdmAnnotation(this._edm, item));
        }
        return this._annotations;
    }
}

module.exports = EdmAnnotations;