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href="util.PushMessage.html" class="nav-name">PushMessage</a></li> <li class=""><a href="util.TokenStorage.html" class="nav-name">TokenStorage</a></li> <li class=""><a href="util.ValidationResult.html" class="nav-name">ValidationResult</a></li> <li class=""><a href="util.Validator.html" class="nav-name">Validator</a></li> <li class=""><a href="util.TokenStorageFactory.html" class="nav-name">TokenStorageFactory</a></li> </ul> </li> </ul> </div> <div class="col-md-12" id="main"> <div class="content"> <h1 class="page-title">Source: lib/metamodel/Attribute.js</h1> <section> <article> <pre class="prettyprint source linenums"><code>'use strict'; const Accessor = require('../binding/Accessor'); /** * @alias metamodel.Attribute */ class Attribute { /** * Returns the persistent attribute type * @type Attribute.PersistentAttributeType * @readonly */ get persistentAttributeType() { return -1; } /** * @type boolean * @readonly */ get isAssociation() { return this.persistentAttributeType > Attribute.PersistentAttributeType.EMBEDDED; } /** * @type boolean * @readonly */ get isCollection() { return this.persistentAttributeType === Attribute.PersistentAttributeType.ELEMENT_COLLECTION; } /** * @param {string} name The attribute name * @param {boolean=} isMetadata <code>true</code> if the attribute is an metadata attribute */ constructor(name, isMetadata) { /** @type boolean */ this.isMetadata = !!isMetadata; /** @type boolean */ this.isId = false; /** @type boolean */ this.isVersion = false; /** @type boolean */ this.isAcl = false; /** @type string */ this.name = name; /** @type number */ this.order = null; /** @type binding.Accessor */ this.accessor = null; /** @type metamodel.ManagedType */ this.declaringType = null; /** @type Object<string,string>|null */ this.metadata = null; } /** * @param {metamodel.ManagedType} declaringType The type that owns this attribute * @param {number} order Position of the attribute * @return {void} */ init(declaringType, order) { if (this.declaringType) { throw new Error('The attribute is already initialized.'); } this.order = order; this.accessor = new Accessor(); this.declaringType = declaringType; } /** * @param {Object} entity * @return {*} */ getValue(entity) { return this.accessor.getValue(entity, this); } /** * @param {Object} entity * @param {*} value * @return {void} */ setValue(entity, value) { this.accessor.setValue(entity, this, value); } /** * Retrieves whether this type has specific metadata * * @param {string} key * @return {boolean} */ hasMetadata(key) { return this.metadata && !!this.metadata[key]; } /** * Gets some metadata of this type * * @param {string} key * @return {null|string} */ getMetadata(key) { if (!this.hasMetadata(key)) { return null; } return this.metadata[key]; } /** * Gets this attribute value form the object as json * @param {util.Metadata} state The root object state * @param {*} object The object which contains the value of this attribute * @param {Object} options additional options which are applied through the conversion * @return {*} The converted json value * @abstract */ getJsonValue(state, object, options) {} // eslint-disable-line no-unused-vars /** * Sets this attribute value from json to the object * @param {util.Metadata} state The root state * @param {*} object The object which contains the attribute * @param {*} jsonValue The json value to convert an set * @param {Object} options additional options which are applied through the conversion * @return {void} * @abstract */ setJsonValue(state, object, jsonValue, options) {} // eslint-disable-line no-unused-vars /** * Converts this attribute field to json * @return {json} The attribute description as json */ toJSON() { return { name: this.name, metadata: this.metadata || undefined, order: this.order, }; } } /** * @enum {number} */ Attribute.PersistentAttributeType = { BASIC: 0, ELEMENT_COLLECTION: 1, EMBEDDED: 2, MANY_TO_MANY: 3, MANY_TO_ONE: 4, ONE_TO_MANY: 5, ONE_TO_ONE: 6, }; module.exports = Attribute; </code></pre> </article> </section>  </div> </div> </div> </div> </div> <div id="footer" style="position:relative; z-index:1;"> <div class="container"> <div class="row"> <div class="col-xs-6 col-sm-3 sitemap"> <h4>Product</h4> <a href="https://www.baqend.com/platform.html">Platform</a> <a href="https://www.baqend.com/speedkit.html">Speed Kit</a> <a href="https://www.baqend.com/features.html">Features</a> <a href="https://www.baqend.com/pricing.html">Platform Pricing</a> <a href="https://www.baqend.com/pricing_speedkit.html">Speed Kit Pricing</a> <a href="https://www.baqend.com/agencies.html">Agencies</a> <a href="https://www.baqend.com/enterprise.html">Enterprise</a> <a href="https://www.baqend.com/features.html#download">Community Edition</a> <a href="https://www.baqend.com/support.html">Support</a> </div> <div class="col-xs-6 col-sm-3 sitemap"> <h4>Company</h4> <a href="https://www.baqend.com/about.html">About us</a> <a href="https://medium.baqend.com">Baqend Blog</a> <a 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