igniteui-webcomponents-datasources/esm2015/lib/Schema.js

Reference custom data providers for the Ignite UI Web Components data source.

import { Entity } from "./Entity";
import { EntitySet } from "./EntitySet";
import { XName } from "igniteui-webcomponents-core";
export class Schema {
    constructor(namespace, entityTypeElements, entitySetElements) {
        this._entities = null;
        this._entitySets = null;
        this._namespace = null;
        this.namespace = namespace;
        this.loadEntities(entityTypeElements);
        this.loadEntitySets(entitySetElements);
    }
    get entities() {
        if (null == this._entities) {
            this._entities = new Map();
        }
        return this._entities;
    }
    get entitySets() {
        if (null == this._entitySets) {
            this._entitySets = new Map();
        }
        return this._entitySets;
    }
    get namespace() {
        return this._namespace;
    }
    set namespace(value) {
        this._namespace = value;
    }
    loadEntities(entityTypeElements) {
        let list = entityTypeElements;
        let elementCount = list.length;
        let name = XName.get("Name", "");
        for (let i = 0; i < elementCount; i++) {
            let node = list[i];
            let entity = new Entity(node.attribute(name).value, node);
            this.entities.set(entity.name, entity);
        }
        ;
    }
    loadEntitySets(entitySetElements) {
        let list = entitySetElements;
        let elementCount = list.length;
        let nameAttr = XName.get("Name", "");
        let entityType = XName.get("EntityType", "");
        for (let i = 0; i < elementCount; i++) {
            let node = list[i];
            let entitySet = new EntitySet(node.attribute(nameAttr).value, node.attribute(entityType).value);
            this.entitySets.set(entitySet.name, entitySet);
        }
        ;
    }
}