alcaeus-model/ResourceFactory.js

rdfine models for Alcaeus, Hydra client

export default class CachedResourceFactoryImpl {
    constructor(inner, env) {
        this.env = env;
        this.__cache = env.termMap();
        this.__inner = inner;
    }
    // get BaseClass() {
    //  return this.__inner.BaseClass
    // }
    removeCache(graph) {
        this.__cache.delete(graph);
    }
    clone() {
        return new CachedResourceFactoryImpl(this.__inner, this.env);
    }
    createEntity(pointer, typeAndMixins, options) {
        const graph = pointer._context[0].graph || this.env.defaultGraph();
        if (!this.__cache.has(graph)) {
            this.__cache.set(graph, this.env.termMap());
        }
        const graphCache = this.__cache.get(graph);
        if (!graphCache.has(pointer.term)) {
            const resource = this.__inner.createEntity(pointer, typeAndMixins, options);
            graphCache.set(pointer.term, resource);
        }
        return graphCache.get(pointer.term);
    }
    addMixin(...mixins) {
        this.__inner.addMixin(...mixins);
    }
}