c10bfa7956
Add JSDoc for components of modelService exposed by platform/core. Part of ongoing preparation for review and integration; WTD-573.
59 lines
2.1 KiB
JavaScript
59 lines
2.1 KiB
JavaScript
/*global define,Promise*/
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/**
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* Module defining PersistedModelProvider. Created by vwoeltje on 11/12/14.
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*/
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define(
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[],
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function () {
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"use strict";
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/**
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* A model service which reads domain object models from an external
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* persistence service.
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*
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* @constructor
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* @param {PersistenceService} persistenceService the service in which
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* domain object models are persisted.
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* @param $q Angular's $q service, for working with promises
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* @param {string} SPACE the name of the persistence space from which
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* models should be retrieved.
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*/
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function PersistedModelProvider(persistenceService, $q, SPACE) {
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function promiseModels(ids) {
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return $q.all(ids.map(function (id) {
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return persistenceService.readObject(SPACE, id);
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})).then(function (models) {
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var result = {};
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ids.forEach(function (id, index) {
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result[id] = models[index];
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});
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return result;
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});
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}
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return {
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/**
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* Get models with the specified identifiers.
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*
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* This will invoke the underlying persistence service to
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* retrieve object models which match the provided
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* identifiers.
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*
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* Note that the returned object may contain a subset or a
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* superset of the models requested.
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*
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* @param {string[]} ids an array of domain object identifiers
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* @returns {Promise.<object>} a promise for an object
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* containing key-value pairs,
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* where keys are object identifiers and values
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* are object models.
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*/
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getModels: promiseModels
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};
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}
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return PersistedModelProvider;
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}
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); |