loopback/lib/application.js

157 lines
2.5 KiB
JavaScript

/**
* Module dependencies.
*/
var DataSource = require('jugglingdb').DataSource
, ModelBuilder = require('jugglingdb').ModelBuilder
, assert = require('assert')
, RemoteObjects = require('sl-remoting');
/**
* Export the app prototype.
*/
var app = exports = module.exports = {};
/**
* Create a set of remote objects.
*/
app.remotes = function () {
if(this._remotes) {
return this._remotes;
} else {
return (this._remotes = RemoteObjects.create());
}
}
/**
* Expose an object or Class remotely.
*
* @param {String} name The remote namespace (eg. url base)
* @param {Object|Function} obj The object to remote
*/
app.remote = function (name, obj) {
// add the object to the remote exports
this.remotes().exports[name] = obj;
// clear the handlers cache
this._handlers = {};
}
/**
* Remove a route by reference.
*/
app.disuse = function (route) {
if(this.stack) {
for (var i = 0; i < this.stack.length; i++) {
if(this.stack[i].route === route) {
this.stack.splice(i, 1);
}
}
}
}
/**
* Get ModelBuilder.
*/
app.modelBuilder = function () {
return this._modelBuilder || (this._modelBuilder = new ModelBuilder())
}
/**
* App models.
*/
app._models = [];
app._services = [];
/**
* Expose a model.
*
* @param Model {Model}
*/
app.model = function (Model) {
var remotes = this.remotes();
this._models.push(Model);
Model.shared = true;
Model.app = this;
if(Model._remoteHooks) {
Model._remoteHooks.emit('attached', app);
}
// add to the remote exports
this.remote(Model.pluralModelName, Model);
}
/**
* Get all exposed models.
*/
app.models = function () {
return this._models;
}
/**
* Expose a service.
*
* @param {String} name
* @param {Service} service
*/
app.service = function (name, service) {
this._services.push(service);
service.shared = true;
service.app = this;
// add to the remote exports
this.remote(name, service);
}
/**
* Get all exposed services.
*/
app.services = function () {
return this._services;
}
/**
* Get the apps set of remote objects.
*/
app.remotes = function () {
return this._remotes || (this._remotes = RemoteObjects.create());
}
/**
* Get a remotes handler.
*/
app.handler = function (type) {
var handler = this._handlers[type];
if(!handler) {
// get the sl remoting object
var remotes = this.remotes();
// create and save the handler
handler = this._handlers[type] = remotes.handler(type);
}
return handler;
}
/*!
* Handlers
*/
app._handlers = {};