Mercurial > pub > ImplabJs
view core/src/js/di/ActivationContext.js @ 34:27e8e9e38e07 default tip
Слияние
author | nickolay |
---|---|
date | Wed, 05 Jun 2019 20:44:15 +0300 |
parents | acdcdf1a8d21 |
children |
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define([ "../declare", "../safe", "./Descriptor", "./ValueDescriptor", "../log/trace!" ], function (declare, safe, Descriptor, Value, trace) { var Context = declare(null, { _cache: null, _services: null, _stack: null, _visited: null, container: null, _trace: true, constructor: function (container, services, cache, visited) { safe.argumentNotNull(container, "container"); safe.argumentNotNull(services, "services"); this._visited = visited || {}; this._stack = []; this._cache = cache || {}; this._services = services; this.container = container; }, getService: function (name, def) { var d = this._services[name]; if (!d) if (arguments.length > 1) return def; else throw new Error("Service '" + name + "' not found"); return d.activate(this, name); }, /** * registers services local to the the activation context * * @name{string} the name of the service * @service{string} the service descriptor to register */ register: function (name, service) { safe.argumentNotEmptyString(name, "name"); if (!(service instanceof Descriptor)) service = new Value(service, true); this._services[name] = service; }, clone: function () { return new Context( this.container, Object.create(this._services), this._cache, this._visited ); }, has: function (id) { return id in this._cache; }, get: function (id) { return this._cache[id]; }, store: function (id, value) { return (this._cache[id] = value); }, parse: function (data, name) { var me = this; if (safe.isPrimitive(data)) return data; if (data instanceof Descriptor) { return data.activate(this, name); } else if (data instanceof Array) { me.enter(name); var v = data.map(function (x, i) { return me.parse(x, "." + i); }); me.leave(); return v; } else { me.enter(name); var result = {}; for (var p in data) result[p] = me.parse(data[p], "." + p); me.leave(); return result; } }, visit: function (id) { var count = this._visited[id] || 0; this._visited[id] = count + 1; return count; }, getStack: function () { return this._stack.slice().reverse(); }, enter: function (name, d, localize) { if (this._trace) trace.log("enter " + name + " " + (d || "") + (localize ? " localize" : "")); this._stack.push({ name: name, service: d, scope: this._services }); if (localize) this._services = Object.create(this._services); }, leave: function () { var ctx = this._stack.pop(); this._services = ctx.scope; if (this._trace) trace.log("leave " + ctx.name + " " + (ctx.service || "")); } }); return Context; });