feat(di): add metadata to Key

This commit is contained in:
vsavkin
2014-10-20 15:17:06 -04:00
parent 2a4b63b614
commit ea0df352be
7 changed files with 58 additions and 9 deletions

View File

@ -12,6 +12,8 @@ function constructResolvingPath(keys:List) {
}
}
export class KeyMetadataError extends Error {}
export class ProviderError extends Error {
constructor(key:Key, constructResolvingMessage:Function) {
this.keys = [key];

View File

@ -44,13 +44,13 @@ export class Injector {
_createListOfBindings(flattenBindings):List {
var bindings = ListWrapper.createFixedSize(Key.numberOfKeys() + 1);
var bindings = ListWrapper.createFixedSize(Key.numberOfKeys + 1);
MapWrapper.forEach(flattenBindings, (v, keyId) => bindings[keyId] = v);
return bindings;
}
_createInstances():List {
return ListWrapper.createFixedSize(Key.numberOfKeys() + 1);
return ListWrapper.createFixedSize(Key.numberOfKeys + 1);
}
_getByKey(key:Key, returnPromise:boolean, returnLazy:boolean) {

View File

@ -1,30 +1,44 @@
import {KeyMetadataError} from './exceptions';
import {MapWrapper, Map} from 'facade/collection';
import {FIELD, int, isPresent} from 'facade/lang';
var _allKeys = MapWrapper.create();
var _id:int = 0;
export class Key {
@FIELD('final token')
@FIELD('final id:int')
@FIELD('metadata:Object')
constructor(token, id:int) {
this.token = token;
this.id = id;
this.metadata = null;
}
static get(token) {
static get(token):Key {
if (token instanceof Key) return token;
if (MapWrapper.contains(_allKeys, token)) {
return MapWrapper.get(_allKeys, token);
}
var newKey = new Key(token, ++_id);
var newKey = new Key(token, Key.numberOfKeys);
MapWrapper.set(_allKeys, token, newKey);
return newKey;
}
static numberOfKeys() {
return _id;
static setMetadata(key:Key, metadata):Key {
if (isPresent(key.metadata) && key.metadata !== metadata) {
throw new KeyMetadataError();
}
key.metadata = metadata;
return key;
}
static clear() {
_allKeys = MapWrapper.create();
}
static get numberOfKeys():int {
return MapWrapper.size(_allKeys);
}
}