var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
    var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
    if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
    else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
    return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var __metadata = (this && this.__metadata) || function (k, v) {
    if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
import { Injectable } from "angular2/src/core/di";
export let RenderStore = class {
    constructor() {
        this._nextIndex = 0;
        this._lookupById = new Map();
        this._lookupByObject = new Map();
    }
    allocateId() { return this._nextIndex++; }
    store(obj, id) {
        this._lookupById.set(id, obj);
        this._lookupByObject.set(obj, id);
    }
    remove(obj) {
        var index = this._lookupByObject.get(obj);
        this._lookupByObject.delete(obj);
        this._lookupById.delete(index);
    }
    deserialize(id) {
        if (id == null) {
            return null;
        }
        if (!this._lookupById.has(id)) {
            return null;
        }
        return this._lookupById.get(id);
    }
    serialize(obj) {
        if (obj == null) {
            return null;
        }
        return this._lookupByObject.get(obj);
    }
};
RenderStore = __decorate([
    Injectable(), 
    __metadata('design:paramtypes', [])
], RenderStore);
