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47 lines (42 loc) · 1.29 KB
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import {ComponentRef} from 'angular2/src/core/compiler/dynamic_component_loader';
import {Injector} from 'angular2/src/core/di';
import {Type} from 'angular2/src/core/facade/lang';
/**
* Represents a Angular's representation of an Application.
*
* `ApplicationRef` represents a running application instance. Use it to retrieve the host
* component, injector,
* or dispose of an application.
*/
export class ApplicationRef {
_hostComponent: ComponentRef;
_injector: Injector;
_hostComponentType: Type;
/**
* @private
*/
constructor(hostComponent: ComponentRef, hostComponentType: Type, injector: Injector) {
this._hostComponent = hostComponent;
this._injector = injector;
this._hostComponentType = hostComponentType;
}
/**
* Returns the current {@link ComponentMetadata} type.
*/
get hostComponentType(): Type { return this._hostComponentType; }
/**
* Returns the current {@link ComponentMetadata} instance.
*/
get hostComponent(): any { return this._hostComponent.instance; }
/**
* Dispose (un-load) the application.
*/
dispose(): void {
// TODO: We also need to clean up the Zone, ... here!
this._hostComponent.dispose();
}
/**
* Returns the root application {@link Injector}.
*/
get injector(): Injector { return this._injector; }
}