PySpark Выбрать топ-записи, используя разделы

import { Directive, ElementRef, Input, OnInit } from '@angular/core';
import { Headers, Http, Response } from '@angular/http';

@Directive({ selector: 'ngInclude' })
export class NgIncludeDirective implements OnInit {

@Input('src')
private templateUrl: string;
@Input('type')
private type: string;

constructor(private element: ElementRef, private http: Http) {

}
parseTemplate(res: Response) {
    if (this.type == 'template') {
        this.element.nativeElement.innerHTML = res.text();
    } else if (this.type == 'style') {
        var head = document.head || document.getElementsByTagName('head')[0];
        var style = document.createElement('style');
        style.type = 'text/css';
        style.appendChild(document.createTextNode(res.text()));
        head.appendChild(style);
    }
}
handleTempalteError(err) {

}
ngOnInit() {
    //Loads the HTML and bind it to the view
    this.
        http.
        get(this.templateUrl).
        map(res => this.parseTemplate(res)).
        catch(this.handleTempalteError.bind(this)).subscribe(res => {
            console.log(res);
        });
}

}