src/app/services/base-data.service.ts

import { Injectable } from '@angular/core';
import { Http, Response, ResponseOptions, Headers } from '@angular/http';
import { Observable } from 'rxjs/Observable';
import 'rxjs/add/operator/catch';
import 'rxjs/add/operator/map';
import 'rxjs/add/observable/throw';

import { SessionContext } from '../common/session-context';
import { Globals } from '../common/globals';
import { BaseHttpService } from './base-http.service';

@Injectable()
export class BaseDataService extends BaseHttpService {

  constructor(
    private _http: Http,
    private _sessionContext: SessionContext) {
    super();
  }
}