blow-data/src/adapters/Adapter.ts

Data access layer for Blow.

'use strict';

import {Observable} from 'rxjs';
import {IAdapter, IAdapterOptions, IAdapterConstructor} from '../interfaces';

const DEFAULT_ID_PROPERTY_NAME  = 'id';
const DEFAULT_ID_PROPERTY_TYPE  = 'string';

export class Adapter implements IAdapter {
  
  protected _options: IAdapterOptions;
  
  constructor(options: IAdapterOptions) {
    this._options = options;
  } 
  
  get idPropertyName(): string {
    return DEFAULT_ID_PROPERTY_NAME;
  }
  
  get idPropertyType(): any {
    return DEFAULT_ID_PROPERTY_TYPE;
  }
  
  protected _connect(): Observable<IAdapter> {
    return Observable.of(this);
  }
  
  connect(): Observable<IAdapter> {
    return this._connect();
  }
  
  toJSON(): {[key: string]: string} {
    return {
      name: this.constructor.name
    };
  }
  
  inspect(): {[key: string]: string} {
    return this.toJSON();
  }
  
  static init(options: IAdapterOptions): Observable<IAdapter> {
    const adapter = new this(options);
    return adapter.connect().mapTo(adapter);
  }
}