/*--------------------------------------------------------------------------------------------------------------
 *  Copyright (c) insite-gmbh. All rights reserved.
 *  Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 *--------------------------------------------------------------------------------------------------------------*/
import { Subject } from "rxjs/Subject";
import { Observable } from 'rxjs/Rx';
import { DataChangeEvent } from "./dataChangedEvent";
import { IDisposable } from '../../../../@inax/common'

/**
 * This stores the Subscriber information and the subject to execute the callback on the subscriber
 * @class PlcSubscriber
 * @author insite-gmbh
 */
export interface IPlcEventProxy extends IDisposable {
    /**
     * This is the plc group. All Varibales in this group are red at the same cycle and the same connection.
     *
     * @property Group
     * @type {string}
     */
    Group:string;

    /**
     * This is the mapping where the variables are specified.
     *
     * @property Mapping
     * @type {string}
     */
    Mapping: string;

    /**
     * This are a comma separated list of active variables
     *
     * @property Variables
     * @type {string}
     */
    Variables: string;

    
    /**
     * Signals if the variable is an absolute address or a symbolic varname
     * 
     * @property Absolute
     * @type {boolean}
     */
    Absolute: boolean;

    /**
     * You can call subscribe on this property to get informed for updates.
     *
     * @property ChangeEvent
     * @type {Observable<DataChangeEvent>}
     */
    ChangeEvent: Observable<DataChangeEvent>;
}