#region  --------------- Copyright Dresser Wayne Pignone -------------
/*
 * $Log: /Wrk/Support/ForecourtControl/Wrk/ForecourtControl/IPricePole.cs $
 * 
 * 1     07-03-08 13:09 roger.månsson
 * Created
 */
#endregion
using System;
using Wayne.Lib;

namespace Wayne.ForecourtControl
{
    /// <summary>
    /// Represents a price display on the forecourt. The price display is constructed of a series of 
    /// price display segments, that each display the price for one fuel grade in one price group.
    /// </summary>
    public interface IPricePole
    {
        #region Properties

        /// <summary>
        /// Price pole number
        /// </summary>
        int Id { get;}

        /// <summary>
        /// The connection state of the price pole.
        /// </summary>
        DeviceConnectionState ConnectionState { get;}

        /// <summary>
        /// An array of the display segments in the price pole.
        /// </summary>
        System.Collections.ObjectModel.ReadOnlyCollection<IPricePoleSegment> DisplaySegments{get;}

        #endregion 

        #region Events

        /// <summary>
        /// Event fired when the connection state of the pricepole changes.
        /// </summary>
        event EventHandler<ConnectionChangedEventArgs> OnConnectionStateChanged;

        #endregion 
    }
}