cms_thermo_active/Step.Model/DatabaseModels/MaintenanceModel.cs

using System;
using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;

namespace Step.Model.DatabaseModels
{
    [Table("maintenance")]
    public class MaintenanceModel
    {
        [Key]
        [Column("id")]
        public int MaintenanceId { get; set; }

        [Column("intervall")]
        public TimeSpan Intervall { get; set; }

        [Column("deadline")]
        public DateTime DeadLine { get; set; }

        [Column("type")]
        public string Type { get; set; }

        [Column("counter_id")]
        public int CounterId { get; set; }

        [Column("creation_date")]
        public DateTime CreationDate { get; set; }

        public override bool Equals(object obj)
        {
            var item = obj as MaintenanceModel;

            if (item == null)
                return false;

            if (item.MaintenanceId != MaintenanceId)
                return false;

            return true;
        }
    }
}