Attribute-flavored Domain Driven Design

using System;
using System.Xml.Serialization;
using Codebasement.DomainDrivenDesign.Basement.Basement;
using Codebasement.DomainDrivenDesign.Basement.EventArguments;

namespace Codebasement.DomainDrivenDesign.Basement.Basement
{
    /// <summary>
    /// Summary description for Parameter.
    /// </summary>
    [Serializable]
    public class Parameter
    {
        [NonSerialized] private BasementObject _basementObject;
        [NonSerialized] private bool _isDirty;

        private string _name = String.Empty;
        private string _value = String.Empty;

        /// <summary>
        /// Initializes a new instance of the <see cref="Parameter"/> class.
        /// </summary>
        public Parameter()
        {
        }

        /// <summary>
        /// Initializes a new instance of the <see cref="Parameter"/> class.
        /// </summary>
        /// <param name="basementObject">The basement object.</param>
        /// <param name="name">The name.</param>
        public Parameter(BasementObject basementObject, string name) : this()
        {
            _basementObject = basementObject;
            _name = name;
        }

        /// <summary>
        /// Gets or sets the name
        /// </summary>
        public string Name
        {
            get { return _name; }
            set { _name = value; }
        }

        /// <summary>
        /// IsUpdated
        /// </summary>
        [XmlIgnore]
        public bool IsDirty
        {
            get { return _isDirty; }
            set { _isDirty = value; }
        }

        /// <summary>
        /// Gets or sets the content.
        /// </summary>
        /// <value>The content.</value>
        public string Value
        {
            get { return _value; }
            set
            {
                string oldValue = _value;
                string newValue = String.Empty;

                if (value != null)
                {
                    newValue = value;
                }

                // assign value if different
                if (oldValue != newValue)
                {
                    _value = newValue;

                    // mark property as changed
                    _isDirty = true;

                    // raise change event on BasementObject
                    if (_basementObject != null)
                        _basementObject.OnBasementObjectUpdated(new BasementObjectEventArgs(_basementObject));
                }
            }
        }
    }
}