//============================================================
// ICOMPARABLE IMPLEMENTATION
//============================================================
#region CompareTo(object obj)
/// <summary>
/// Compares the current instance with another object of the same type.
/// </summary>
/// <param name="obj">An object to compare with this instance.</param>
/// <returns>A 32-bit signed integer that indicates the relative order of the objects being compared.</returns>
/// <exception cref="ArgumentException">The <paramref name="obj"/> is not the expected <see cref="Type"/>.</exception>
public int CompareTo(object obj)
{
//------------------------------------------------------------
// If target is a null reference, instance is greater
//------------------------------------------------------------
if (obj == null)
{
return(1);
}
//------------------------------------------------------------
// Determine comparison result using property state of objects
//------------------------------------------------------------
AtomId value = obj as AtomId;
if (value != null)
{
int result = Uri.Compare(this.Uri, value.Uri, UriComponents.AbsoluteUri, UriFormat.Unescaped, StringComparison.Ordinal);
result = result | AtomUtility.CompareCommonObjectAttributes(this, value);
return(result);
}
else
{
throw new ArgumentException(String.Format(null, "obj is not of type {0}, type was found to be '{1}'.", this.GetType().FullName, obj.GetType().FullName), "obj");
}
}
/// <summary>
/// Initializes a new instance of the <see cref="AtomSource"/> class using the supplied <see cref="AtomId"/>, <see cref="AtomTextConstruct"/>, and <see cref="DateTime"/>.
/// </summary>
/// <param name="id">A <see cref="AtomId"/> object that represents a permanent, universally unique identifier for this source.</param>
/// <param name="title">A <see cref="AtomTextConstruct"/> object that represents information that conveys a human-readable title for this source.</param>
/// <param name="utcUpdatedOn">
/// A <see cref="DateTime"/> that indicates the most recent instant in time when this source was modified in a way the publisher considers significant.
/// The <see cref="DateTime"/> should be provided in Coordinated Universal Time (UTC).
/// </param>
public AtomSource(AtomId id, AtomTextConstruct title, DateTime utcUpdatedOn)
{
//------------------------------------------------------------
// Initialize class state using properties
//------------------------------------------------------------
this.Id = id;
this.Title = title;
this.UpdatedOn = utcUpdatedOn;
}
