/// <summary>
/// Compare this version number with that of another version number.
/// </summary>
/// <param name="obj">
/// A <see cref="MigratorVersionStep"/> or <see cref="PackageVersion"/> cast as an
/// object to be compared against.
/// </param>
/// <returns>
/// 0 if the two version are the same; -1 if this version is less than the passed
/// version and 1 if this version is greater than the passed verison.
/// </returns>
public new int CompareTo(object obj)
{
if (typeof(MigratorVersionStep).IsInstanceOfType(obj))
{
MigratorVersionStep other = (MigratorVersionStep)obj;
int result = base.CompareTo(obj);
if (result != 0)
{
return(result);
}
return(this.Step.CompareTo(other.Step));
}
else
{
int result = base.CompareTo(obj);
if (result != 0)
{
return(result);
}
//
// If the step is greater than 0 and the other object is a base version
// number (without steps) then this object is greater than the other
// object.
//
if (this.Step > 0)
{
return(1);
}
return(0);
}
}
/// <summary>
/// Initialize a new MigratorVersionAttribute object with the specified version
/// numbering.
/// </summary>
/// <param name="major">
/// A <see cref="Int32"/> value that specifies the major version number.
/// </param>
/// <param name="minor">
/// A <see cref="Int32"/> value that specifies the minor version number.
/// </param>
/// <param name="revision">
/// A <see cref="Int32"/> value that specifies the revision number.
/// </param>
/// <param name="step">
/// A <see cref="Int32"/> value that specifies which step in the upgrade/downgrade
/// sequence.
/// </param>
public MigratorVersionAttribute(Int32 major, Int32 minor, Int32 revision, Int32 step)
: base()
{
Version = new MigratorVersionStep(major, minor, revision, step);
}
