public bool IsNewerThan(Versioned other)
{
// We are always newer than null.
if (other == null)
{
return(true);
}
// Anything with a valid timestamp always is
// more recent than something w/o a timestamp.
if (ValidTimestamp || other.ValidTimestamp)
{
if (other.ValidTimestamp)
{
return(IsNewerThan(other.Timestamp));
}
else
{
return(true);
}
}
return(false);
}
public bool IsObsoletedBy(Versioned other)
{
// We are never obsoleted by null.
if (other == null)
{
return(false);
}
// Anything with a valid timestamp always is
// more recent than something w/o a timestamp.
if (ValidTimestamp || other.ValidTimestamp)
{
if (other.ValidTimestamp)
{
return(IsObsoletedBy(other.Timestamp));
}
else
{
return(false);
}
}
return(false);
}