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;
}
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);
}