public override bool Equals(Xlob xlob)
{
if (xlob == null) return false;
if (xlob == this) return true;
ExternalXlob ex = xlob as ExternalXlob;
if (ex == null || !this.Connection.Equals(ex.Connection) || this.identifier.Length != ex.identifier.Length ||
(this.compression != ex.compression && this.compression != null && !this.compression.Equals(ex.compression))) return false;
byte[] a = this.identifier, b = ex.identifier;
for (int i = 0; i < a.Length; i++)
if (a[i] != b[i]) return false;
return true;
}
}