public void Add(Instrument instrument)
{
if (instrument.CCY1 != 0 && instrument.CCY2 != 0)
{
if (this.mappings[instrument.CCY1] == null)
this.mappings[instrument.CCY1] = new IdArray<Instrument>(256);
this.mappings[instrument.CCY1][instrument.CCY2] = instrument;
}
}