/* Filter by market message */
if(!message.getMessageType().isMarketMessage) {
return false;
}
final DDF_MarketBase marketMsg = (DDF_MarketBase) message;
/* Filter by instrument */
if(subscriptions.containsKey(marketMsg.getInstrument().get(
DDF_InstrumentField.DDF_SYMBOL_REALTIME).toString())) {
return true;
}