private void appendContract(final RequestBuilder builder) {
if (Feature.MARKET_DATA_REQUEST_BY_CONTRACT_ID.isSupportedByVersion(
getServerCurrentVersion())) {
builder.append(contract.getId());
}
builder.append(contract.getSymbol());
builder.append(contract.getSecurityType().getAbbreviation());
builder.append(contract.getExpiry());
builder.append(contract.getStrike());
builder.append(contract.getOptionRight().getName());
builder.append(contract.getMultiplier());
builder.append(contract.getExchange());
builder.append(contract.getPrimaryExchange());
builder.append(contract.getCurrencyCode());
builder.append(contract.getLocalSymbol());
}
