in orderbook-sample/src/main/java/com/epam/deltix/orderbook/sample/AbstractSample.java [58:81]
public static PackageHeader createL1VendorUpdate(final double bbo,
final long exchangeId,
final CharSequence symbol) {
final PackageHeader packageHeader = new PackageHeader();
packageHeader.setEntries(new ObjectArrayList<>());
packageHeader.setSymbol(symbol);
packageHeader.setPackageType(PackageType.VENDOR_SNAPSHOT);
L1EntryInterface entryNew = new L1Entry();
entryNew.setPrice(Decimal64Utils.fromDouble(bbo));
entryNew.setSize(Decimal64Utils.fromDouble(10));
entryNew.setSide(QuoteSide.ASK);
entryNew.setExchangeId(exchangeId);
packageHeader.getEntries().add(entryNew);
entryNew = new L1Entry();
entryNew.setPrice(Decimal64Utils.fromDouble(bbo));
entryNew.setSize(Decimal64Utils.fromDouble(10));
entryNew.setSide(QuoteSide.BID);
entryNew.setExchangeId(exchangeId);
packageHeader.getEntries().add(entryNew);
return packageHeader;
}