jeffwf

@Entity
public class Person {
  @Value
  private String firstName;
  @Value
  private String middleName;
  @Value
  private String lastName;

  Person() {}

jeffwf

public class Person {
  private final String firstName;
  private final Optional<String> middleName;
  private final String lastName;
  
  public Person(
      String firstName,
      Optional<String> middleName, 
      String lastName) {
    Objects.requireNonNull(firstName);

jeffwf

void rebalancePortfolio(Account account) {
  if (account.getPortfolio() != null) {
    List<Holding> holdings = account.getPortfolio().getHoldings();
    if (holdings != null) {
      for (Holding holding : holdings) {
        if (holding != null) {
          ...
        }
      }
    }

jeffwf

void rebalancePortfolio(Account account) {
  if (account != null && account.getPortfolio() != null) {
    List<Holding> holdings = account.getPortfolio().getHoldings();
    ...
  }
}

jeffwf

void rebalancePortfolio(Account account) {
  List<Holding> holdings = account.getPortfolio().getHoldings();
  ...
}

jeffwf

public abstract class InvestmentVehicle extends AllocatedAssetType implements NumberedValue {
 
  private final int number;
  private final String name;
  private final AssetClass assetClass;
 
  // boilerplate POJO implementation
 
  public static List<? extends InvestmentVehicle> getAll() {...}
 

jeffwf

public abstract class AllocatedAssetType {
 
  public static List<AllocatedAssetType> getAllAllocatedAssetTypes() {...}
 
  public static final Cash CASH = new Cash();
 
  public static final class Cash extends AllocatedAssetType {
 
    private Cash() {}
 

jeffwf

sc.sanity.sharpe_ratio=40
sc.sanity.sortino_ratio=20
sc.sanity.information_ratio=0.6

sc.sanity.concentration=2.3
sc.sanity.turnover=9.7
sc.sanity.investing_iq=15
sc.sanity.max_new=5000
sc.sanity.max_missing=5000
sc.sanity.insanity_threshold_percent=10

jeffwf

public final class EtfVehicle extends InvestmentVehicle
{
  public static final EtfVehicle E01_EMERGING = new EtfVehicle(1, "E01_EMERGING", AssetClass.INTL_EMERGING, /*VWO*/8901L);
  public static final EtfVehicle E02_DEVELOPED = new EtfVehicle(2, "E02_DEVELOPED", AssetClass.INTL_DEVELOPED, /*VEA*/5381L);
  public static final EtfVehicle E03_REAL_ESTATE = new EtfVehicle(3, "E03_REAL_ESTATE", AssetClass.REAL_ESTATE, /*VNQ*/4229L);
  ...

  private final InstrumentId instrumentId;

  private EtfVehicle(int number, String identity, AssetClass assetClass, InstrumentId instrumentId) {...}

jeffwf

public class EtfModel extends AbstractHibernateEntity {
  private Id<EtfModel> id;
  private InstrumentId instrumentId;
  private AssetClass assetClass;
  private DateTime createdAt;
  
  // boilerplate POJO implementation
}