First SystemDateProvider code snippet for Wealthfront engineering blog

SystemDateProvider.java

public class SystemDateProvider implements Provider<LocalDate> {

  private final Supplier<LocalDate> supplier =
    Suppliers.memoizeWithExpiration(this::loadSystemDate, 1, MINUTES);

  private LocalDate loadSystemDate() {
    // Load from database
  }

  @Override
  public LocalDate get() {
    return supplier.get();
  }

}