Examples with ToLongBiFunction java.util.function.ToLongBiFunction used on opensource projects

Example 1 with ToLongBiFunction

use of java.util.function.ToLongBiFunction in project portfolio by buchen.

the class PerformanceIndex method calculateAbsoluteInvestedCapital.

/**
 * Calculates the absolute invested capital, i.e. starting with the first
 * transaction recorded for the client.
 */
public long[] calculateAbsoluteInvestedCapital() {
    ToLongBiFunction<Money, LocalDateTime> convertIfNecessary = (amount, date) -> {
        if (amount.getCurrencyCode().equals(getCurrencyConverter().getTermCurrency()))
            return amount.getAmount();
        else
            return getCurrencyConverter().convert(date, amount).getAmount();
    };
    long startValue = 0;
    Interval interval = getActualInterval();
    LocalDateTime intervalStart = interval.getStart().atStartOfDay();
    for (Account account : getClient().getAccounts()) startValue += // 
    account.getTransactions().stream().filter(t -> t.getType() == AccountTransaction.Type.DEPOSIT || t.getType() == AccountTransaction.Type.REMOVAL).filter(// 
    t -> t.getDateTime().isBefore(intervalStart)).mapToLong(t -> {
        if (t.getType() == AccountTransaction.Type.DEPOSIT)
            return convertIfNecessary.applyAsLong(t.getMonetaryAmount(), t.getDateTime());
        else if (t.getType() == AccountTransaction.Type.REMOVAL)
            return -convertIfNecessary.applyAsLong(t.getMonetaryAmount(), t.getDateTime());
        else
            return 0;
    }).sum();
    for (Portfolio portfolio : getClient().getPortfolios()) startValue += // 
    portfolio.getTransactions().stream().filter(t -> t.getType() == PortfolioTransaction.Type.DELIVERY_INBOUND || t.getType() == PortfolioTransaction.Type.DELIVERY_OUTBOUND).filter(// 
    t -> t.getDateTime().isBefore(intervalStart)).mapToLong(t -> {
        if (t.getType() == PortfolioTransaction.Type.DELIVERY_INBOUND)
            return convertIfNecessary.applyAsLong(t.getMonetaryAmount(), t.getDateTime());
        else if (t.getType() == PortfolioTransaction.Type.DELIVERY_OUTBOUND)
            return -convertIfNecessary.applyAsLong(t.getMonetaryAmount(), t.getDateTime());
        else
            return 0;
    }).sum();
    return calculateInvestedCapital(startValue);
}