Examples with ExchangeRate javax.money.convert.ExchangeRate used on opensource projects

Example 16 with ExchangeRate

use of javax.money.convert.ExchangeRate in project jsr354-ri by JavaMoney.

the class IMFAbstractRateProvider method getExchangeRate.

@Override
public ExchangeRate getExchangeRate(ConversionQuery conversionQuery) {
    try {
        if (loadLock.await(30, TimeUnit.SECONDS)) {
            if (currencyToSdr.isEmpty()) {
                return null;
            }
            if (!isAvailable(conversionQuery)) {
                return null;
            }
            CurrencyUnit base = conversionQuery.getBaseCurrency();
            CurrencyUnit term = conversionQuery.getCurrency();
            LocalDate[] times = getQueryDates(conversionQuery);
            ExchangeRate rate1 = getExchangeRate(currencyToSdr.get(base), times);
            ExchangeRate rate2 = getExchangeRate(sdrToCurrency.get(term), times);
            if (base.equals(SDR)) {
                return rate2;
            } else if (term.equals(SDR)) {
                return rate1;
            }
            if (Objects.isNull(rate1) || Objects.isNull(rate2)) {
                return null;
            }
            ConversionContext context = getExchangeContext("imf.digit.fraction");
            ExchangeRateBuilder builder = new ExchangeRateBuilder(context);
            builder.setBase(base);
            builder.setTerm(term);
            builder.setFactor(multiply(rate1.getFactor(), rate2.getFactor()));
            builder.setRateChain(rate1, rate2);
            return builder.build();
        } else {
            // Lets wait for a successful load only once, then answer requests as data is present.
            loadLock.countDown();
            throw new MonetaryException("Failed to load currency conversion data: " + loadState);
        }
    } catch (InterruptedException e) {
        throw new MonetaryException("Failed to load currency conversion data: Load task has been interrupted.", e);
    }
}

Example 17 with ExchangeRate

use of javax.money.convert.ExchangeRate in project jsr354-ri by JavaMoney.

the class IMFRateReadingHandler method saveExchangeRate.

private void saveExchangeRate(Map<CurrencyUnit, List<ExchangeRate>> currencyToSdr, Map<CurrencyUnit, List<ExchangeRate>> sdrToCurrency, boolean isCurrencyToSdr, List<LocalDate> timestamps, CurrencyUnit currency, Double[] values) {
    for (int index = 0; index < values.length; index++) {
        if (Objects.isNull(values[index]) || Objects.isNull(getLocalDateFromTS(timestamps, index))) {
            continue;
        }
        LocalDate fromTS = getLocalDateFromTS(timestamps, index);
        RateType rateType = getRateType(fromTS);
        if (isCurrencyToSdr) {
            ExchangeRate rate = new ExchangeRateBuilder(ConversionContextBuilder.create(context, rateType).set(fromTS).build()).setBase(currency).setTerm(IMFAbstractRateProvider.SDR).setFactor(new DefaultNumberValue(1D / values[index])).build();
            List<ExchangeRate> rates = currencyToSdr.computeIfAbsent(currency, c -> new ArrayList<>(5));
            rates.add(rate);
        } else {
            ExchangeRate rate = new ExchangeRateBuilder(ConversionContextBuilder.create(context, rateType).set(fromTS).build()).setBase(IMFAbstractRateProvider.SDR).setTerm(currency).setFactor(DefaultNumberValue.of(1D / values[index])).build();
            List<ExchangeRate> rates = sdrToCurrency.computeIfAbsent(currency, (c) -> new ArrayList<>(5));
            rates.add(rate);
        }
    }
}

Example 18 with ExchangeRate

use of javax.money.convert.ExchangeRate in project jsr354-ri by JavaMoney.

the class MonetaryConversionTest method testGetExchangeRateProvider_Chained.

@Test
public void testGetExchangeRateProvider_Chained() throws InterruptedException {
    ExchangeRateProvider prov = MonetaryConversions.getExchangeRateProvider("IMF");
    assertTrue(Objects.nonNull(prov));
    assertEquals(IMFRateProvider.class, prov.getClass());
    // Test rate provided by IMF (derived)
    // wait for provider to load...
    Thread.sleep(5000L);
    ExchangeRate exchangeRate = prov.getExchangeRate(Monetary.getCurrency("USD"), Monetary.getCurrency("INR"));
    assertTrue(Objects.nonNull(exchangeRate));
    assertTrue(exchangeRate.isDerived());
    // Test rate provided by ECB
    exchangeRate = prov.getExchangeRate(Monetary.getCurrency("EUR"), Monetary.getCurrency("CHF"));
    assertTrue(Objects.nonNull(exchangeRate));
    assertTrue(exchangeRate.isDerived());
}

Example 19 with ExchangeRate

use of javax.money.convert.ExchangeRate in project jsr354-ri by JavaMoney.

the class MonetaryConversionTest method testGetExchangeRateDefault.

@Test
public void testGetExchangeRateDefault() {
    ExchangeRateProvider prov = MonetaryConversions.getExchangeRateProvider();
    assertTrue(Objects.nonNull(prov));
    ExchangeRate rate = prov.getExchangeRate("CHF", "EUR");
    assertNotNull(rate);
}

Example 20 with ExchangeRate

use of javax.money.convert.ExchangeRate in project jsr354-ri by JavaMoney.

the class DefaultExchangeRate method hashCode.

/*
     * (non-Javadoc)
     *
     * @see java.lang.Object#hashCode()
     */
@Override
public int hashCode() {
    // Numerically equal factors should produce the same hash code, so hash a normalized
    // version of the factor rather than the NumberValue object.
    BigDecimal normalizedFactor = factor.numberValue(BigDecimal.class).stripTrailingZeros();
    // The exchange rate chain includes a reference to "this" if the caller doesn't explicitly
    // set a chain in the builder, so we can't naively hash the chain or we'll get infinite
    // recursion.
    int chainHash = 0;
    for (ExchangeRate chainedRate : chain) {
        if (chainedRate == this) {
            // Use a constant to represent the presence of this object in the chain.
            chainHash = Objects.hash(chainHash, "this");
        } else {
            chainHash = Objects.hash(chainHash, chainedRate);
        }
    }
    return Objects.hash(base, conversionContext, normalizedFactor, term, chainHash);
}