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

Example 1 with ExchangeRate

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

the class ExchangeRateBuilderTest method testNumberInsignificanceForRates.

@Test
public void testNumberInsignificanceForRates() {
    ExchangeRate rateFromString = new ExchangeRateBuilder(ConversionContext.HISTORIC_CONVERSION).setBase(Monetary.getCurrency("USD")).setTerm(Monetary.getCurrency("EUR")).setFactor(DefaultNumberValue.of(new BigDecimal("1.1"))).build();
    ExchangeRate rateFromDouble = new ExchangeRateBuilder(ConversionContext.HISTORIC_CONVERSION).setBase(Monetary.getCurrency("USD")).setTerm(Monetary.getCurrency("EUR")).setFactor(DefaultNumberValue.of(1.1)).build();
    assertEquals(rateFromDouble, rateFromString, "Rates are not equal for same factor.");
}

Example 2 with ExchangeRate

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

the class ExchangeRateBuilderTest method shouldCreateExchangeRateFromExchangeRate.

@Test
public void shouldCreateExchangeRateFromExchangeRate() {
    ExchangeRate rate = new ExchangeRateBuilder(ConversionContext.ANY_CONVERSION).setBase(CURRENCY).setTerm(CURRENCY).setFactor(NUMBER_FACTOR).build();
    ExchangeRate rate2 = new ExchangeRateBuilder(rate).build();
    assertEquals(rate.getContext(), rate2.getContext());
    assertEquals(rate.getBaseCurrency(), rate2.getBaseCurrency());
    assertEquals(rate.getFactor(), rate2.getFactor());
}

Example 3 with ExchangeRate

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

the class ECBAbstractRateProvider method createExchangeRate.

private ExchangeRate createExchangeRate(ConversionQuery query, ExchangeRateBuilder builder, ExchangeRate sourceRate, ExchangeRate target) {
    if (areBothBaseCurrencies(query)) {
        builder.setFactor(DefaultNumberValue.ONE);
        return builder.build();
    } else if (BASE_CURRENCY_CODE.equals(query.getCurrency().getCurrencyCode())) {
        if (Objects.isNull(sourceRate)) {
            return null;
        }
        return reverse(sourceRate);
    } else if (BASE_CURRENCY_CODE.equals(query.getBaseCurrency().getCurrencyCode())) {
        return target;
    } else {
        ExchangeRate rate1 = getExchangeRate(query.toBuilder().setTermCurrency(Monetary.getCurrency(BASE_CURRENCY_CODE)).build());
        ExchangeRate rate2 = getExchangeRate(query.toBuilder().setBaseCurrency(Monetary.getCurrency(BASE_CURRENCY_CODE)).setTermCurrency(query.getCurrency()).build());
        if (Objects.nonNull(rate1) && Objects.nonNull(rate2)) {
            builder.setFactor(multiply(rate1.getFactor(), rate2.getFactor()));
            builder.setRateChain(rate1, rate2);
            return builder.build();
        }
        throw new CurrencyConversionException(query.getBaseCurrency(), query.getCurrency(), sourceRate.getContext());
    }
}

Example 4 with ExchangeRate

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

the class ECBRateReadingHandler method addRate.

/**
 * Method to add a currency exchange rate.
 *
 * @param term      the term (target) currency, mapped from EUR.
 * @param rate      The rate.
 */
void addRate(CurrencyUnit term, LocalDate localDate, Number rate) {
    RateType rateType = RateType.HISTORIC;
    ExchangeRateBuilder builder;
    if (Objects.nonNull(localDate)) {
        // TODO check/test!
        if (localDate.equals(LocalDate.now())) {
            rateType = RateType.DEFERRED;
        }
        builder = new ExchangeRateBuilder(ConversionContextBuilder.create(context, rateType).set(localDate).build());
    } else {
        builder = new ExchangeRateBuilder(ConversionContextBuilder.create(context, rateType).build());
    }
    builder.setBase(ECBHistoricRateProvider.BASE_CURRENCY);
    builder.setTerm(term);
    builder.setFactor(DefaultNumberValue.of(rate));
    ExchangeRate exchangeRate = builder.build();
    Map<String, ExchangeRate> rateMap = this.historicRates.get(localDate);
    if (Objects.isNull(rateMap)) {
        synchronized (this.historicRates) {
            rateMap = Optional.ofNullable(this.historicRates.get(localDate)).orElse(new ConcurrentHashMap<>());
            this.historicRates.putIfAbsent(localDate, rateMap);
        }
    }
    rateMap.put(term.getCurrencyCode(), exchangeRate);
}

Example 5 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);
}