@Override protected Object propertyGet(Bean bean, String propertyName, boolean quiet) { switch (propertyName.hashCode()) { case -879772901: // amounts return ((CurrencyScenarioArray) bean).getAmounts(); } return super.propertyGet(bean, propertyName, quiet); }
/** * Returns a collector which creates a multi currency scenario array by combining a stream of * currency scenario arrays. * <p> * The arrays in the stream must all have the same length. * * @return the collector */ public static Collector<CurrencyScenarioArray, ?, MultiCurrencyScenarioArray> toMultiCurrencyScenarioArray() { return Collector.<CurrencyScenarioArray, Map<Currency, CurrencyAmountArray>, MultiCurrencyScenarioArray>of( // accumulate into a map HashMap::new, (map, ca) -> map.merge(ca.getCurrency(), ca.getAmounts(), CurrencyAmountArray::plus), // combine two maps (map1, map2) -> { map2.values().forEach((ca2) -> map1.merge(ca2.getCurrency(), ca2, CurrencyAmountArray::plus)); return map1; }, // convert to MultiCurrencyScenarioArray map -> { Map<Currency, DoubleArray> currencyArrayMap = MapStream.of(map).mapValues(caa -> caa.getValues()).toMap(); return MultiCurrencyScenarioArray.of(currencyArrayMap); }, UNORDERED); }
public void create() { DoubleArray values = DoubleArray.of(1, 2, 3); CurrencyScenarioArray test = CurrencyScenarioArray.of(GBP, values); assertThat(test.getCurrency()).isEqualTo(GBP); assertThat(test.getAmounts().getValues()).isEqualTo(values); assertThat(test.getScenarioCount()).isEqualTo(3); assertThat(test.get(0)).isEqualTo(CurrencyAmount.of(GBP, 1)); assertThat(test.get(1)).isEqualTo(CurrencyAmount.of(GBP, 2)); assertThat(test.get(2)).isEqualTo(CurrencyAmount.of(GBP, 3)); assertThat(test.stream().collect(toList())).containsExactly( CurrencyAmount.of(GBP, 1), CurrencyAmount.of(GBP, 2), CurrencyAmount.of(GBP, 3)); }
public void create_fromFunction() { List<CurrencyAmount> values = ImmutableList.of( CurrencyAmount.of(GBP, 1), CurrencyAmount.of(GBP, 2), CurrencyAmount.of(GBP, 3)); CurrencyScenarioArray test = CurrencyScenarioArray.of(3, i -> values.get(i)); assertThat(test.getCurrency()).isEqualTo(GBP); assertThat(test.getAmounts().getValues()).isEqualTo(DoubleArray.of(1d, 2d, 3d)); assertThat(test.getScenarioCount()).isEqualTo(3); assertThat(test.get(0)).isEqualTo(CurrencyAmount.of(GBP, 1)); assertThat(test.get(1)).isEqualTo(CurrencyAmount.of(GBP, 2)); assertThat(test.get(2)).isEqualTo(CurrencyAmount.of(GBP, 3)); assertThat(test.stream().collect(toList())).containsExactly( CurrencyAmount.of(GBP, 1), CurrencyAmount.of(GBP, 2), CurrencyAmount.of(GBP, 3)); }
public void create_fromList() { List<CurrencyAmount> values = ImmutableList.of( CurrencyAmount.of(GBP, 1), CurrencyAmount.of(GBP, 2), CurrencyAmount.of(GBP, 3)); CurrencyScenarioArray test = CurrencyScenarioArray.of(values); assertThat(test.getCurrency()).isEqualTo(GBP); assertThat(test.getAmounts().getValues()).isEqualTo(DoubleArray.of(1d, 2d, 3d)); assertThat(test.getScenarioCount()).isEqualTo(3); assertThat(test.get(0)).isEqualTo(CurrencyAmount.of(GBP, 1)); assertThat(test.get(1)).isEqualTo(CurrencyAmount.of(GBP, 2)); assertThat(test.get(2)).isEqualTo(CurrencyAmount.of(GBP, 3)); assertThat(test.stream().collect(toList())).containsExactly( CurrencyAmount.of(GBP, 1), CurrencyAmount.of(GBP, 2), CurrencyAmount.of(GBP, 3)); }
public void convert() { FxRateScenarioArray rates1 = FxRateScenarioArray.of(GBP, CAD, DoubleArray.of(2.00, 2.01, 2.02)); FxRateScenarioArray rates2 = FxRateScenarioArray.of(USD, CAD, DoubleArray.of(1.30, 1.31, 1.32)); FxRateScenarioArray rates3 = FxRateScenarioArray.of(EUR, CAD, DoubleArray.of(1.4, 1.4, 1.4)); ScenarioFxRateProvider fxProvider = new TestScenarioFxRateProvider(rates1, rates2, rates3); CurrencyScenarioArray convertedArray = VALUES_ARRAY.convertedTo(Currency.CAD, fxProvider); DoubleArray expected = DoubleArray.of( 20 * 2.00 + 30 * 1.30 + 40 * 1.4, 21 * 2.01 + 32 * 1.31 + 43 * 1.4, 22 * 2.02 + 33 * 1.32 + 44 * 1.4); assertThat(convertedArray.getAmounts().getValues()).isEqualTo(expected); }