/**
* Adjusts the number of units and the amounts if the total is different from the transaction line
* units. The correction will be done on the oldest tax lot. This method is specific to the Asset
* Decrease document and is used in updateTaxLotsForSubTypeNonCashAndTransAmtNonZero().
*
* @param transLine
* @param keepIntegers
*/
private void adjustUnitsAndAmountsForNonCashAndTransactionAmtNotZero(
EndowmentTransactionLine transLine) {
// Adjust the number of units if the total is different from the transaction line units
BigDecimal totalComputedTaxLotUnits = BigDecimal.ZERO;
BigDecimal totalComputedCost = BigDecimal.ZERO;
EndowmentTransactionTaxLotLine oldestTaxLotLine = null;
if (transLine.getTaxLotLines() != null && transLine.getTaxLotLines().size() > 0) {
for (EndowmentTransactionTaxLotLine taxLotLine : transLine.getTaxLotLines()) {
BigDecimal lotUnits = taxLotLine.getLotUnits().negate();
// calculate the total number of units to be decreased
totalComputedTaxLotUnits = totalComputedTaxLotUnits.add(lotUnits);
totalComputedCost = totalComputedCost.add(taxLotLine.getLotHoldingCost().negate());
if (taxLotLine.getLotShortTermGainLoss() != null) {
totalComputedCost = totalComputedCost.add(taxLotLine.getLotShortTermGainLoss());
}
if (taxLotLine.getLotLongTermGainLoss() != null) {
totalComputedCost = totalComputedCost.add(taxLotLine.getLotLongTermGainLoss());
}
// keep the tax lot with the oldest acquired date so that we can adjust the units for that
// one in case the
// number of units needs and adjustment
if (oldestTaxLotLine != null) {
if (oldestTaxLotLine.getLotAcquiredDate().after(taxLotLine.getLotAcquiredDate())) {
oldestTaxLotLine = taxLotLine;
}
} else {
oldestTaxLotLine = taxLotLine;
}
}
}
// compare with the negated number of units on the transaction line because the units on the tax
// lots have been negated
if (totalComputedTaxLotUnits.compareTo(
transLine.getTransactionUnits().bigDecimalValue().negate())
!= 0) {
BigDecimal difUnits =
transLine.getTransactionUnits().bigDecimalValue().subtract(totalComputedTaxLotUnits);
oldestTaxLotLine.setLotUnits(oldestTaxLotLine.getLotUnits().add(difUnits.negate()));
BigDecimal difAmount =
transLine.getTransactionAmount().bigDecimalValue().subtract(totalComputedCost);
oldestTaxLotLine.setLotHoldingCost(
oldestTaxLotLine.getLotHoldingCost().add(difAmount.negate()));
}
}
/**
* Adjusts the number of units if the total is different from the transaction line units.
*
* @param lotsMap
* @param transLine
* @param keepIntegers
* @param isSubTypeCash
* @param perUnitValue
*/
private void adjustUnitsNumberAndAmountsForAverageBalance(
Map<Integer, HoldingTaxLot> lotsMap,
EndowmentTransactionLine transLine,
boolean keepIntegers,
boolean isSubTypeCash,
BigDecimal perUnitValue) {
// Adjust the number of units if the total is different from the transaction line units
BigDecimal totalComputedTaxLotUnits = BigDecimal.ZERO;
BigDecimal totalComputedCost = BigDecimal.ZERO;
EndowmentTransactionTaxLotLine oldestTaxLotLine = null;
if (transLine.getTaxLotLines() != null && transLine.getTaxLotLines().size() > 0) {
for (EndowmentTransactionTaxLotLine taxLotLine : transLine.getTaxLotLines()) {
BigDecimal lotUnits = taxLotLine.getLotUnits().negate();
// calculate the total number of units to be decreased
totalComputedTaxLotUnits = totalComputedTaxLotUnits.add(lotUnits);
totalComputedCost = totalComputedCost.add(taxLotLine.getLotHoldingCost().negate());
if (taxLotLine.getLotShortTermGainLoss() != null) {
totalComputedCost = totalComputedCost.add(taxLotLine.getLotShortTermGainLoss());
}
if (taxLotLine.getLotLongTermGainLoss() != null) {
totalComputedCost = totalComputedCost.add(taxLotLine.getLotLongTermGainLoss());
}
// keep the tax lot with the oldest acquired date so that we can adjust the units for that
// one in case the
// number of units needs and adjustment
if (oldestTaxLotLine != null) {
if (oldestTaxLotLine.getLotAcquiredDate().after(taxLotLine.getLotAcquiredDate())) {
oldestTaxLotLine = taxLotLine;
}
} else {
oldestTaxLotLine = taxLotLine;
}
}
}
// compare with the negated number of units on the transaction line because the units on the tax
// lots have been negated
if (totalComputedTaxLotUnits.compareTo(
transLine.getTransactionUnits().bigDecimalValue().negate())
!= 0) {
BigDecimal difUnits =
transLine.getTransactionUnits().bigDecimalValue().subtract(totalComputedTaxLotUnits);
oldestTaxLotLine.setLotUnits(oldestTaxLotLine.getLotUnits().add(difUnits.negate()));
oldestTaxLotLine.setLotUnits(oldestTaxLotLine.getLotUnits().negate());
if (isSubTypeCash) {
// update totalComputedCost
totalComputedCost =
totalComputedCost.subtract(oldestTaxLotLine.getLotHoldingCost().negate());
if (oldestTaxLotLine.getLotShortTermGainLoss() != null) {
totalComputedCost =
totalComputedCost.subtract(oldestTaxLotLine.getLotShortTermGainLoss());
}
if (oldestTaxLotLine.getLotLongTermGainLoss() != null) {
totalComputedCost = totalComputedCost.subtract(oldestTaxLotLine.getLotLongTermGainLoss());
}
}
HoldingTaxLot holdingTaxLot = lotsMap.get(oldestTaxLotLine.getTransactionHoldingLotNumber());
BigDecimal originalUnitValue =
KEMCalculationRoundingHelper.divide(holdingTaxLot.getCost(), holdingTaxLot.getUnits(), 5);
BigDecimal originalCost =
KEMCalculationRoundingHelper.multiply(
oldestTaxLotLine.getLotUnits(), originalUnitValue, 2);
oldestTaxLotLine.setLotHoldingCost(originalCost);
if (isSubTypeCash) {
// 4. Calculate the value received for units sold in each tax lot
BigDecimal valueReceived =
KEMCalculationRoundingHelper.multiply(oldestTaxLotLine.getLotUnits(), perUnitValue, 2);
// 7. Calculate Gain or loss
calculateGainLoss(holdingTaxLot, oldestTaxLotLine, valueReceived, originalCost);
// update totalComputedCost
totalComputedCost = totalComputedCost.add(oldestTaxLotLine.getLotHoldingCost());
if (oldestTaxLotLine.getLotShortTermGainLoss() != null) {
totalComputedCost = totalComputedCost.add(oldestTaxLotLine.getLotShortTermGainLoss());
}
if (oldestTaxLotLine.getLotLongTermGainLoss() != null) {
totalComputedCost = totalComputedCost.add(oldestTaxLotLine.getLotLongTermGainLoss());
}
}
oldestTaxLotLine.setLotHoldingCost(oldestTaxLotLine.getLotHoldingCost().negate());
oldestTaxLotLine.setLotUnits(oldestTaxLotLine.getLotUnits().negate());
}
if (isSubTypeCash) {
// compare total computed cost with the transaction line amount
if (totalComputedCost.compareTo(transLine.getTransactionUnits().bigDecimalValue()) != 0) {
BigDecimal difAmount =
transLine.getTransactionAmount().bigDecimalValue().subtract(totalComputedCost);
oldestTaxLotLine.setLotHoldingCost(
oldestTaxLotLine.getLotHoldingCost().negate().add(difAmount));
oldestTaxLotLine.setLotHoldingCost(oldestTaxLotLine.getLotHoldingCost().negate());
}
}
}