/**
* Adds a tax lot line to a transaction line but first it negates the units and cost.
*
* @param transactionLine
* @param taxLotLine
*/
private void addTaxLotLine(
EndowmentTransactionLine transactionLine, EndowmentTransactionTaxLotLine taxLotLine) {
// negate units and cost
taxLotLine.setLotUnits(taxLotLine.getLotUnits().negate());
taxLotLine.setLotHoldingCost(taxLotLine.getLotHoldingCost().negate());
// add the tax lot line to the transaction line
transactionLine.getTaxLotLines().add(taxLotLine);
}
/**
* 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()));
}
}
/**
* Updates the tax lots for the transaction line in the case the accounting method is FIFO or
* LIFO.
*
* @param isSubTypeCash
* @param isFIFO
* @param endowmentTransactionSecurity
* @param transLine
*/
private void updateTaxLotsForAccountingMethodFIFOorLIFO(
boolean isSubTypeCash,
boolean isUpdate,
boolean isFIFO,
EndowmentTransactionSecurity endowmentTransactionSecurity,
EndowmentTransactionLine transLine) {
BigDecimal transactionUnits = transLine.getTransactionUnits().bigDecimalValue();
BigDecimal transactionAmount = BigDecimal.ZERO;
BigDecimal perUnitVal = BigDecimal.ZERO;
List<HoldingTaxLot> holdingTaxLots = new ArrayList<HoldingTaxLot>();
if (!isUpdate) {
transLine.getTaxLotLines().clear();
holdingTaxLots =
taxLotService.getAllTaxLotsOrderByAcquiredDate(
transLine.getKemid(),
endowmentTransactionSecurity.getSecurityID(),
endowmentTransactionSecurity.getRegistrationCode(),
transLine.getTransactionIPIndicatorCode(),
isFIFO);
} else {
List<EndowmentTransactionTaxLotLine> existingTransactionLines = transLine.getTaxLotLines();
for (EndowmentTransactionTaxLotLine endowmentTransactionTaxLotLine :
existingTransactionLines) {
HoldingTaxLot holdingTaxLot =
taxLotService.getByPrimaryKey(
transLine.getKemid(),
endowmentTransactionSecurity.getSecurityID(),
endowmentTransactionSecurity.getRegistrationCode(),
endowmentTransactionTaxLotLine.getTransactionHoldingLotNumber(),
transLine.getTransactionIPIndicatorCode());
if (ObjectUtils.isNotNull(holdingTaxLot)) {
holdingTaxLots.add(holdingTaxLot);
}
}
transLine.getTaxLotLines().clear();
}
Map<KualiInteger, EndowmentTransactionTaxLotLine> decreaseHoldingTaxLots =
new HashMap<KualiInteger, EndowmentTransactionTaxLotLine>();
if (isSubTypeCash) {
transactionAmount = transLine.getTransactionAmount().bigDecimalValue();
// 1. Compute per unit value
perUnitVal = KEMCalculationRoundingHelper.divide(transactionAmount, transactionUnits, 5);
}
BigDecimal remainingUnits = transactionUnits;
if (holdingTaxLots != null && holdingTaxLots.size() > 0) {
// compute the total number of units for tax lots
for (HoldingTaxLot holdingTaxLot : holdingTaxLots) {
EndowmentTransactionTaxLotLine taxLotLine = new EndowmentTransactionTaxLotLine();
taxLotLine.setDocumentLineNumber(transLine.getTransactionLineNumber());
// 2. Set the lot units
// if transaction units is greater than the holding tax lot units then take all the holding
// tax lot units
if (remainingUnits.compareTo(holdingTaxLot.getUnits()) == 1) {
taxLotLine.setLotUnits(holdingTaxLot.getUnits());
remainingUnits = remainingUnits.subtract(holdingTaxLot.getUnits());
}
// if transaction units is less than the holding tax lot units then take just the remaining
// number of units
else {
taxLotLine.setLotUnits(remainingUnits);
remainingUnits = BigDecimal.ZERO;
}
// 4. Calculate the original unit value: cost/units
BigDecimal originalUnitVal =
KEMCalculationRoundingHelper.divide(
holdingTaxLot.getCost(), holdingTaxLot.getUnits(), 5);
// 5. Calculate original cost
BigDecimal originalCost =
KEMCalculationRoundingHelper.multiply(originalUnitVal, taxLotLine.getLotUnits(), 2);
// set the tax lot holding cost
taxLotLine.setLotHoldingCost(originalCost);
// if sub type cash then the
if (isSubTypeCash) {
// 3. Calculate the value received for the units sold and round to 2 decimals
BigDecimal receivedValue =
KEMCalculationRoundingHelper.multiply(perUnitVal, taxLotLine.getLotUnits(), 2);
// 6. Calculate the gain or loss
calculateGainLoss(holdingTaxLot, taxLotLine, receivedValue, originalCost);
}
// set the lot number
taxLotLine.setTransactionHoldingLotNumber(holdingTaxLot.getLotNumber().intValue());
taxLotLine.setKemid(transLine.getKemid());
taxLotLine.setSecurityID(holdingTaxLot.getSecurityId());
taxLotLine.setRegistrationCode(holdingTaxLot.getRegistrationCode());
taxLotLine.setIpIndicator(holdingTaxLot.getIncomePrincipalIndicator());
// set the lot acquired date
taxLotLine.setLotAcquiredDate(holdingTaxLot.getAcquiredDate());
addTaxLotLine(transLine, taxLotLine);
if (remainingUnits.compareTo(BigDecimal.ZERO) == 0) {
break;
}
}
}
}
/**
* Updates the tax lots for the transaction line in the case the transaction sub type is non-cash
* and the user entered the transaction amount. This method is specific to the Asset Decrease
* document.
*
* @param isSubTypeCash
* @param endowmentTransactionSecurity
* @param transLine
*/
private void updateTaxLotsForSubTypeNonCashAndTransAmtNonZero(
boolean isUpdate,
EndowmentTransactionSecurity endowmentTransactionSecurity,
EndowmentTransactionLine transLine) {
BigDecimal transactionUnits = transLine.getTransactionUnits().bigDecimalValue();
BigDecimal totalTaxLotsUnits = BigDecimal.ZERO;
BigDecimal transactionAmount = transLine.getTransactionAmount().bigDecimalValue();
BigDecimal perUnitValue = BigDecimal.ZERO;
List<HoldingTaxLot> holdingTaxLots = new ArrayList<HoldingTaxLot>();
Map<Integer, HoldingTaxLot> lotsMap = new HashMap<Integer, HoldingTaxLot>();
if (!isUpdate) {
transLine.getTaxLotLines().clear();
holdingTaxLots =
taxLotService.getAllTaxLots(
transLine.getKemid(),
endowmentTransactionSecurity.getSecurityID(),
endowmentTransactionSecurity.getRegistrationCode(),
transLine.getTransactionIPIndicatorCode());
} else {
List<EndowmentTransactionTaxLotLine> existingTransactionLines = transLine.getTaxLotLines();
for (EndowmentTransactionTaxLotLine endowmentTransactionTaxLotLine :
existingTransactionLines) {
HoldingTaxLot holdingTaxLot =
taxLotService.getByPrimaryKey(
transLine.getKemid(),
endowmentTransactionSecurity.getSecurityID(),
endowmentTransactionSecurity.getRegistrationCode(),
endowmentTransactionTaxLotLine.getTransactionHoldingLotNumber(),
transLine.getTransactionIPIndicatorCode());
if (ObjectUtils.isNotNull(holdingTaxLot)) {
holdingTaxLots.add(holdingTaxLot);
}
}
transLine.getTaxLotLines().clear();
}
Map<KualiInteger, EndowmentTransactionTaxLotLine> decreaseHoldingTaxLots =
new HashMap<KualiInteger, EndowmentTransactionTaxLotLine>();
if (holdingTaxLots != null && holdingTaxLots.size() > 0) {
boolean keepIntegers = true;
// compute the total number of units for tax lots
for (HoldingTaxLot holdingTaxLot : holdingTaxLots) {
totalTaxLotsUnits = totalTaxLotsUnits.add(holdingTaxLot.getUnits());
// 3. Calculate the number of units to be transacted in each lot
// check if percentage and tax lot units are integers
BigDecimal lotUnits = BigDecimal.ZERO;
try {
int lotUnitsInt = holdingTaxLot.getUnits().intValueExact();
} catch (ArithmeticException ex) {
keepIntegers = false;
}
}
for (HoldingTaxLot holdingTaxLot : holdingTaxLots) {
EndowmentTransactionTaxLotLine taxLotLine = new EndowmentTransactionTaxLotLine();
taxLotLine.setDocumentLineNumber(transLine.getTransactionLineNumber());
BigDecimal lotUnits = BigDecimal.ZERO;
// 2. Calculate percentage each lot holds out of the total units
BigDecimal percentage =
KEMCalculationRoundingHelper.divide(holdingTaxLot.getUnits(), totalTaxLotsUnits, 5);
lotUnits =
KEMCalculationRoundingHelper.multiply(
percentage, transLine.getTransactionUnits().bigDecimalValue(), 5);
// IF all original units per lot are integers (no decimal values), the result is rounded to
// the nearest
// integer and stored with the five decimals as zero. If the original units are not all
// integers, then the
// value is rounded to five decimals and stored as the five decimal values.
if (keepIntegers) {
lotUnits = lotUnits.setScale(0, BigDecimal.ROUND_HALF_UP);
lotUnits = lotUnits.setScale(5);
}
taxLotLine.setLotUnits(lotUnits);
// 6. Calculate holding cost
BigDecimal holdingCost =
KEMCalculationRoundingHelper.multiply(percentage, transactionAmount, 2);
taxLotLine.setLotHoldingCost(holdingCost);
// set tax lot line lot number and acquired date
taxLotLine.setTransactionHoldingLotNumber(holdingTaxLot.getLotNumber().intValue());
taxLotLine.setKemid(transLine.getKemid());
taxLotLine.setSecurityID(holdingTaxLot.getSecurityId());
taxLotLine.setRegistrationCode(holdingTaxLot.getRegistrationCode());
taxLotLine.setIpIndicator(holdingTaxLot.getIncomePrincipalIndicator());
taxLotLine.setLotAcquiredDate(holdingTaxLot.getAcquiredDate());
// set the new lot indicator
taxLotLine.setNewLotIndicator(false);
// add the new tax lot line to the transaction line tax lots
addTaxLotLine(transLine, taxLotLine);
lotsMap.put(taxLotLine.getTransactionHoldingLotNumber(), holdingTaxLot);
}
adjustUnitsAndAmountsForNonCashAndTransactionAmtNotZero(transLine);
}
}
/**
* 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());
}
}
}