/// <summary>
/// Delete a debt holder
/// </summary>
/// <returns>True for sucess</returns>
public override ErrorCode Delete(ConsumerTrust record)
{
DataModel dataModel = new DataModel();
DataModelTransaction transaction = DataModelTransaction.Current;
if (record.RowId == null || DataModel.ConsumerTrust.ConsumerTrustKey.Find(record.RowId) == null)
{
return(ErrorCode.RecordNotFound);
}
ConsumerTrustRow consumerTrust = DataModel.ConsumerTrust.ConsumerTrustKey.Find(record.RowId);
consumerTrust.AcquireReaderLock(transaction);
Guid debtId = consumerTrust.ConsumerTrustId;
ConsumerRow consumer = consumerTrust.ConsumerRow;
DebtRuleRow debtRule = consumerTrust.DebtRuleRow;
consumerTrust.ReleaseReaderLock(transaction.TransactionId);
#if false // If we switch from explicitly deleting the working order to explicitly deleting the security, then we need this.
if (!TradingSupport.HasAccess(transaction, debtId, AccessRight.Write))
{
return(ErrorCode.AccessDenied);
}
#endif
consumerTrust.AcquireWriterLock(transaction);
if (consumerTrust.RowState != DataRowState.Deleted && consumerTrust.RowState != DataRowState.Detached)
{
dataModel.DestroyConsumerTrust(new object[] { consumerTrust.ConsumerTrustId }, record.RowVersion);
}
consumerTrust.ReleaseWriterLock(transaction.TransactionId);
consumer.AcquireWriterLock(transaction);
if (consumer.RowState != DataRowState.Deleted && consumer.RowState != DataRowState.Detached)
{
dataModel.DestroyConsumer(new object[] { consumer.ConsumerId }, consumer.RowVersion);
}
consumer.ReleaseWriterLock(transaction.TransactionId);
if (debtRule != null)
{
debtRule.AcquireReaderLock(transaction);
if (debtRule.RowState != DataRowState.Deleted && debtRule.RowState != DataRowState.Detached && debtRule.GetDebtRuleMapRows().Length == 0)
{
DebtRulePersistence debtRulePersistence = new DebtRulePersistence();
Guid debtRuleId = debtRule.DebtRuleId;
long rowVersion = debtRule.RowVersion;
debtRule.ReleaseReaderLock(transaction.TransactionId);
debtRulePersistence.Delete(new Records.DebtRule {
RowId = debtRuleId, RowVersion = rowVersion
});
}
else
{
debtRule.ReleaseReaderLock(transaction.TransactionId);
}
}
return(ErrorCode.Success);
}
/// <summary>
/// Delete a WorkingOrderRow.
/// </summary>
/// <param name="dataModel">The data model.</param>
/// <param name="transaction">The current transaction.</param>
/// <param name="workingOrderRow">The working order row to delete.</param>
/// <returns>Error code of any failure, or Success.</returns>
public ErrorCode DeleteRow(DataModel dataModel, DataModelTransaction transaction, WorkingOrderRow workingOrderRow)
{
SecurityRow securityRow = null;
EntityRow securityEntityRow = null;
MatchRow[] matchRows;
ConsumerDebtRow[] consumerDebtRows;
ConsumerTrustRow[] consumerTrustRows;
CreditCardRow creditCardRow = null;
ConsumerRow consumerRow = null;
Guid blotterId;
Guid securityEntityId = Guid.Empty;
Int64 securityEntityRowVersion = 0;
Guid consumerId = Guid.Empty;
Int64 consumerRowVersion = 0;
Guid creditCardId = Guid.Empty;
Int64 creditCardRowVersion = 0;
Boolean consumerStillInUse = false;
workingOrderRow.AcquireWriterLock(transaction.TransactionId, DataModel.LockTimeout);
if (workingOrderRow.RowState == DataRowState.Deleted ||
workingOrderRow.RowState == DataRowState.Detached)
{
workingOrderRow.ReleaseLock(transaction.TransactionId);
return(ErrorCode.RecordNotFound);
}
else
{
transaction.AddLock(workingOrderRow);
}
blotterId = workingOrderRow.BlotterId;
securityRow = workingOrderRow.SecurityRowByFK_Security_WorkingOrder_SecurityId;
matchRows = workingOrderRow.GetMatchRows();
if (matchRows != null)
{
foreach (MatchRow matchRow in matchRows)
{
if (IsSettled(transaction, matchRow))
{
return(ErrorCode.RecordExists);
}
}
}
if (!DataModelFilters.HasAccess(transaction, TradingSupport.UserId, blotterId, AccessRight.Write))
{
workingOrderRow.ReleaseLock(transaction.TransactionId);
return(ErrorCode.AccessDenied);
}
securityRow.AcquireWriterLock(transaction.TransactionId, DataModel.LockTimeout);
if (securityRow.RowState == DataRowState.Deleted ||
securityRow.RowState == DataRowState.Detached)
{
workingOrderRow.ReleaseLock(transaction.TransactionId);
securityRow.ReleaseWriterLock(transaction.TransactionId);
return(ErrorCode.RecordNotFound);
}
securityEntityRow = securityRow.EntityRow;
consumerDebtRows = securityRow.GetConsumerDebtRows();
consumerTrustRows = securityRow.GetConsumerTrustRows();
securityRow.ReleaseWriterLock(transaction.TransactionId);
securityEntityRow.AcquireWriterLock(transaction);
if (securityEntityRow.RowState == DataRowState.Deleted ||
securityEntityRow.RowState == DataRowState.Detached)
{
workingOrderRow.ReleaseLock(transaction.TransactionId);
securityEntityRow.ReleaseLock(transaction.TransactionId);
return(ErrorCode.RecordNotFound);
}
securityEntityId = securityEntityRow.EntityId;
securityEntityRowVersion = securityEntityRow.RowVersion;
securityEntityRow.ReleaseLock(transaction.TransactionId);
if (consumerTrustRows.Length > 0 && consumerDebtRows.Length > 0)
{
EventLog.Warning("Deleting a working order associated with both ConsumerDebt and ConsumerTrust rows");
}
else if (consumerDebtRows.Length > 1)
{
EventLog.Warning("Deleting a working order associated with more than one ConsumerDebt row");
}
else if (consumerTrustRows.Length > 1)
{
EventLog.Warning("Deleting a working order associated with more than one ConsumerTrust row");
}
if (consumerDebtRows.Length == 1)
{
ConsumerDebtRow consumerDebtRow = consumerDebtRows[0];
consumerDebtRow.AcquireWriterLock(transaction);
if (consumerDebtRow.RowState == DataRowState.Deleted ||
consumerDebtRow.RowState == DataRowState.Detached)
{
}
else
{
creditCardRow = consumerDebtRow.CreditCardRow;
consumerRow = consumerDebtRow.ConsumerRow;
}
consumerDebtRow.ReleaseLock(transaction.TransactionId);
}
else if (consumerTrustRows.Length == 1)
{
ConsumerTrustRow consumerTrustRow = consumerTrustRows[0];
consumerTrustRow.AcquireWriterLock(transaction);
if (consumerTrustRow.RowState == DataRowState.Deleted ||
consumerTrustRow.RowState == DataRowState.Detached)
{
}
else
{
consumerRow = consumerTrustRow.ConsumerRow;
}
consumerTrustRow.ReleaseLock(transaction.TransactionId);
}
if (consumerRow != null)
{
consumerRow.AcquireWriterLock(transaction);
if (consumerRow.RowState == DataRowState.Deleted ||
consumerRow.RowState == DataRowState.Detached)
{
consumerRow = null;
}
else
{
consumerStillInUse = consumerRow.GetConsumerDebtRows().Length > 1;
consumerId = consumerRow.ConsumerId;
consumerRowVersion = consumerRow.RowVersion;
}
consumerRow.ReleaseLock(transaction.TransactionId);
}
if (creditCardRow != null)
{
creditCardRow.AcquireWriterLock(transaction);
if (creditCardRow.RowState == DataRowState.Deleted ||
creditCardRow.RowState == DataRowState.Detached)
{
creditCardRow = null;
}
else
{
creditCardId = creditCardRow.ConsumerId;
creditCardRowVersion = creditCardRow.RowVersion;
}
creditCardRow.ReleaseLock(transaction.TransactionId);
}
//gonna get the lock on the workingOrder and let the txn commit/rollback get rid of it
//this will basically wrap the delete row
//action in a critical section because the first
//reader lock in the method is on the workingOrder row
//workingOrderRow.AcquireWriterLock(transaction.TransactionId, DataModel.LockTimeout);
if (workingOrderRow.RowState == DataRowState.Deleted ||
workingOrderRow.RowState == DataRowState.Detached)
{
workingOrderRow.ReleaseLock(transaction.TransactionId);
return(ErrorCode.RecordNotFound);
}
//securityRow.AcquireWriterLock(transaction.TransactionId, DataModel.LockTimeout);
//if(securityRow.RowState == DataRowState.Deleted ||
// securityRow.RowState == DataRowState.Detached)
//{
// workingOrderRow.ReleaseLock(transaction.TransactionId);
// return ErrorCode.RecordNotFound;
//}
if (creditCardRow != null && consumerStillInUse)
{
dataModel.DestroyCreditCard(new object[] { creditCardId }, creditCardRowVersion);
}
if (consumerRow != null && !consumerStillInUse)
{
dataModel.DestroyConsumer(new object[] { consumerId }, consumerRowVersion);
}
dataModel.DestroyEntity(new object[] { securityEntityId }, securityEntityRowVersion);
return(ErrorCode.Success);
}
