/// <summary>Archives a Exchange record.</summary>
/// <param name="transaction">Commits or rejects a set of commands as a unit</param>
/// <param name="RowVersion">The version number of this row.</param>
/// <param name="exchangeId">The value for the ExchangeId column.</param>
/// <param name="archive">true to archive the object, false to unarchive it.</param>
public static void Archive(AdoTransaction adoTransaction, SqlTransaction sqlTransaction, long rowVersion, int exchangeId)
{
// Accessor for the Exchange Table.
ServerDataModel.ExchangeDataTable exchangeTable = ServerDataModel.Exchange;
// Rule #1: Make sure the record exists before updating it.
ServerDataModel.ExchangeRow exchangeRow = exchangeTable.FindByExchangeId(exchangeId);
if ((exchangeRow == null))
{
throw new Exception(string.Format("The Exchange table does not have an element identified by {0}", exchangeId));
}
// Rule #2: Optimistic Concurrency Check
if ((exchangeRow.RowVersion != rowVersion))
{
throw new System.Exception("This record is busy. Please try again later.");
}
// Archive the child records.
for (int index = 0; (index < exchangeRow.GetEquityRows().Length); index = (index + 1))
{
ServerDataModel.EquityRow childEquityRow = exchangeRow.GetEquityRows()[index];
Equity.ArchiveChildren(adoTransaction, sqlTransaction, childEquityRow.RowVersion, childEquityRow.EquityId);
}
// Increment the row version
rowVersion = ServerDataModel.RowVersion.Increment();
// Delete the record in the ADO database.
exchangeRow[exchangeTable.RowVersionColumn] = rowVersion;
adoTransaction.DataRows.Add(exchangeRow);
exchangeRow.Delete();
// Archive the record in the SQL database.
SqlCommand sqlCommand = new SqlCommand("update \"Exchange\" set \"IsArchived\" = 1 where \"ExchangeId\"=@exchangeId");
sqlCommand.Connection = sqlTransaction.Connection;
sqlCommand.Transaction = sqlTransaction;
sqlCommand.Parameters.Add(new SqlParameter("@exchangeId", SqlDbType.Int, 0, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Current, exchangeId));
sqlCommand.ExecuteNonQuery();
}
/// <summary>Inserts a Exchange record.</summary>
/// <param name="transaction">Commits or rejects a set of commands as a unit</param>
/// <param name="name">The value for the Name column.</param>
/// <param name="externalId0">The value for the ExternalId0 column.</param>
/// <param name="externalId1">The value for the ExternalId1 column.</param>
/// <param name="externalId2">The value for the ExternalId2 column.</param>
/// <param name="externalId3">The value for the ExternalId3 column.</param>
public static int Insert(AdoTransaction adoTransaction, SqlTransaction sqlTransaction, ref long rowVersion, string name, object externalId0, object externalId1, object externalId2, object externalId3)
{
// Accessor for the Exchange Table.
ServerDataModel.ExchangeDataTable exchangeTable = ServerDataModel.Exchange;
// Apply Defaults
if ((externalId0 == null))
{
externalId0 = System.DBNull.Value;
}
if ((externalId1 == null))
{
externalId1 = System.DBNull.Value;
}
if ((externalId2 == null))
{
externalId2 = System.DBNull.Value;
}
if ((externalId3 == null))
{
externalId3 = System.DBNull.Value;
}
// Increment the row version
rowVersion = ServerDataModel.RowVersion.Increment();
// Insert the record into the ADO database.
ServerDataModel.ExchangeRow exchangeRow = exchangeTable.NewExchangeRow();
exchangeRow[exchangeTable.RowVersionColumn] = rowVersion;
exchangeRow[exchangeTable.NameColumn] = name;
exchangeRow[exchangeTable.ExternalId0Column] = externalId0;
exchangeRow[exchangeTable.ExternalId1Column] = externalId1;
exchangeRow[exchangeTable.ExternalId2Column] = externalId2;
exchangeRow[exchangeTable.ExternalId3Column] = externalId3;
exchangeTable.AddExchangeRow(exchangeRow);
adoTransaction.DataRows.Add(exchangeRow);
// Insert the record into the SQL database.
SqlCommand sqlCommand = new SqlCommand("insert \"Exchange\" (\"rowVersion\",\"ExchangeId\",\"Name\",\"ExternalId0\",\"ExternalId1\",\"" +
"ExternalId2\",\"ExternalId3\") values (@rowVersion,@exchangeId,@name,@externalId0,@" +
"externalId1,@externalId2,@externalId3)");
sqlCommand.Connection = sqlTransaction.Connection;
sqlCommand.Transaction = sqlTransaction;
sqlCommand.Parameters.Add(new SqlParameter("@rowVersion", SqlDbType.BigInt, 0, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Current, rowVersion));
sqlCommand.Parameters.Add(new SqlParameter("@exchangeId", SqlDbType.Int, 0, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Current, exchangeRow[exchangeTable.ExchangeIdColumn]));
sqlCommand.Parameters.Add(new SqlParameter("@name", SqlDbType.NVarChar, 0, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Current, name));
sqlCommand.Parameters.Add(new SqlParameter("@externalId0", SqlDbType.NVarChar, 0, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Current, externalId0));
sqlCommand.Parameters.Add(new SqlParameter("@externalId1", SqlDbType.NVarChar, 0, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Current, externalId1));
sqlCommand.Parameters.Add(new SqlParameter("@externalId2", SqlDbType.NVarChar, 0, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Current, externalId2));
sqlCommand.Parameters.Add(new SqlParameter("@externalId3", SqlDbType.NVarChar, 0, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Current, externalId3));
sqlCommand.ExecuteNonQuery();
// Return Statements
return(exchangeRow.ExchangeId);
}
/// <summary>Loads a Exchange record using Metadata Parameters.</summary>
/// <param name="transaction">Contains the parameters and exceptions for this command.</param>
public static void Load(ParameterList parameters)
{
// Accessor for the Exchange Table.
ServerDataModel.ExchangeDataTable exchangeTable = ServerDataModel.Exchange;
// Extract the parameters from the command batch.
AdoTransaction adoTransaction = parameters["adoTransaction"];
SqlTransaction sqlTransaction = parameters["sqlTransaction"];
object configurationId = parameters["configurationId"].Value;
object externalExchangeId = parameters["exchangeId"].Value;
string name = parameters["name"];
object externalId0 = parameters["externalId0"].Value;
object externalId1 = parameters["externalId1"].Value;
object externalId2 = parameters["externalId2"].Value;
object externalId3 = parameters["externalId3"].Value;
// The row versioning is largely disabled for external operations. The value is returned to the caller in the
// event it's needed for operations within the batch.
long rowVersion = long.MinValue;
// Resolve External Identifiers
int exchangeId = Exchange.FindKey(configurationId, "exchangeId", externalExchangeId);
// The load operation will create a record if it doesn't exist, or update an existing record. The external
// identifier is used to determine if a record exists with the same key.
if ((exchangeId == int.MinValue))
{
// Populate the 'externalId' varaibles so that the external identifier can be used to find the row when an
// external method is called with the same 'configurationId' parameter.
int externalKeyIndex = Exchange.GetExternalKeyIndex(configurationId, "exchangeId");
object[] externalIdArray = new object[4];
externalIdArray[externalKeyIndex] = externalExchangeId;
externalId0 = externalIdArray[0];
externalId1 = externalIdArray[1];
externalId2 = externalIdArray[2];
externalId3 = externalIdArray[3];
// Call the internal method to complete the operation.
MarkThree.Quasar.Core.Exchange.Insert(adoTransaction, sqlTransaction, ref rowVersion, name, externalId0, externalId1, externalId2, externalId3);
}
else
{
// While the optimistic concurrency checking is disabled for the external methods, the internal methods
// still need to perform the check. This ncurrency checking logic by finding the current row version to be
// will bypass the coused when the internal method is called.
ServerDataModel.ExchangeRow exchangeRow = exchangeTable.FindByExchangeId(exchangeId);
rowVersion = ((long)(exchangeRow[exchangeTable.RowVersionColumn]));
// Call the internal method to complete the operation.
MarkThree.Quasar.Core.Exchange.Update(adoTransaction, sqlTransaction, ref rowVersion, exchangeId, name, externalId0, externalId1, externalId2, externalId3);
}
// Return values.
parameters["rowVersion"] = rowVersion;
}
/// <summary>Initializes the static elements of an Object.</summary>
static Exchange()
{
// The table must be locked before the indices can be read into an accelerator array.
ServerDataModel.ExchangeLock.AcquireReaderLock(System.Threading.Timeout.Infinite);
// Accessor for the Exchange Table.
ServerDataModel.ExchangeDataTable exchangeTable = ServerDataModel.Exchange;
// This does an indirect lookup operation using the views created for the ExternalId columns. Take the index of the user
// identifier column calcualted above and use it to find a record containing the external identifier.
Exchange.externalKeyArray = new DataView[] {
exchangeTable.UKExchangeExternalId0,
exchangeTable.UKExchangeExternalId1,
exchangeTable.UKExchangeExternalId2,
exchangeTable.UKExchangeExternalId3};
// The table must be released after the array is constructed.
ServerDataModel.ExchangeLock.ReleaseReaderLock();
}
/// <summary>Finds a a Exchange record using a configuration and an external identifier.</summary>
/// <param name="configurationId">Specified which mappings (user id columns) to use when looking up external identifiers.</param>
/// <param name="parameterId">The name of the parameter as specified in the configuration table.</param>
/// <param name="externalId">The external (user supplied) identifier for the record.</param>
public static int FindKey(object configurationId, string parameterId, object externalId)
{
// A missing key will never match a column.
if ((externalId == null))
{
return int.MinValue;
}
// Accessor for the Exchange Table.
ServerDataModel.ExchangeDataTable exchangeTable = ServerDataModel.Exchange;
// Look for the record using the external identifier. The configuration selected the key to use, which effectively
// selected the external id column to use for the search. If a record is found in the view, a translation still needs
// to be made back to the original table before an index to the record can be returned to the caller.
int externalKeyIndex = Exchange.GetExternalKeyIndex(configurationId, parameterId);
System.Data.DataView externalKeyView = Exchange.externalKeyArray[externalKeyIndex];
int recordIndex = externalKeyView.Find(new object[] {
externalId});
if ((recordIndex == -1))
{
return int.MinValue;
}
return ((int)(externalKeyView[recordIndex].Row[exchangeTable.ExchangeIdColumn]));
}
/// <summary>Archives a Exchange record using Metadata Parameters.</summary>
/// <param name="transaction">Contains the parameters and exceptions for this command.</param>
public static void Archive(ParameterList parameters)
{
// Accessor for the Exchange Table.
ServerDataModel.ExchangeDataTable exchangeTable = ServerDataModel.Exchange;
// Extract the parameters from the command batch.
AdoTransaction adoTransaction = parameters["adoTransaction"];
SqlTransaction sqlTransaction = parameters["sqlTransaction"];
object configurationId = parameters["configurationId"].Value;
string externalExchangeId = parameters["exchangeId"];
// The row versioning is largely disabled for external operations.
long rowVersion = long.MinValue;
// Find the internal identifier using the primar key elements.
// identifier is used to determine if a record exists with the same key.
int exchangeId = Exchange.FindRequiredKey(configurationId, "exchangeId", externalExchangeId);
// While the optimistic concurrency checking is disabled for the external methods, the internal methods
// still need to perform the check. This ncurrency checking logic by finding the current row version to be
// will bypass the coused when the internal method is called.
ServerDataModel.ExchangeRow exchangeRow = exchangeTable.FindByExchangeId(exchangeId);
rowVersion = ((long)(exchangeRow[exchangeTable.RowVersionColumn]));
// Call the internal method to complete the operation.
MarkThree.Quasar.Core.Exchange.Archive(adoTransaction, sqlTransaction, rowVersion, exchangeId);
}
/// <summary>Updates a Exchange record using Metadata Parameters.</summary>
/// <param name="transaction">Contains the parameters and exceptions for this command.</param>
public static void Update(ParameterList parameters)
{
// Accessor for the Exchange Table.
ServerDataModel.ExchangeDataTable exchangeTable = ServerDataModel.Exchange;
// Extract the parameters from the command batch.
AdoTransaction adoTransaction = parameters["adoTransaction"];
SqlTransaction sqlTransaction = parameters["sqlTransaction"];
object configurationId = parameters["configurationId"].Value;
string externalExchangeId = ((string)(parameters["exchangeId"]));
object name = parameters["name"].Value;
// The row versioning is largely disabled for external operations.
long rowVersion = long.MinValue;
// Resolve External Identifiers
int exchangeId = Exchange.FindRequiredKey(configurationId, "exchangeId", externalExchangeId);
// While the optimistic concurrency checking is disabled for the external methods, the internal methods
// still need to perform the check. This ncurrency checking logic by finding the current row version to be
// will bypass the coused when the internal method is called.
ServerDataModel.ExchangeRow exchangeRow = exchangeTable.FindByExchangeId(exchangeId);
rowVersion = ((long)(exchangeRow[exchangeTable.RowVersionColumn]));
// Call the internal method to complete the operation.
MarkThree.Quasar.Core.Exchange.Update(adoTransaction, sqlTransaction, ref rowVersion, exchangeId, name, null, null, null, null);
// Return values.
parameters["rowVersion"] = rowVersion;
}
/// <summary>Updates a Exchange record.</summary>
/// <param name="transaction">Commits or rejects a set of commands as a unit</param>
/// <param name="rowVersion">The version number of the row</param>
/// <param name="exchangeId">The value for the ExchangeId column.</param>
/// <param name="name">The value for the Name column.</param>
/// <param name="externalId0">The value for the ExternalId0 column.</param>
/// <param name="externalId1">The value for the ExternalId1 column.</param>
/// <param name="externalId2">The value for the ExternalId2 column.</param>
/// <param name="externalId3">The value for the ExternalId3 column.</param>
public static void Update(AdoTransaction adoTransaction, SqlTransaction sqlTransaction, ref long rowVersion, int exchangeId, object name, object externalId0, object externalId1, object externalId2, object externalId3)
{
// Accessor for the Exchange Table.
ServerDataModel.ExchangeDataTable exchangeTable = ServerDataModel.Exchange;
// Rule #1: Make sure the record exists before updating it.
ServerDataModel.ExchangeRow exchangeRow = exchangeTable.FindByExchangeId(exchangeId);
if ((exchangeRow == null))
{
throw new Exception(string.Format("The Exchange table does not have an element identified by {0}", exchangeId));
}
// Rule #2: Optimistic Concurrency Check
if ((exchangeRow.RowVersion != rowVersion))
{
throw new System.Exception("This record is busy. Please try again later.");
}
// Apply Defaults
if ((name == null))
{
name = exchangeRow[exchangeTable.NameColumn];
}
if ((externalId0 == null))
{
externalId0 = exchangeRow[exchangeTable.ExternalId0Column];
}
if ((externalId1 == null))
{
externalId1 = exchangeRow[exchangeTable.ExternalId1Column];
}
if ((externalId2 == null))
{
externalId2 = exchangeRow[exchangeTable.ExternalId2Column];
}
if ((externalId3 == null))
{
externalId3 = exchangeRow[exchangeTable.ExternalId3Column];
}
// Increment the row version
rowVersion = ServerDataModel.RowVersion.Increment();
// Update the record in the ADO database.
exchangeRow[exchangeTable.RowVersionColumn] = rowVersion;
exchangeRow[exchangeTable.NameColumn] = name;
exchangeRow[exchangeTable.ExternalId0Column] = externalId0;
exchangeRow[exchangeTable.ExternalId1Column] = externalId1;
exchangeRow[exchangeTable.ExternalId2Column] = externalId2;
exchangeRow[exchangeTable.ExternalId3Column] = externalId3;
adoTransaction.DataRows.Add(exchangeRow);
// Update the record in the SQL database.
SqlCommand sqlCommand = new SqlCommand("update \"Exchange\" set \"RowVersion\"=@rowVersion,\"Name\"=@name,\"ExternalId0\"=@extern" +
"alId0,\"ExternalId1\"=@externalId1,\"ExternalId2\"=@externalId2,\"ExternalId3\"=@exter" +
"nalId3 where \"ExchangeId\"=@exchangeId");
sqlCommand.Connection = sqlTransaction.Connection;
sqlCommand.Transaction = sqlTransaction;
sqlCommand.Parameters.Add(new SqlParameter("@rowVersion", SqlDbType.BigInt, 0, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Current, rowVersion));
sqlCommand.Parameters.Add(new SqlParameter("@exchangeId", SqlDbType.Int, 0, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Current, exchangeId));
sqlCommand.Parameters.Add(new SqlParameter("@name", SqlDbType.NVarChar, 0, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Current, name));
sqlCommand.Parameters.Add(new SqlParameter("@externalId0", SqlDbType.NVarChar, 0, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Current, externalId0));
sqlCommand.Parameters.Add(new SqlParameter("@externalId1", SqlDbType.NVarChar, 0, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Current, externalId1));
sqlCommand.Parameters.Add(new SqlParameter("@externalId2", SqlDbType.NVarChar, 0, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Current, externalId2));
sqlCommand.Parameters.Add(new SqlParameter("@externalId3", SqlDbType.NVarChar, 0, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Current, externalId3));
// Update the record in the SQL database.
sqlCommand.ExecuteNonQuery();
}