/// <summary>Loads a Status 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 Status Table.
ServerMarketData.StatusDataTable statusTable = ServerMarketData.Status;
// Extract the parameters from the command batch.
AdoTransaction adoTransaction = parameters["adoTransaction"];
SqlTransaction sqlTransaction = parameters["sqlTransaction"];
object configurationId = parameters["configurationId"].Value;
string description = parameters["description"];
object externalId0 = parameters["externalId0"].Value;
object externalId1 = parameters["externalId1"].Value;
object externalId2 = parameters["externalId2"].Value;
object externalId3 = parameters["externalId3"].Value;
string mnemonic = parameters["mnemonic"];
int statusCode = parameters["statusCode"];
// The row versioning is largely disabled for external operations.
long rowVersion = long.MinValue;
// Find the record using the unique identifier. If it doesn't exist, it will be inserted, if it does exist,
// it will be updated.
ServerMarketData.StatusRow statusRow = statusTable.FindByStatusCode(statusCode);
if ((statusRow == null))
{
// Call the internal 'Insert' method to complete the operation.
MarkThree.Guardian.Core.Status.Insert(adoTransaction, sqlTransaction, ref rowVersion, description, externalId0, externalId1, externalId2, externalId3, mnemonic, statusCode);
}
else
{
// This will bypass the optimistic concurrency checking required by the internal method.
rowVersion = ((long)(statusRow[statusTable.RowVersionColumn]));
// Call the internal 'Update' method to complete the operation.
MarkThree.Guardian.Core.Status.Update(adoTransaction, sqlTransaction, ref rowVersion, description, externalId0, externalId1, externalId2, externalId3, mnemonic, statusCode);
}
// Return values
parameters["rowVersion"] = rowVersion;
}
/// <summary>Archives a Status 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="statusCode">The value for the StatusCode 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 statusCode)
{
// Accessor for the Status Table.
ServerMarketData.StatusDataTable statusTable = ServerMarketData.Status;
// Rule #1: Make sure the record exists before updating it.
ServerMarketData.StatusRow statusRow = statusTable.FindByStatusCode(statusCode);
if ((statusRow == null))
{
throw new Exception(string.Format("The Status table does not have an element identified by {0}", statusCode));
}
// Rule #2: Optimistic Concurrency Check
if ((statusRow.RowVersion != rowVersion))
{
throw new System.Exception("This record is busy. Please try again later.");
}
// Archive the child records.
for (int index = 0; (index < statusRow.GetDestinationOrderRows().Length); index = (index + 1))
{
ServerMarketData.DestinationOrderRow childDestinationOrderRow = statusRow.GetDestinationOrderRows()[index];
DestinationOrder.Archive(adoTransaction, sqlTransaction, childDestinationOrderRow.RowVersion, childDestinationOrderRow.DestinationOrderId);
}
for (int index = 0; (index < statusRow.GetMatchRows().Length); index = (index + 1))
{
ServerMarketData.MatchRow childMatchRow = statusRow.GetMatchRows()[index];
Match.Archive(adoTransaction, sqlTransaction, childMatchRow.RowVersion, childMatchRow.MatchId);
}
for (int index = 0; (index < statusRow.GetNegotiationRows().Length); index = (index + 1))
{
ServerMarketData.NegotiationRow childNegotiationRow = statusRow.GetNegotiationRows()[index];
Negotiation.Archive(adoTransaction, sqlTransaction, childNegotiationRow.RowVersion, childNegotiationRow.NegotiationId);
}
for (int index = 0; (index < statusRow.GetSourceOrderRows().Length); index = (index + 1))
{
ServerMarketData.SourceOrderRow childSourceOrderRow = statusRow.GetSourceOrderRows()[index];
SourceOrder.Archive(adoTransaction, sqlTransaction, childSourceOrderRow.RowVersion, childSourceOrderRow.SourceOrderId);
}
for (int index = 0; (index < statusRow.GetWorkingOrderRows().Length); index = (index + 1))
{
ServerMarketData.WorkingOrderRow childWorkingOrderRow = statusRow.GetWorkingOrderRows()[index];
WorkingOrder.Archive(adoTransaction, sqlTransaction, childWorkingOrderRow.RowVersion, childWorkingOrderRow.WorkingOrderId);
}
// Increment the row version
rowVersion = ServerMarketData.RowVersion.Increment();
// Delete the record in the ADO database.
statusRow[statusTable.RowVersionColumn] = rowVersion;
adoTransaction.DataRows.Add(statusRow);
statusRow.Delete();
// Archive the record in the SQL database.
SqlCommand sqlCommand = new SqlCommand("update \"Status\" set \"IsArchived\" = 1 where \"StatusCode\"=@statusCode");
sqlCommand.Connection = sqlTransaction.Connection;
sqlCommand.Transaction = sqlTransaction;
sqlCommand.Parameters.Add(new SqlParameter("@statusCode", SqlDbType.Int, 0, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Current, statusCode));
sqlCommand.ExecuteNonQuery();
}
/// <summary>Inserts a Status record.</summary>
/// <param name="transaction">Commits or rejects a set of commands as a unit</param>
/// <param name="description">The value for the Description 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>
/// <param name="mnemonic">The value for the Mnemonic column.</param>
/// <param name="statusCode">The value for the StatusCode column.</param>
public static void Insert(AdoTransaction adoTransaction, SqlTransaction sqlTransaction, ref long rowVersion, string description, object externalId0, object externalId1, object externalId2, object externalId3, string mnemonic, int statusCode)
{
// Accessor for the Status Table.
ServerMarketData.StatusDataTable statusTable = ServerMarketData.Status;
// 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 = ServerMarketData.RowVersion.Increment();
// Insert the record into the ADO database.
ServerMarketData.StatusRow statusRow = statusTable.NewStatusRow();
statusRow[statusTable.RowVersionColumn] = rowVersion;
statusRow[statusTable.DescriptionColumn] = description;
statusRow[statusTable.ExternalId0Column] = externalId0;
statusRow[statusTable.ExternalId1Column] = externalId1;
statusRow[statusTable.ExternalId2Column] = externalId2;
statusRow[statusTable.ExternalId3Column] = externalId3;
statusRow[statusTable.MnemonicColumn] = mnemonic;
statusRow[statusTable.StatusCodeColumn] = statusCode;
statusTable.AddStatusRow(statusRow);
adoTransaction.DataRows.Add(statusRow);
// Insert the record into the SQL database.
SqlCommand sqlCommand = new SqlCommand("insert \"Status\" (\"rowVersion\",\"Description\",\"ExternalId0\",\"ExternalId1\",\"External" +
"Id2\",\"ExternalId3\",\"Mnemonic\",\"StatusCode\") values (@rowVersion,@description,@ex" +
"ternalId0,@externalId1,@externalId2,@externalId3,@mnemonic,@statusCode)");
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("@description", SqlDbType.NVarChar, 0, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Current, description));
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.Parameters.Add(new SqlParameter("@mnemonic", SqlDbType.NVarChar, 0, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Current, mnemonic));
sqlCommand.Parameters.Add(new SqlParameter("@statusCode", SqlDbType.Int, 0, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Current, statusCode));
sqlCommand.ExecuteNonQuery();
}
/// <summary>Initializes the static elements of an Object.</summary>
static Status()
{
// The table must be locked before the indices can be read into an accelerator array.
ServerMarketData.StatusLock.AcquireReaderLock(System.Threading.Timeout.Infinite);
// Accessor for the Status Table.
ServerMarketData.StatusDataTable statusTable = ServerMarketData.Status;
// 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.
Status.externalKeyArray = new DataView[] {
statusTable.KeyStatusExternalId0,
statusTable.KeyStatusExternalId1,
statusTable.KeyStatusExternalId2,
statusTable.KeyStatusExternalId3};
// The table must be released after the array is constructed.
ServerMarketData.StatusLock.ReleaseReaderLock();
}
/// <summary>Archives a Status 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 Status Table.
ServerMarketData.StatusDataTable statusTable = ServerMarketData.Status;
// Extract the parameters from the command batch.
AdoTransaction adoTransaction = parameters["adoTransaction"];
SqlTransaction sqlTransaction = parameters["sqlTransaction"];
object configurationId = parameters["configurationId"].Value;
int statusCode = parameters["statusCode"];
// The row versioning is largely disabled for external operations.
long rowVersion = long.MinValue;
// 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.
ServerMarketData.StatusRow statusRow = statusTable.FindByStatusCode(statusCode);
rowVersion = ((long)(statusRow[statusTable.RowVersionColumn]));
// Call the internal method to complete the operation.
MarkThree.Guardian.Core.Status.Archive(adoTransaction, sqlTransaction, rowVersion, statusCode);
}
/// <summary>Finds a a Status 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 Status Table.
ServerMarketData.StatusDataTable statusTable = ServerMarketData.Status;
// 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 = Status.GetExternalKeyIndex(configurationId, parameterId);
System.Data.DataView externalKeyView = Status.externalKeyArray[externalKeyIndex];
int recordIndex = externalKeyView.Find(new object[] {
externalId});
if ((recordIndex == -1))
{
return int.MinValue;
}
return ((int)(externalKeyView[recordIndex].Row[statusTable.StatusCodeColumn]));
}
/// <summary>Updates a Status 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 Status Table.
ServerMarketData.StatusDataTable statusTable = ServerMarketData.Status;
// Extract the parameters from the command batch.
AdoTransaction adoTransaction = parameters["adoTransaction"];
SqlTransaction sqlTransaction = parameters["sqlTransaction"];
object configurationId = parameters["configurationId"].Value;
object description = parameters["description"].Value;
object mnemonic = parameters["mnemonic"].Value;
string externalStatusCode = parameters["statusCode"];
// The row versioning is largely disabled for external operations.
long rowVersion = long.MinValue;
// Resolve External Identifiers
int statusCode = Status.FindRequiredKey(configurationId, "statusCode", externalStatusCode);
// This will bypass the internal optimistic concurrency checking by providing the current rowVersion to the
// internal method.
ServerMarketData.StatusRow statusRow = statusTable.FindByStatusCode(statusCode);
rowVersion = ((long)(statusRow[statusTable.RowVersionColumn]));
// Call the internal method to complete the operation.
MarkThree.Guardian.Core.Status.Update(adoTransaction, sqlTransaction, ref rowVersion, description, null, null, null, null, mnemonic, statusCode);
// Return values.
parameters["rowVersion"] = rowVersion;
}
/// <summary>Updates a Status 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="description">The value for the Description 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>
/// <param name="mnemonic">The value for the Mnemonic column.</param>
/// <param name="statusCode">The value for the StatusCode column.</param>
public static void Update(AdoTransaction adoTransaction, SqlTransaction sqlTransaction, ref long rowVersion, object description, object externalId0, object externalId1, object externalId2, object externalId3, object mnemonic, int statusCode)
{
// Accessor for the Status Table.
ServerMarketData.StatusDataTable statusTable = ServerMarketData.Status;
// Rule #1: Make sure the record exists before updating it.
ServerMarketData.StatusRow statusRow = statusTable.FindByStatusCode(statusCode);
if ((statusRow == null))
{
throw new Exception(string.Format("The Status table does not have an element identified by {0}", statusCode));
}
// Rule #2: Optimistic Concurrency Check
if ((statusRow.RowVersion != rowVersion))
{
throw new System.Exception("This record is busy. Please try again later.");
}
// Apply Defaults
if ((description == null))
{
description = statusRow[statusTable.DescriptionColumn];
}
if ((externalId0 == null))
{
externalId0 = statusRow[statusTable.ExternalId0Column];
}
if ((externalId1 == null))
{
externalId1 = statusRow[statusTable.ExternalId1Column];
}
if ((externalId2 == null))
{
externalId2 = statusRow[statusTable.ExternalId2Column];
}
if ((externalId3 == null))
{
externalId3 = statusRow[statusTable.ExternalId3Column];
}
if ((mnemonic == null))
{
mnemonic = statusRow[statusTable.MnemonicColumn];
}
// Increment the row version
rowVersion = ServerMarketData.RowVersion.Increment();
// Update the record in the ADO database.
statusRow[statusTable.RowVersionColumn] = rowVersion;
statusRow[statusTable.DescriptionColumn] = description;
statusRow[statusTable.ExternalId0Column] = externalId0;
statusRow[statusTable.ExternalId1Column] = externalId1;
statusRow[statusTable.ExternalId2Column] = externalId2;
statusRow[statusTable.ExternalId3Column] = externalId3;
statusRow[statusTable.MnemonicColumn] = mnemonic;
adoTransaction.DataRows.Add(statusRow);
// Update the record in the SQL database.
SqlCommand sqlCommand = new SqlCommand("update \"Status\" set \"RowVersion\"=@rowVersion,\"Description\"=@description,\"External" +
"Id0\"=@externalId0,\"ExternalId1\"=@externalId1,\"ExternalId2\"=@externalId2,\"Externa" +
"lId3\"=@externalId3,\"Mnemonic\"=@mnemonic where \"StatusCode\"=@statusCode");
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("@description", SqlDbType.NVarChar, 0, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Current, description));
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.Parameters.Add(new SqlParameter("@mnemonic", SqlDbType.NVarChar, 0, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Current, mnemonic));
sqlCommand.Parameters.Add(new SqlParameter("@statusCode", SqlDbType.Int, 0, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Current, statusCode));
// Update the record in the SQL database.
sqlCommand.ExecuteNonQuery();
}
