/// <summary>Loads a AlgorithmType 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 AlgorithmType Table.
ServerDataModel.AlgorithmTypeDataTable algorithmTypeTable = ServerDataModel.AlgorithmType;
// Extract the parameters from the command batch.
AdoTransaction adoTransaction = parameters["adoTransaction"];
SqlTransaction sqlTransaction = parameters["sqlTransaction"];
object configurationId = parameters["configurationId"].Value;
int algorithmTypeCode = parameters["algorithmTypeCode"];
object name = parameters["name"].Value;
object description = parameters["description"].Value;
object externalId0 = parameters["externalId0"].Value;
object externalId1 = parameters["externalId1"].Value;
// 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.
ServerDataModel.AlgorithmTypeRow algorithmTypeRow = algorithmTypeTable.FindByAlgorithmTypeCode(algorithmTypeCode);
if ((algorithmTypeRow == null))
{
// Call the internal 'Insert' method to complete the operation.
MarkThree.Quasar.Core.AlgorithmType.Insert(adoTransaction, sqlTransaction, ref rowVersion, algorithmTypeCode, name, description, externalId0, externalId1);
}
else
{
// This will bypass the optimistic concurrency checking required by the internal method.
rowVersion = ((long)(algorithmTypeRow[algorithmTypeTable.RowVersionColumn]));
// Call the internal 'Update' method to complete the operation.
MarkThree.Quasar.Core.AlgorithmType.Update(adoTransaction, sqlTransaction, ref rowVersion, algorithmTypeCode, name, description, externalId0, externalId1);
}
// Return values
parameters["rowVersion"] = rowVersion;
}
/// <summary>Updates a AlgorithmType 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="algorithmTypeCode">The value for the AlgorithmTypeCode column.</param>
/// <param name="name">The value for the Name column.</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>
public static void Update(AdoTransaction adoTransaction, SqlTransaction sqlTransaction, ref long rowVersion, int algorithmTypeCode, object name, object description, object externalId0, object externalId1)
{
// Accessor for the AlgorithmType Table.
ServerDataModel.AlgorithmTypeDataTable algorithmTypeTable = ServerDataModel.AlgorithmType;
// Rule #1: Make sure the record exists before updating it.
ServerDataModel.AlgorithmTypeRow algorithmTypeRow = algorithmTypeTable.FindByAlgorithmTypeCode(algorithmTypeCode);
if ((algorithmTypeRow == null))
{
throw new Exception(string.Format("The AlgorithmType table does not have an element identified by {0}", algorithmTypeCode));
}
// Rule #2: Optimistic Concurrency Check
if ((algorithmTypeRow.RowVersion != rowVersion))
{
throw new System.Exception("This record is busy. Please try again later.");
}
// Apply Defaults
if ((name == null))
{
name = algorithmTypeRow[algorithmTypeTable.NameColumn];
}
if ((description == null))
{
description = algorithmTypeRow[algorithmTypeTable.DescriptionColumn];
}
if ((externalId0 == null))
{
externalId0 = algorithmTypeRow[algorithmTypeTable.ExternalId0Column];
}
if ((externalId1 == null))
{
externalId1 = algorithmTypeRow[algorithmTypeTable.ExternalId1Column];
}
// Increment the row version
rowVersion = ServerDataModel.RowVersion.Increment();
// Update the record in the ADO database.
algorithmTypeRow[algorithmTypeTable.RowVersionColumn] = rowVersion;
algorithmTypeRow[algorithmTypeTable.NameColumn] = name;
algorithmTypeRow[algorithmTypeTable.DescriptionColumn] = description;
algorithmTypeRow[algorithmTypeTable.ExternalId0Column] = externalId0;
algorithmTypeRow[algorithmTypeTable.ExternalId1Column] = externalId1;
adoTransaction.DataRows.Add(algorithmTypeRow);
// Update the record in the SQL database.
SqlCommand sqlCommand = new SqlCommand("update \"AlgorithmType\" set \"RowVersion\"=@rowVersion,\"Name\"=@name,\"Description\"=@d" +
"escription,\"ExternalId0\"=@externalId0,\"ExternalId1\"=@externalId1 where \"Algorith" +
"mTypeCode\"=@algorithmTypeCode");
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("@algorithmTypeCode", SqlDbType.Int, 0, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Current, algorithmTypeCode));
sqlCommand.Parameters.Add(new SqlParameter("@name", SqlDbType.NVarChar, 0, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Current, name));
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));
// Update the record in the SQL database.
sqlCommand.ExecuteNonQuery();
}
/// <summary>Initializes the static elements of an Object.</summary>
static AlgorithmType()
{
// The table must be locked before the indices can be read into an accelerator array.
ServerDataModel.AlgorithmTypeLock.AcquireReaderLock(System.Threading.Timeout.Infinite);
// Accessor for the AlgorithmType Table.
ServerDataModel.AlgorithmTypeDataTable algorithmTypeTable = ServerDataModel.AlgorithmType;
// 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.
AlgorithmType.externalKeyArray = new DataView[] {
algorithmTypeTable.UKAlgorithmTypeExternalId0,
algorithmTypeTable.UKAlgorithmTypeExternalId1};
// The table must be released after the array is constructed.
ServerDataModel.AlgorithmTypeLock.ReleaseReaderLock();
}
/// <summary>Inserts a AlgorithmType record.</summary>
/// <param name="transaction">Commits or rejects a set of commands as a unit</param>
/// <param name="algorithmTypeCode">The value for the AlgorithmTypeCode column.</param>
/// <param name="name">The value for the Name column.</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>
public static void Insert(AdoTransaction adoTransaction, SqlTransaction sqlTransaction, ref long rowVersion, int algorithmTypeCode, object name, object description, object externalId0, object externalId1)
{
// Accessor for the AlgorithmType Table.
ServerDataModel.AlgorithmTypeDataTable algorithmTypeTable = ServerDataModel.AlgorithmType;
// Apply Defaults
if ((name == null))
{
name = System.DBNull.Value;
}
if ((description == null))
{
description = System.DBNull.Value;
}
if ((externalId0 == null))
{
externalId0 = System.DBNull.Value;
}
if ((externalId1 == null))
{
externalId1 = System.DBNull.Value;
}
// Increment the row version
rowVersion = ServerDataModel.RowVersion.Increment();
// Insert the record into the ADO database.
ServerDataModel.AlgorithmTypeRow algorithmTypeRow = algorithmTypeTable.NewAlgorithmTypeRow();
algorithmTypeRow[algorithmTypeTable.RowVersionColumn] = rowVersion;
algorithmTypeRow[algorithmTypeTable.AlgorithmTypeCodeColumn] = algorithmTypeCode;
algorithmTypeRow[algorithmTypeTable.NameColumn] = name;
algorithmTypeRow[algorithmTypeTable.DescriptionColumn] = description;
algorithmTypeRow[algorithmTypeTable.ExternalId0Column] = externalId0;
algorithmTypeRow[algorithmTypeTable.ExternalId1Column] = externalId1;
algorithmTypeTable.AddAlgorithmTypeRow(algorithmTypeRow);
adoTransaction.DataRows.Add(algorithmTypeRow);
// Insert the record into the SQL database.
SqlCommand sqlCommand = new SqlCommand("insert \"AlgorithmType\" (\"rowVersion\",\"AlgorithmTypeCode\",\"Name\",\"Description\",\"Ex" +
"ternalId0\",\"ExternalId1\") values (@rowVersion,@algorithmTypeCode,@name,@descript" +
"ion,@externalId0,@externalId1)");
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("@algorithmTypeCode", SqlDbType.Int, 0, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Current, algorithmTypeCode));
sqlCommand.Parameters.Add(new SqlParameter("@name", SqlDbType.NVarChar, 0, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Current, name));
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.ExecuteNonQuery();
}
/// <summary>Archives a AlgorithmType 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 AlgorithmType Table.
ServerDataModel.AlgorithmTypeDataTable algorithmTypeTable = ServerDataModel.AlgorithmType;
// Extract the parameters from the command batch.
AdoTransaction adoTransaction = parameters["adoTransaction"];
SqlTransaction sqlTransaction = parameters["sqlTransaction"];
object configurationId = parameters["configurationId"].Value;
int algorithmTypeCode = parameters["algorithmTypeCode"];
// 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.
ServerDataModel.AlgorithmTypeRow algorithmTypeRow = algorithmTypeTable.FindByAlgorithmTypeCode(algorithmTypeCode);
rowVersion = ((long)(algorithmTypeRow[algorithmTypeTable.RowVersionColumn]));
// Call the internal method to complete the operation.
MarkThree.Quasar.Core.AlgorithmType.Archive(adoTransaction, sqlTransaction, rowVersion, algorithmTypeCode);
}
/// <summary>Finds a a AlgorithmType 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 AlgorithmType Table.
ServerDataModel.AlgorithmTypeDataTable algorithmTypeTable = ServerDataModel.AlgorithmType;
// 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 = AlgorithmType.GetExternalKeyIndex(configurationId, parameterId);
System.Data.DataView externalKeyView = AlgorithmType.externalKeyArray[externalKeyIndex];
int recordIndex = externalKeyView.Find(new object[] {
externalId});
if ((recordIndex == -1))
{
return int.MinValue;
}
return ((int)(externalKeyView[recordIndex].Row[algorithmTypeTable.AlgorithmTypeCodeColumn]));
}
/// <summary>Updates a AlgorithmType 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 AlgorithmType Table.
ServerDataModel.AlgorithmTypeDataTable algorithmTypeTable = ServerDataModel.AlgorithmType;
// Extract the parameters from the command batch.
AdoTransaction adoTransaction = parameters["adoTransaction"];
SqlTransaction sqlTransaction = parameters["sqlTransaction"];
object configurationId = parameters["configurationId"].Value;
string externalAlgorithmTypeCode = parameters["algorithmTypeCode"];
object name = parameters["name"].Value;
object description = parameters["description"].Value;
// The row versioning is largely disabled for external operations.
long rowVersion = long.MinValue;
// Resolve External Identifiers
int algorithmTypeCode = AlgorithmType.FindRequiredKey(configurationId, "algorithmTypeCode", externalAlgorithmTypeCode);
// This will bypass the internal optimistic concurrency checking by providing the current rowVersion to the
// internal method.
ServerDataModel.AlgorithmTypeRow algorithmTypeRow = algorithmTypeTable.FindByAlgorithmTypeCode(algorithmTypeCode);
rowVersion = ((long)(algorithmTypeRow[algorithmTypeTable.RowVersionColumn]));
// Call the internal method to complete the operation.
MarkThree.Quasar.Core.AlgorithmType.Update(adoTransaction, sqlTransaction, ref rowVersion, algorithmTypeCode, name, description, null, null);
// Return values.
parameters["rowVersion"] = rowVersion;
}
/// <summary>Archives a AlgorithmType 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="algorithmTypeCode">The value for the AlgorithmTypeCode 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 algorithmTypeCode)
{
// Accessor for the AlgorithmType Table.
ServerDataModel.AlgorithmTypeDataTable algorithmTypeTable = ServerDataModel.AlgorithmType;
// Rule #1: Make sure the record exists before updating it.
ServerDataModel.AlgorithmTypeRow algorithmTypeRow = algorithmTypeTable.FindByAlgorithmTypeCode(algorithmTypeCode);
if ((algorithmTypeRow == null))
{
throw new Exception(string.Format("The AlgorithmType table does not have an element identified by {0}", algorithmTypeCode));
}
// Rule #2: Optimistic Concurrency Check
if ((algorithmTypeRow.RowVersion != rowVersion))
{
throw new System.Exception("This record is busy. Please try again later.");
}
// Archive the child records.
for (int index = 0; (index < algorithmTypeRow.GetAlgorithmRows().Length); index = (index + 1))
{
ServerDataModel.AlgorithmRow childAlgorithmRow = algorithmTypeRow.GetAlgorithmRows()[index];
Algorithm.Archive(adoTransaction, sqlTransaction, childAlgorithmRow.RowVersion, childAlgorithmRow.AlgorithmId);
}
// Increment the row version
rowVersion = ServerDataModel.RowVersion.Increment();
// Delete the record in the ADO database.
algorithmTypeRow[algorithmTypeTable.RowVersionColumn] = rowVersion;
adoTransaction.DataRows.Add(algorithmTypeRow);
algorithmTypeRow.Delete();
// Archive the record in the SQL database.
SqlCommand sqlCommand = new SqlCommand("update \"AlgorithmType\" set \"IsArchived\" = 1 where \"AlgorithmTypeCode\"=@algorithmT" +
"ypeCode");
sqlCommand.Connection = sqlTransaction.Connection;
sqlCommand.Transaction = sqlTransaction;
sqlCommand.Parameters.Add(new SqlParameter("@algorithmTypeCode", SqlDbType.Int, 0, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Current, algorithmTypeCode));
sqlCommand.ExecuteNonQuery();
}
