/// <summary>Loads a ModelType 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 ModelType Table.
ServerDataModel.ModelTypeDataTable modelTypeTable = ServerDataModel.ModelType;
// Extract the parameters from the command batch.
AdoTransaction adoTransaction = parameters["adoTransaction"];
SqlTransaction sqlTransaction = parameters["sqlTransaction"];
object configurationId = parameters["configurationId"].Value;
int modelTypeCode = parameters["modelTypeCode"];
string description = parameters["description"];
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.ModelTypeRow modelTypeRow = modelTypeTable.FindByModelTypeCode(modelTypeCode);
if ((modelTypeRow == null))
{
// Call the internal 'Insert' method to complete the operation.
MarkThree.Quasar.Core.ModelType.Insert(adoTransaction, sqlTransaction, ref rowVersion, modelTypeCode, description, externalId0, externalId1);
}
else
{
// This will bypass the optimistic concurrency checking required by the internal method.
rowVersion = ((long)(modelTypeRow[modelTypeTable.RowVersionColumn]));
// Call the internal 'Update' method to complete the operation.
MarkThree.Quasar.Core.ModelType.Update(adoTransaction, sqlTransaction, ref rowVersion, modelTypeCode, description, externalId0, externalId1);
}
// Return values
parameters["rowVersion"] = rowVersion;
}
/// <summary>Archives a ModelType 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="modelTypeCode">The value for the ModelTypeCode 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 modelTypeCode)
{
// Accessor for the ModelType Table.
ServerDataModel.ModelTypeDataTable modelTypeTable = ServerDataModel.ModelType;
// Rule #1: Make sure the record exists before updating it.
ServerDataModel.ModelTypeRow modelTypeRow = modelTypeTable.FindByModelTypeCode(modelTypeCode);
if ((modelTypeRow == null))
{
throw new Exception(string.Format("The ModelType table does not have an element identified by {0}", modelTypeCode));
}
// Rule #2: Optimistic Concurrency Check
if ((modelTypeRow.RowVersion != rowVersion))
{
throw new System.Exception("This record is busy. Please try again later.");
}
// Archive the child records.
for (int index = 0; (index < modelTypeRow.GetModelRows().Length); index = (index + 1))
{
ServerDataModel.ModelRow childModelRow = modelTypeRow.GetModelRows()[index];
Model.ArchiveChildren(adoTransaction, sqlTransaction, childModelRow.RowVersion, childModelRow.ModelId);
}
// Increment the row version
rowVersion = ServerDataModel.RowVersion.Increment();
// Delete the record in the ADO database.
modelTypeRow[modelTypeTable.RowVersionColumn] = rowVersion;
adoTransaction.DataRows.Add(modelTypeRow);
modelTypeRow.Delete();
// Archive the record in the SQL database.
SqlCommand sqlCommand = new SqlCommand("update \"ModelType\" set \"IsArchived\" = 1 where \"ModelTypeCode\"=@modelTypeCode");
sqlCommand.Connection = sqlTransaction.Connection;
sqlCommand.Transaction = sqlTransaction;
sqlCommand.Parameters.Add(new SqlParameter("@modelTypeCode", SqlDbType.Int, 0, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Current, modelTypeCode));
sqlCommand.ExecuteNonQuery();
}
/// <summary>Updates a ModelType 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="modelTypeCode">The value for the ModelTypeCode 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 modelTypeCode, object description, object externalId0, object externalId1)
{
// Accessor for the ModelType Table.
ServerDataModel.ModelTypeDataTable modelTypeTable = ServerDataModel.ModelType;
// Rule #1: Make sure the record exists before updating it.
ServerDataModel.ModelTypeRow modelTypeRow = modelTypeTable.FindByModelTypeCode(modelTypeCode);
if ((modelTypeRow == null))
{
throw new Exception(string.Format("The ModelType table does not have an element identified by {0}", modelTypeCode));
}
// Rule #2: Optimistic Concurrency Check
if ((modelTypeRow.RowVersion != rowVersion))
{
throw new System.Exception("This record is busy. Please try again later.");
}
// Apply Defaults
if ((description == null))
{
description = modelTypeRow[modelTypeTable.DescriptionColumn];
}
if ((externalId0 == null))
{
externalId0 = modelTypeRow[modelTypeTable.ExternalId0Column];
}
if ((externalId1 == null))
{
externalId1 = modelTypeRow[modelTypeTable.ExternalId1Column];
}
// Increment the row version
rowVersion = ServerDataModel.RowVersion.Increment();
// Update the record in the ADO database.
modelTypeRow[modelTypeTable.RowVersionColumn] = rowVersion;
modelTypeRow[modelTypeTable.DescriptionColumn] = description;
modelTypeRow[modelTypeTable.ExternalId0Column] = externalId0;
modelTypeRow[modelTypeTable.ExternalId1Column] = externalId1;
adoTransaction.DataRows.Add(modelTypeRow);
// Update the record in the SQL database.
SqlCommand sqlCommand = new SqlCommand("update \"ModelType\" set \"RowVersion\"=@rowVersion,\"Description\"=@description,\"Exter" +
"nalId0\"=@externalId0,\"ExternalId1\"=@externalId1 where \"ModelTypeCode\"=@modelType" +
"Code");
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("@modelTypeCode", SqlDbType.Int, 0, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Current, modelTypeCode));
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 ModelType()
{
// The table must be locked before the indices can be read into an accelerator array.
ServerDataModel.ModelTypeLock.AcquireReaderLock(System.Threading.Timeout.Infinite);
// Accessor for the ModelType Table.
ServerDataModel.ModelTypeDataTable modelTypeTable = ServerDataModel.ModelType;
// 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.
ModelType.externalKeyArray = new DataView[] {
modelTypeTable.UKModelTypeExternalId0,
modelTypeTable.UKModelTypeExternalId1};
// The table must be released after the array is constructed.
ServerDataModel.ModelTypeLock.ReleaseReaderLock();
}
/// <summary>Archives a ModelType 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 ModelType Table.
ServerDataModel.ModelTypeDataTable modelTypeTable = ServerDataModel.ModelType;
// Extract the parameters from the command batch.
AdoTransaction adoTransaction = parameters["adoTransaction"];
SqlTransaction sqlTransaction = parameters["sqlTransaction"];
object configurationId = parameters["configurationId"].Value;
int modelTypeCode = parameters["modelTypeCode"];
// 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.ModelTypeRow modelTypeRow = modelTypeTable.FindByModelTypeCode(modelTypeCode);
rowVersion = ((long)(modelTypeRow[modelTypeTable.RowVersionColumn]));
// Call the internal method to complete the operation.
MarkThree.Quasar.Core.ModelType.Archive(adoTransaction, sqlTransaction, rowVersion, modelTypeCode);
}
/// <summary>Finds a a ModelType 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 ModelType Table.
ServerDataModel.ModelTypeDataTable modelTypeTable = ServerDataModel.ModelType;
// 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 = ModelType.GetExternalKeyIndex(configurationId, parameterId);
System.Data.DataView externalKeyView = ModelType.externalKeyArray[externalKeyIndex];
int recordIndex = externalKeyView.Find(new object[] {
externalId});
if ((recordIndex == -1))
{
return int.MinValue;
}
return ((int)(externalKeyView[recordIndex].Row[modelTypeTable.ModelTypeCodeColumn]));
}
/// <summary>Inserts a ModelType record.</summary>
/// <param name="transaction">Commits or rejects a set of commands as a unit</param>
/// <param name="modelTypeCode">The value for the ModelTypeCode 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 modelTypeCode, string description, object externalId0, object externalId1)
{
// Accessor for the ModelType Table.
ServerDataModel.ModelTypeDataTable modelTypeTable = ServerDataModel.ModelType;
// Apply Defaults
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.ModelTypeRow modelTypeRow = modelTypeTable.NewModelTypeRow();
modelTypeRow[modelTypeTable.RowVersionColumn] = rowVersion;
modelTypeRow[modelTypeTable.ModelTypeCodeColumn] = modelTypeCode;
modelTypeRow[modelTypeTable.DescriptionColumn] = description;
modelTypeRow[modelTypeTable.ExternalId0Column] = externalId0;
modelTypeRow[modelTypeTable.ExternalId1Column] = externalId1;
modelTypeTable.AddModelTypeRow(modelTypeRow);
adoTransaction.DataRows.Add(modelTypeRow);
// Insert the record into the SQL database.
SqlCommand sqlCommand = new SqlCommand("insert \"ModelType\" (\"rowVersion\",\"ModelTypeCode\",\"Description\",\"ExternalId0\",\"Ext" +
"ernalId1\") values (@rowVersion,@modelTypeCode,@description,@externalId0,@externa" +
"lId1)");
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("@modelTypeCode", SqlDbType.Int, 0, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Current, modelTypeCode));
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>Updates a ModelType 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 ModelType Table.
ServerDataModel.ModelTypeDataTable modelTypeTable = ServerDataModel.ModelType;
// Extract the parameters from the command batch.
AdoTransaction adoTransaction = parameters["adoTransaction"];
SqlTransaction sqlTransaction = parameters["sqlTransaction"];
object configurationId = parameters["configurationId"].Value;
string externalModelTypeCode = parameters["modelTypeCode"];
object description = parameters["description"].Value;
// The row versioning is largely disabled for external operations.
long rowVersion = long.MinValue;
// Resolve External Identifiers
int modelTypeCode = ModelType.FindRequiredKey(configurationId, "modelTypeCode", externalModelTypeCode);
// This will bypass the internal optimistic concurrency checking by providing the current rowVersion to the
// internal method.
ServerDataModel.ModelTypeRow modelTypeRow = modelTypeTable.FindByModelTypeCode(modelTypeCode);
rowVersion = ((long)(modelTypeRow[modelTypeTable.RowVersionColumn]));
// Call the internal method to complete the operation.
MarkThree.Quasar.Core.ModelType.Update(adoTransaction, sqlTransaction, ref rowVersion, modelTypeCode, description, null, null);
// Return values.
parameters["rowVersion"] = rowVersion;
}
