/// <summary>
/// Find the related Data Objects in the same level, based on the business key evaluation.
/// </summary>
/// <param name="SourceDataObjectName"></param>
/// <param name="TargetDataObjectName"></param>
/// <param name="BusinessKey"></param>
/// <param name="DataTable"></param>
/// <param name="businessKeyEvaluationMode"></param>
/// <returns></returns>
public List <DataRow> GetPeerDataRows(string SourceDataObjectName, string TargetDataObjectName, string BusinessKey, DataTable DataTable, BusinessKeyEvaluationMode businessKeyEvaluationMode)
{
// Prepare the return information
List <DataRow> localDataRows = new List <DataRow>();
// First, the Business Key need to be checked. This is to determine how many dependents are expected.
// For instance, if a Link has a three-part Business Key then three Hubs will be expected
List <string> businessKeyComponents = BusinessKey.Split(',').ToList();
// E.g. for Links and stuff
if (businessKeyEvaluationMode == BusinessKeyEvaluationMode.Partial)
{
foreach (string businessKeyComponent in businessKeyComponents)
{
foreach (DataRow row in DataTable.Rows)
{
if (
(bool)row[TableMappingMetadataColumns.Enabled.ToString()] == true && // Only active generated objects
(string)row[TableMappingMetadataColumns.SourceTable.ToString()] == SourceDataObjectName &&
(string)row[TableMappingMetadataColumns.BusinessKeyDefinition.ToString()] == businessKeyComponent.Trim() &&
(string)row[TableMappingMetadataColumns.TargetTable.ToString()] != TargetDataObjectName
// && // Exclude itself
// row[TableMappingMetadataColumns.TargetTable.ToString()].ToString().StartsWith(tableInclusionFilterCriterion)
)
{
localDataRows.Add(row);
}
}
}
}
else // In the case of an LSAT, only join on the Link using the full business key
{
// Query the dependent information
foreach (DataRow row in DataTable.Rows)
{
if (
(bool)row[TableMappingMetadataColumns.Enabled.ToString()] == true && // Only active generated objects
(string)row[TableMappingMetadataColumns.SourceTable.ToString()] == SourceDataObjectName &&
(string)row[TableMappingMetadataColumns.BusinessKeyDefinition.ToString()] == BusinessKey &&
(string)row[TableMappingMetadataColumns.TargetTable.ToString()] != TargetDataObjectName
//&& // Exclude itself
// row[TableMappingMetadataColumns.TargetTable.ToString()].ToString().StartsWith(tableInclusionFilterCriterion)
)
{
localDataRows.Add(row);
}
}
}
// return the result
return(localDataRows);
}
/// <summary>
/// Find the related Data Objects in the same level, based on the business key evaluation.
/// </summary>
/// <param name="SourceDataObjectName"></param>
/// <param name="TargetDataObjectName"></param>
/// <param name="BusinessKey"></param>
/// <param name="DataTable"></param>
/// <param name="businessKeyEvaluationMode"></param>
/// <returns></returns>
public List <DataRow> GetPeerDataRows(string SourceDataObjectName, string SourceDataObjectSchema, string TargetDataObjectName, string TargetDataObjectSchema, string BusinessKey, string FilterCriterion, DataTable DataTable, BusinessKeyEvaluationMode businessKeyEvaluationMode)
{
// Prepare the return information
List <DataRow> localDataRows = new List <DataRow>();
// First, the Business Key need to be checked. This is to determine how many dependents are expected.
// For instance, if a Link has a three-part Business Key then three Hubs will be expected
List <string> businessKeyComponents = BusinessKey.Split(',').ToList();
//var localSourceDataObjectName = SourceDataObjectSchema + "." + SourceDataObjectName;
//var localTargetDataObjectName = TargetDataObjectSchema + "." + TargetDataObjectName;
// NOTE: THIS NEEDS TO BE REFACTORED TO USE THE FULLY QUALIFIED NAME BUT THIS REQUIRES THE LOADPATTERNQUERY (e.g. base query) CONCEPT TO BE DEPRECATED
var localSourceDataObjectName = SourceDataObjectName.Substring(SourceDataObjectName.IndexOf('.') + 1);
var localTargetDataObjectName = TargetDataObjectName.Substring(TargetDataObjectName.IndexOf('.') + 1);
// Only evaluate a business key component based on its part.
// E.g. a single business key such as CustomerID will be looked up in the rest of the mappings.
// E.g. a Composite business key such as for a Link (customerID, OfferID) will be evaluated on each component to find any Hubs, Sats etc.
if (businessKeyEvaluationMode == BusinessKeyEvaluationMode.Partial)
{
foreach (string businessKeyComponent in businessKeyComponents)
{
var relatedDataObjectRows = from localRow in DataTable.AsEnumerable()
where
localRow.Field <bool>(TableMappingMetadataColumns.Enabled.ToString()) == true &&
localRow.Field <string>(TableMappingMetadataColumns.SourceTable.ToString()).Substring(localRow.Field <string>(TableMappingMetadataColumns.SourceTable.ToString()).IndexOf('.') + 1) == localSourceDataObjectName &&
localRow.Field <string>(TableMappingMetadataColumns.BusinessKeyDefinition.ToString()) == businessKeyComponent.Trim() &&
localRow.Field <string>(TableMappingMetadataColumns.FilterCriterion.ToString()) == FilterCriterion &&
localRow.Field <string>(TableMappingMetadataColumns.TargetTable.ToString()).Substring(localRow.Field <string>(TableMappingMetadataColumns.TargetTable.ToString()).IndexOf('.') + 1) != localTargetDataObjectName
select localRow;
foreach (DataRow detailRow in relatedDataObjectRows)
{
localDataRows.Add(detailRow);
}
//foreach (DataRow row in DataTable.Rows)
//{
// if (
// (bool)row[TableMappingMetadataColumns.Enabled.ToString()] == true && // Only active generated objects
// (string)row[TableMappingMetadataColumns.SourceTable.ToString()] == SourceDataObjectName &&
// (string)row[TableMappingMetadataColumns.BusinessKeyDefinition.ToString()] == businessKeyComponent.Trim() &&
// (string)row[TableMappingMetadataColumns.FilterCriterion.ToString()] == FilterCriterion &&
// (string)row[TableMappingMetadataColumns.TargetTable.ToString()] != TargetDataObjectName
// // && // Exclude itself
// // row[TableMappingMetadataColumns.TargetTable.ToString()].ToString().StartsWith(tableInclusionFilterCriterion)
// )
// {
// localDataRows.Add(row);
// }
//}
}
}
else // In the case of an LSAT, only join on the Link using the full business key
{
// Query the dependent information
foreach (DataRow row in DataTable.Rows)
{
if (
(bool)row[TableMappingMetadataColumns.Enabled.ToString()] == true && // Only active generated objects
(string)row[TableMappingMetadataColumns.SourceTable.ToString()] == SourceDataObjectName &&
(string)row[TableMappingMetadataColumns.BusinessKeyDefinition.ToString()] == BusinessKey &&
(string)row[TableMappingMetadataColumns.TargetTable.ToString()] != TargetDataObjectName
//&& // Exclude itself
// row[TableMappingMetadataColumns.TargetTable.ToString()].ToString().StartsWith(tableInclusionFilterCriterion)
)
{
localDataRows.Add(row);
}
}
}
// return the result
return(localDataRows);
}
