public virtual TableMetaData getTableMetaData(string database, string tableSchema, string tableName)
{
TableMetaData tableMetaData = new TableMetaData(dlineage.Vendor, dlineage.Strict);
tableMetaData.Name = tableName;
tableMetaData.SchemaName = tableSchema;
if (!string.ReferenceEquals(database, null))
{
tableMetaData.CatalogName = database;
}
tableMetaData = getTableMetaData(tableMetaData);
return(tableMetaData);
}
private TableMetaData getTableMetaData(TableMetaData tableMetaData)
{
IList <TableMetaData> tables = new List <TableMetaData>(dlineage.MetaData.Keys);
int index = tables.IndexOf(tableMetaData);
if (index != -1)
{
return(tables[index]);
}
else
{
return(null);
}
}
public virtual ColumnMetaData getColumnMetaData(TableMetaData tableMetaData, string columnName)
{
ColumnMetaData columnMetaData = new ColumnMetaData();
columnMetaData.Name = columnName;
columnMetaData.Table = tableMetaData;
if (dlineage.MetaData[tableMetaData] == null)
{
return(null);
}
int index = dlineage.MetaData[tableMetaData].IndexOf(columnMetaData);
if (index != -1)
{
columnMetaData = dlineage.MetaData[tableMetaData][index];
}
else
{
return(null);
}
return(columnMetaData);
}
