public override GroupTable Group(params string[] groupedColumnNames)
{
List <object> table = _database.GenerateListFromTable(TableName);
GroupTable result = new GroupTable();
string groupedTableName = "";
List <string> columnsName = new List <string>();
foreach (string columnName in groupedColumnNames)
{
if (columnName == groupedColumnNames.Last())
{
groupedTableName += columnName + "_Group";
}
else
{
groupedTableName += columnName + "_";
}
columnsName.Add(columnName);
}
result.columnsName = columnsName;
result._tableName = groupedTableName;
string typeName = string.Format("{0}.Entity.{1}", typeof(SqlDAMEntity).Namespace, TableName);
Type entityType = Type.GetType(typeName);
PropertyInfo[] properties = entityType.GetProperties();
//Remove properties aren't grouped
foreach (PropertyInfo property in properties)
{
if (!groupedColumnNames.Contains(property.Name))
{
properties = properties.Where(p => p != property).ToArray();
}
}
//Save all objects are grouped to DataTable
foreach (object obj in table)
{
Dictionary <string, object> row = new Dictionary <string, object>();
foreach (PropertyInfo property in properties)
{
row.Add(property.Name, property.GetValue(obj));
}
result.AddRow(row);
}
return(result);
}
public override GroupTable Max(string columnName, params string[] groupedColumnNames)
{
string[] concat = new string[groupedColumnNames.Length + 1];
concat[0] = columnName;
if (groupedColumnNames != null && groupedColumnNames.Length != 0)
{
groupedColumnNames.CopyTo(concat, 1);
}
GroupTable group = Group(concat);
group.Max(columnName);
return(group);
}
public GroupTable(GroupTable groupTable)
{
dataTable = groupTable.dataTable;
columnsName = groupTable.columnsName;
_tableName = groupTable._tableName;
}
