public virtual List <T> GetByParameter(string action, List <QueryParameter> parameters, bool isLazy = true)
{
List <T> items = null;
items = new List <T>();
T entity = Activator.CreateInstance <T>();
string spName = new Common().GetSpName(entity.GetType().Name.ToLower(), action);
using (IDBManager dbManager = new DBManager(DataProvider.SqlServer))
{
try
{
dbManager.Open();
dbManager.Parameters = new GenericMapper().AttachParameters(spName, parameters);
using (IDataReader reader = dbManager.ExecuteReader(CommandType.StoredProcedure, spName))
{
while (reader.Read())
{
if (items == null)
{
items = new List <T>();
}
entity = new GenericMapper().Map <T>(reader, isLazy);
items.Add(entity);
}
}
}
catch (System.Data.SqlClient.SqlException ex)
{
throw new DLException("Error while loading data. Action: " + action + ". Store procedure: " + spName, ex);
}
}
return(items);
}
public virtual T GetByID(object id)
{
T entity = Activator.CreateInstance <T>();
string spName = new Common().GetSpName(entity.GetType().Name.ToLower(), "select");
using (IDBManager dbManager = new DBManager(DataProvider.SqlServer))
{
try
{
dbManager.Open();
dbManager.CreateParameters(1);
dbManager.AddParameters(0, "@id", id);
using (IDataReader reader = dbManager.ExecuteReader(CommandType.StoredProcedure, spName))
{
while (reader.Read())
{
entity = new GenericMapper().Map <T>(reader, false);
}
}
}
catch (System.Data.SqlClient.SqlException ex)
{
throw new DLException("Error occured while loading data from database: " + entity.GetType().Name + ", id: " + id.ToString(), ex);
}
}
return(entity);
}
public virtual List <T> GetAll(QueryOptions queryOptions = null)
{
List <T> items = null;
items = new List <T>();
T entity = Activator.CreateInstance <T>();
string spName = new Common().GetSpName(entity.GetType().Name.ToLower(), "get");
using (IDBManager dbManager = new DBManager(DataProvider.SqlServer))
{
try
{
dbManager.Open();
using (IDataReader reader = dbManager.ExecuteReader(CommandType.StoredProcedure, spName))
{
while (reader.Read())
{
if (items == null)
{
items = new List <T>();
}
entity = new GenericMapper().Map <T>(reader);
items.Add(entity);
}
}
}
catch (System.Data.SqlClient.SqlException ex)
{
throw new DLException("Error while loading data from database: " + entity.GetType().Name, ex);
}
}
return(items);
}