internal ArrayList p_ReadMultiple(object persistableObject, string top, string where, string orderby, string groupby)
{
PersistDataSourceAttribute pdsa; // contient les requetes utile pour l'acces au données
PersistConnectionStringAttribute pcs; // contient l'attribut de la chaine de connexion
ArrayList alPrimaryKeys; // contient la liste des clés primaire
SortedList slFieldsValue; // contient la liste des champs et leur valeurs
Type persistableObjectType = persistableObject.GetType(); // on recupere les informations sur le type de l'objet a persister
ArrayList alAggregatedObjects = GetAggregatedObject(persistableObject);
GetDatabaseInformation(persistableObjectType, out pdsa, out pcs);
// on recupere les infos sur les cle primaires
CreateFieldAndPKeyList(persistableObjectType, out alPrimaryKeys, out slFieldsValue);
ArrayList alMultObject = new ArrayList();
string reqSql = "SELECT";
if (top != null)
{
reqSql += " TOP " + top;
}
reqSql += " ";
string separateur = "";
foreach (string pk in alPrimaryKeys)
{
PersistFieldInfo pfi = (PersistFieldInfo)slFieldsValue[pk];
reqSql += separateur + pfi.DBFieldName;
separateur = ",";
}
if (groupby != null)
{
reqSql += separateur + groupby;
}
reqSql += " FROM " + pdsa.TableName;
if (where != null)
{
reqSql += " WHERE " + where;
}
if (groupby != null)
{
reqSql += " GROUP BY " + groupby;
}
if (orderby != null)
{
reqSql += " ORDER BY " + orderby;
}
// on se connecte a la base de donnée en utilisant la chaine de connection présent dans l'attribut [PersistConnectionString]
IDbConnection cnx = dbhelper.GetConnection(pcs.ConnectionString);
IDbCommand cmd = dbhelper.GetNewCommand(reqSql);
cmd.Connection = cnx;
IDataReader rdr = cmd.ExecuteReader();
Type tpo = persistableObject.GetType();
while (rdr.Read())
{
SortedList slNewFieldValue = new SortedList();
object npo = Activator.CreateInstance(tpo);
foreach (string pk in alPrimaryKeys)
{
PersistFieldInfo pfi = (PersistFieldInfo)slFieldsValue[pk];
pfi.SetInstanceValue(npo, rdr[pfi.DBFieldName]);
}
PersistDAL.Read(npo);
alMultObject.Add(npo);
}
rdr.Close();
rdr.Dispose();
cmd.Dispose();
dbhelper.GetConnection("").Close();
return(alMultObject);
}
public override void GenerateCommands(object persistableObject, IDBContextHelper helper, ArrayList PrimaryKeys, SortedList FieldValue)
{
// crée les 4 Commandes SQL pour l'execution des proc stock ainsi que La listes des paramètres
if (p_ct_select != null) // creation d'une requete SELECT ?
{
// creation de la requete Select
p_cmdSelect = helper.GetNewCommand(p_ct_select);
p_cmdSelect.CommandType = CommandType.StoredProcedure;
// creation des parametres de la requete
foreach (string spparamname in PrimaryKeys)
{
helper.AddParameter(p_cmdSelect, "@" + spparamname,
((PersistFieldInfo)(FieldValue[spparamname])).DBType,
((PersistFieldInfo)(FieldValue[spparamname])).DBValue(persistableObject));
}
}
if (p_ct_insert != null) // creation d'une requete INSERT ?
{
// creation de la requete Insert
p_cmdInsert = helper.GetNewCommand(p_ct_insert);
p_cmdInsert.CommandType = CommandType.StoredProcedure;
// creation des parametres de la requete
foreach (string spparamname in FieldValue.Keys)
{
if (((PersistFieldInfo)(FieldValue[spparamname])).Identity == true)
{
helper.AddParameter(p_cmdInsert, "@" + spparamname,
((PersistFieldInfo)(FieldValue[spparamname])).DBType,
((PersistFieldInfo)(FieldValue[spparamname])).DBValue(persistableObject),
ParameterDirection.Output);
}
else
{
helper.AddParameter(p_cmdInsert, "@" + spparamname,
((PersistFieldInfo)(FieldValue[spparamname])).DBType,
((PersistFieldInfo)(FieldValue[spparamname])).DBValue(persistableObject));
}
}
}
if (p_ct_update != null) // creation d'une requete UPDATE ?
{
// creation de la requete Update
p_cmdUpdate = helper.GetNewCommand(p_ct_update);
p_cmdUpdate.CommandType = CommandType.StoredProcedure;
// creation des parametres de la requete
foreach (string spparamname in FieldValue.Keys)
{
PersistFieldInfo pfi = (PersistFieldInfo)(FieldValue[spparamname]);
helper.AddParameter(p_cmdUpdate, "@" + spparamname, pfi.DBType, pfi.DBValue(persistableObject));
}
}
if (p_ct_delete != null) // creation d'une requete DELETE ?
{
// creation de la requete Delete
p_cmdDelete = helper.GetNewCommand(p_ct_delete);
p_cmdDelete.CommandType = CommandType.StoredProcedure;
// creation des parametres de la requete
foreach (string spparamname in PrimaryKeys)
{
helper.AddParameter(p_cmdDelete, "@" + spparamname,
((PersistFieldInfo)(FieldValue[spparamname])).DBType,
((PersistFieldInfo)(FieldValue[spparamname])).DBValue(persistableObject));
}
}
}
internal ArrayList p_Query(Type persistableObjectType, params SQLRequestElement[] sqle)
{
throw new PersistException("Not implemented");
PersistDataSourceAttribute pdsa; // contient les requetes utile pour l'acces au données
PersistConnectionStringAttribute pcs; // contient l'attribut de la chaine de connexion
ArrayList alPrimaryKeys; // contient la liste des clés primaire
SortedList slFieldsValue; // contient la liste des champs et leur valeurs
//ArrayList alAggregatedObjects=GetAggregatedObject(persistableObject);
GetDatabaseInformation(persistableObjectType, out pdsa, out pcs);
// on recupere les infos sur les cle primaires
CreateFieldAndPKeyList(persistableObjectType, out alPrimaryKeys, out slFieldsValue);
ArrayList alMultObject = new ArrayList();
// ICI : appel du dbhelper pour contruire la requete SQL !
string reqSql = "";
////// if (top!=null) reqSql+=" TOP " + top;
//////
////// reqSql+=" ";
//////
////// string separateur="";
////// foreach(string pk in alPrimaryKeys)
////// {
////// PersistFieldInfo pfi=(PersistFieldInfo)slFieldsValue[pk];
////// reqSql+=separateur + pfi.DBFieldName;
////// separateur=",";
////// }
////// if (groupby!=null) reqSql+=separateur+groupby;
//////
////// reqSql+=" FROM " + pdsa.TableName;
////// if (where!=null) reqSql+=" WHERE " + where;
////// if (groupby!=null) reqSql+=" GROUP BY " + groupby;
////// if (orderby!=null) reqSql+=" ORDER BY " + orderby;
//////
// on se connecte a la base de donnée en utilisant la chaine de connection présent dans l'attribut [PersistConnectionString]
IDbConnection cnx = dbhelper.GetConnection(pcs.ConnectionString);
IDbCommand cmd = dbhelper.GetNewCommand(reqSql);
cmd.Connection = cnx;
IDataReader rdr = cmd.ExecuteReader();
Type tpo = persistableObjectType;
while (rdr.Read())
{
SortedList slNewFieldValue = new SortedList();
object npo = Activator.CreateInstance(tpo);
foreach (string pk in alPrimaryKeys)
{
PersistFieldInfo pfi = (PersistFieldInfo)slFieldsValue[pk];
pfi.SetInstanceValue(npo, rdr[pfi.DBFieldName]);
}
PersistDAL.Read(npo);
alMultObject.Add(npo);
}
rdr.Close();
rdr.Dispose();
cmd.Dispose();
dbhelper.GetConnection("").Close();
return(alMultObject);
}