private DataTable GetDataTable(IPersistenceObjectCollection persistenceObjectCollection, IObjectKey parentObjectKey, HybridDictionary parameterCollection)
{
var pf = PersistenceFacade.GetInstance();
var fieldMapperCollection = MapperFactory.GetInstance().GetFieldMappers(persistenceObjectCollection.GetType().FullName);
var dt = new DataTable();
var connection = pf.GetDbConnection(_rdbObjectMapperInfo.RdbConnectionKey);
using (connection)
{
var command = connection.CreateCommand();
command.CommandText = _rdbObjectMapperInfo.MethodNameSelect ?? string.Format("{0}_sel", _rdbObjectMapperInfo.RdbEntityName);
command.CommandType = CommandType.StoredProcedure;
pf.AddCommandParameter(_rdbObjectMapperInfo.RdbConnectionKey, command, "objectKey", parentObjectKey);
foreach (DictionaryEntry param in parameterCollection)
{
if (fieldMapperCollection.Contains(param.Key.ToString()))
{
pf.AddCommandParameter(_rdbObjectMapperInfo.RdbConnectionKey, command, fieldMapperCollection[param.Key.ToString()].ToString(), param.Value);
}
else // implied name from param.Key.ToString()
{
pf.AddCommandParameter(_rdbObjectMapperInfo.RdbConnectionKey, command, param.Key.ToString(), param.Value);
}
}
var adapter = pf.GetDbDataAdapter(_rdbObjectMapperInfo.RdbConnectionKey);
adapter.SelectCommand = command;
adapter.Fill(dt);
return(dt);
}
}
private void AddCommandParameter(DbCommand command, IPersistenceObject persistenceObject)
{
var gu = GeneralUtility.GetInstance();
var pf = PersistenceFacade.GetInstance();
var fieldMapperCollection = MapperFactory.GetInstance().GetFieldMappers(persistenceObject.GetType().FullName);
var fieldPropertyNameCollection = GetFieldPropertyNameCollection(persistenceObject);
foreach (var fieldPropertyName in fieldPropertyNameCollection)
{
DbParameter parameter;
if (fieldMapperCollection.Contains(fieldPropertyName.Name))
{
parameter = pf.AddCommandParameter(_rdbObjectMapperInfo.RdbConnectionKey, command, fieldMapperCollection[fieldPropertyName.Name].ToString(), gu.GetMemberValue(persistenceObject, fieldPropertyName.Name));
}
else // implied name from fieldPropertyName
{
parameter = pf.AddCommandParameter(_rdbObjectMapperInfo.RdbConnectionKey, command, fieldPropertyName.Name, gu.GetMemberValue(persistenceObject, fieldPropertyName.Name));
}
if (!fieldPropertyName.IsRowVersion)
{
continue;
}
parameter.Direction = ParameterDirection.InputOutput;
if (parameter.Value == DBNull.Value)
{
parameter.Value = new SqlBytes(new byte[8]);
}
}
}
private DbDataReader GetDataReader(IObjectKey objectKey)
{
var pf = PersistenceFacade.GetInstance();
var connection = pf.GetDbConnection(_rdbObjectMapperInfo.RdbConnectionKey);
var command = connection.CreateCommand();
command.CommandText = _rdbObjectMapperInfo.MethodNameSelect ?? string.Format("{0}_sel", _rdbObjectMapperInfo.RdbEntityName);
command.CommandType = CommandType.StoredProcedure;
pf.AddCommandParameter(_rdbObjectMapperInfo.RdbConnectionKey, command, "objectKey", objectKey);
return(command.ExecuteReader(CommandBehavior.CloseConnection));
}
public static PersistenceFacade GetInstance()
{
if (_instance == null)
{
lock (SyncRoot)
{
if (_instance == null)
{
_instance = new PersistenceFacade();
}
}
}
return(_instance);
}
internal static void SetMemberValue(Type persistenceObjectType, IPersistenceObject persistenceObject, string targetMemberName, object value)
{
var gu = GeneralUtility.GetInstance();
var memberType = gu.GetMemberType(persistenceObjectType, persistenceObject, targetMemberName);
if (memberType != null && memberType.GetInterface("IPersistenceObject") != null &&
PersistenceFacade.GetInstance().HasObjectToObjectMapper(memberType.FullName))
{
var memberObject = Activator.CreateInstance(memberType, true);
((IPersistenceObject)memberObject).LoadFromObject(value);
gu.SetMemberValue(persistenceObject, targetMemberName, memberObject);
}
else
{
gu.SetMemberValue(persistenceObject, targetMemberName, value);
}
}
private DataTable GetDataTable(IObjectKey parentObjectKey)
{
var dt = new DataTable();
var pf = PersistenceFacade.GetInstance();
var connection = pf.GetDbConnection(_rdbObjectMapperInfo.RdbConnectionKey);
using (connection)
{
var command = connection.CreateCommand();
command.CommandText = _rdbObjectMapperInfo.MethodNameSelect ?? string.Format("{0}_sel", _rdbObjectMapperInfo.RdbEntityName);
command.CommandType = CommandType.StoredProcedure;
pf.AddCommandParameter(_rdbObjectMapperInfo.RdbConnectionKey, command, "objectKey", parentObjectKey);
var adapter = pf.GetDbDataAdapter(_rdbObjectMapperInfo.RdbConnectionKey);
adapter.SelectCommand = command;
adapter.Fill(dt);
return(dt);
}
}
public void Delete(IPersistenceObject persistenceObject)
{
DbCommand command = null;
try
{
var pf = PersistenceFacade.GetInstance();
command = pf.GetDbCommand(_rdbObjectMapperInfo.RdbConnectionKey);
command.CommandText = _rdbObjectMapperInfo.MethodNameDelete ?? string.Format("{0}_del", _rdbObjectMapperInfo.RdbEntityName);
command.CommandType = CommandType.StoredProcedure;
pf.AddCommandParameter(_rdbObjectMapperInfo.RdbConnectionKey, command, "objectKey", persistenceObject.ObjectKey);
command.ExecuteNonQuery();
}
finally
{
if (command != null && command.Transaction == null)
{
command.Connection.Close();
}
}
}
public void Insert(IPersistenceObject persistenceObject)
{
DbCommand command = null;
var pf = PersistenceFacade.GetInstance();
try
{
command = pf.GetDbCommand(_rdbObjectMapperInfo.RdbConnectionKey);
command.CommandText = _rdbObjectMapperInfo.MethodNameInsert ?? string.Format("{0}_ins", _rdbObjectMapperInfo.RdbEntityName);
command.CommandType = CommandType.StoredProcedure;
AddCommandParameter(command, persistenceObject);
command.ExecuteNonQuery();
RetrieveRowVersion(persistenceObject, command);
}
finally
{
if (command != null && command.Transaction == null)
{
command.Connection.Close();
}
}
}
