private object InternalTranslate(Type type, DataTranslationItem item)
{
ConstructorInfo constructor = type.GetConstructor(new Type[0]);
var target = (IEntity)constructor.Invoke(new object[0]);
return(InternalTranslate(target, item));
}
public virtual IEnumerable <IEntity> ExecuteQuery(IEntity dataContainer, DbCommand command)
{
ICollection <IEntity> result = null;
DbDataReader reader = null;
try
{
if (command.Connection.State != System.Data.ConnectionState.Open)
{
command.Connection.Open();
}
reader = command.ExecuteReader();
result = new List <IEntity>();
do
{
DataTranslationItem item = new DataTranslationItem(reader.FieldCount);
for (var i = 0; i < reader.FieldCount; i++)
{
item.DataTypeNames[i] = reader.GetDataTypeName(i);
item.Types[i] = reader.GetFieldType(i);
item.ColumnNames[i] = reader.GetName(i);
}
while (reader.Read())
{
for (var i = 0; i < reader.FieldCount; i++)
{
item.ResultSet[i] = reader.GetValue(i);
}
result.Add(InternalTranslate(dataContainer, item));
}
}while (reader.NextResult());
int _recordsAffected = reader.RecordsAffected;
}
catch
{
throw;
}
finally
{
if (reader != null)
{
reader.Dispose();
}
// Releasing connection resource
DisposeCommand(command);
}
return(result);
}
public virtual IEnumerable <T> ExecuteQuery <T>(DbCommand command) where T : IEntity
{
ICollection <T> result = null;
DbDataReader reader = null;
try
{
if (command.Connection.State != System.Data.ConnectionState.Open)
{
command.Connection.Open();
}
reader = command.ExecuteReader();
result = new List <T>();
do
{
DataTranslationItem item = new DataTranslationItem(reader.FieldCount);
for (var i = 0; i < reader.FieldCount; i++)
{
item.DataTypeNames[i] = reader.GetDataTypeName(i);
item.Types[i] = reader.GetFieldType(i);
item.ColumnNames[i] = reader.GetName(i);
}
while (reader.Read())
{
for (var i = 0; i < reader.FieldCount; i++)
{
item.ResultSet[i] = reader.GetValue(i);
}
result.Add(InternalTranslate <T>(item));
}
}while (reader.NextResult());
int _recordsAffected = reader.RecordsAffected;
}
catch
{
throw;
}
finally
{
if (reader != null)
{
reader.Dispose();
}
if (command.Connection != null && command.Connection.State != System.Data.ConnectionState.Closed)
{
command.Connection.Close();
}
if (command.Connection != null)
{
command.Connection.Dispose();
}
if (command != null)
{
command.Dispose();
}
}
return(result);
}
private IEntity InternalTranslate(IEntity target, DataTranslationItem item)
{
Type type = target.GetType();
for (int j = 0; j < item.Size; j++)
{
object value = item.ResultSet[j];
if (value is DBNull)
{
value = null;
}
string name = item.ColumnNames[j];
bool isForeignKey = false;
var property = type.GetProperty(name, BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Instance);
if (property == null && name != "ID" && name.Contains("ID"))
{
name = name.Replace("ID", "");
isForeignKey = true;
property = type.GetProperty(name, BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Instance);
}
if (property != null && property.CanWrite)
{
if (isForeignKey)
{
var propertyValue = property.GetValue(target);
if (propertyValue != null && typeof(Entity).IsAssignableFrom(propertyValue.GetType()))
{
IEntity complexField = (IEntity)propertyValue;
if (value != null)
{
complexField.ID = (Guid)value;
}
else
{
complexField = null;
}
property.SetValue(target, complexField);
}
else if (property.PropertyType.IsInterface && typeof(IEntity).IsAssignableFrom(property.PropertyType))
{
// Removing I from interface name
string strongTypeName = property.PropertyType.AssemblyQualifiedName;
string[] parts = strongTypeName.Split(',');
int index = parts[0].LastIndexOf('.');
parts[0] = parts[0].Remove(index + 1, 1);
strongTypeName = String.Join(",", parts);
// Creating instance of the concrete type
Type concreteType = Type.GetType(strongTypeName);
ConstructorInfo constructor = concreteType.GetConstructor(new Type[0]);
var strongTypeValue = (IEntity)constructor.Invoke(new object[0]);
if (strongTypeValue != null)
{
IEntity complexField = (IEntity)strongTypeValue;
if (value != null)
{
complexField.ID = (Guid)value;
}
else
{
complexField = null;
}
property.SetValue(target, complexField);
}
else
{
property.SetValue(target, null);
}
}
else
{
property.SetValue(target, null);
}
}
else if (property.PropertyType == typeof(Double))
{
property.SetValue(target, Convert.ToDouble(value));
}
else
{
SetValueWithNullableEnumCheck(property, target, value);
}
}
}
return((IEntity)target);
}
private T InternalTranslate <T>(DataTranslationItem item) where T : IEntity
{
Type type = typeof(T);
return((T)InternalTranslate(type, item));
}
