protected override void MapInternal(Reflection.InitContext initContext, IMapDataSource source, object sourceObject, IMapDataDestination dest, object destObject, params object[] parameters)
{
FullObjectMapper mapper = (FullObjectMapper)initContext.ObjectMapper;
IDataReader dataReader = (IDataReader)sourceObject;
//int[] index = GetIndex(source, dest);
//IValueMapper[] mappers = GetValueMappers(source, dest, index);
//foreach (var valueMapper in mappers)
//{
//}
InitSchema(dataReader);
if (mapper.ColParent)
{
FillObject(mapper, dataReader, destObject);
while (dataReader.Read())
{
destObject = FillObject(destObject, mapper, dataReader);
}
}
else
{
FillObject(mapper, dataReader, destObject);
}
}
public override object MapDataReaderToObject(
IDataReader dataReader,
Type destObjectType,
params object[] parameters)
{
// Get mapping for the type
if (destObjectType == null)
{
throw new ArgumentNullException("type");
}
if (dataReader.FieldCount == 0)
{
return(null);
}
int index = 0;
FullObjectMapper mapper = GetObjectMapper(destObjectType, ref index);
if (mapper.ColParent)
{
object result = FillObject(mapper, dataReader);
while (dataReader.Read())
{
result = FillObject(result, mapper, dataReader);
}
return(result);
}
else
{
return(FillObject(mapper, dataReader));
}
}
public FullObjectMapper GetObjectMapper(Type mapperType, ref int startIndex)
{
var mapper = new FullObjectMapper {
PropertyType = mapperType
};
return((FullObjectMapper)GetObjectMapper(mapper, ref startIndex));
}
private T FillObject <T>(FullObjectMapper mapper, IDataReader datareader)
{
T result = mapper.ContainsLazyChild
? (T)Proxy.CreateClassProxy(typeof(T), new LazyValueLoadInterceptor(mapper, LoadLazy))
: FunctionFactory.Remote.CreateInstance <T>();
foreach (IMapper map in mapper.PropertiesMapping)
{
if (map is IObjectMapper && (map as IObjectMapper).IsLazy)
{
continue;
}
if (!(map.DataReaderIndex < datareader.FieldCount))
{
continue;
}
if (!datareader.IsDBNull(map.DataReaderIndex))
{
if (map is ValueMapper)
{
object value = datareader.GetValue(map.DataReaderIndex);
map.Setter(result, value);
}
else if (map is FullObjectMapper)
{
object fillObject = FillObject((FullObjectMapper)map, datareader);
map.Setter(result, fillObject);
}
if (map is CollectionFullObjectMapper)
{
object collectionInstance =
Activator.CreateInstance((map as CollectionFullObjectMapper).PropertyCollectionType);
map.Setter(result, collectionInstance);
object fillObject = FillObject((CollectionFullObjectMapper)map, datareader);
((IList)collectionInstance).Add(fillObject);
}
}
}
return(result);
}
public IMapper GetObjectMapper(IObjectMapper mapper, ref int startIndex)
{
Type mapperType = mapper.PropertyType;
var objectMappers = new List <IObjectMapper>();
TableDescription tableDescription = GetTableDescription(mapperType);
lock (_setterHandlersLock)
{
if (!_settersHandlers.ContainsKey(mapperType))
{
_settersHandlers.Add(mapperType, new Dictionary <string, SetHandler>());
}
if (!_gettersHandlers.ContainsKey(mapperType))
{
_gettersHandlers.Add(mapperType, new Dictionary <string, GetHandler>());
}
}
PropertyInfo[] properties = mapperType.GetProperties();
PropertyInfo primaryKeyPropInfo = null;
foreach (PropertyInfo prop in properties)
{
// Setters
lock (_setterHandlersLock)
{
if (!_settersHandlers[mapper.PropertyType].ContainsKey(prop.Name))
{
SetHandler setHandler = FunctionFactory.Il.CreateSetHandler(mapper.PropertyType, prop);
_settersHandlers[mapper.PropertyType].Add(prop.Name, setHandler /* IL.Setter*/);
}
}
object[] pkFields = prop.GetCustomAttributes(typeof(PrimaryKeyAttribute), true);
if (pkFields.Length > 0)
{
primaryKeyPropInfo = prop;
}
}
foreach (PropertyInfo prop in properties)
{
bool isLazy = false;
if (!_ignoreLazyLoad)
{
object[] lazy = prop.GetCustomAttributes(typeof(LazyInstanceAttribute), true);
if (lazy.Length > 0)
{
if (((LazyInstanceAttribute)lazy[0]).IsLazy)
{
isLazy = true;
mapper.ContainsLazyChild = true;
// Getters
lock (_setterHandlersLock)
if (!_gettersHandlers[mapperType].ContainsKey(primaryKeyPropInfo.Name))
{
GetHandler getHandler = FunctionFactory.Il.CreateGetHandler(mapperType,
primaryKeyPropInfo);
_gettersHandlers[mapperType].Add(primaryKeyPropInfo.Name, getHandler);
}
}
}
}
// Check if the accessor is an association
object[] associationAttr = prop.GetCustomAttributes(typeof(AssociationAttribute), true);
if (associationAttr.Length > 0)
{
if (associationAttr.Length > 1)
{
throw new Exception("AssociationAttribute is used several times on the property " + prop.Name);
}
var ass = (AssociationAttribute)associationAttr[0];
// Getters for IObjectMapper
lock (_setterHandlersLock)
if (!_gettersHandlers[mapperType].ContainsKey(prop.Name))
{
GetHandler getHandler = FunctionFactory.Il.CreateGetHandler(mapperType, prop);
_gettersHandlers[mapperType].Add(prop.Name, getHandler);
}
bool isCollection = prop.PropertyType.GetInterfaces().ToList().Contains(typeof(IList));
IObjectMapper propertiesMapping;
if (!isCollection)
{
propertiesMapping = new FullObjectMapper
{
PropertyType = prop.PropertyType,
IsNullable = ass.CanBeNull
};
}
else
{
Type listElementType = GetGenericType(prop.PropertyType);
TableDescription colElementTableDescription = GetTableDescription(listElementType);
propertiesMapping = new CollectionFullObjectMapper
{
PropertyType = listElementType,
Getter = _gettersHandlers[mapperType][prop.Name],
TableName = colElementTableDescription.TableName,
PropertyCollectionType = prop.PropertyType,
};
(mapper as FullObjectMapper).ColParent = true;
}
propertiesMapping.PropertyName = prop.Name;
propertiesMapping.IsLazy = isLazy;
propertiesMapping.Setter = _settersHandlers[mapperType][prop.Name];
if (propertiesMapping.IsLazy)
{
propertiesMapping.ParentKeyGetter = _gettersHandlers[mapperType][primaryKeyPropInfo.Name];
}
objectMappers.Add(propertiesMapping);
}
else
{
object[] nomapAttr = prop.GetCustomAttributes(typeof(NoMapAttribute), true);
if (nomapAttr.Length > 0)
{
continue;
}
object[] mapFields = prop.GetCustomAttributes(typeof(MapFieldAttribute), true);
if (mapFields.Length > 1)
{
throw new Exception("AssociationAttribute is used several times on the property " + prop.Name);
}
var map = new ValueMapper
{
PropertyName = prop.Name,
PropertyType = prop.PropertyType,
DataReaderIndex = startIndex,
Setter = _settersHandlers[mapperType][prop.Name],
TableName = tableDescription.TableName,
/* Optimize with Provider.BuildTableName */
ColumnName =
mapFields.Length > 0 ? ((MapFieldAttribute)mapFields[0]).MapName : prop.Name
};
mapper.PropertiesMapping.Add(map);
object[] pkFields = prop.GetCustomAttributes(typeof(PrimaryKeyAttribute), true);
if (pkFields.Length > 1)
{
throw new Exception("PrimaryKeyAttribute is used several times on the property " + prop.Name);
}
if (pkFields.Length == 1)
{
mapper.DataReaderIndex = startIndex;
}
startIndex++;
}
}
foreach (IObjectMapper objMap in objectMappers)
{
IObjectMapper cel = mapper;
while (cel != null)
{
if (mapper.PropertyType == objMap.PropertyType)
{
continue;
}
cel = (IObjectMapper)cel.ParentMapping;
}
objMap.ParentMapping = mapper;
mapper.PropertiesMapping.Add(GetObjectMapper(objMap, ref startIndex));
//TODO startIndex++ ??? If we dont show the association column, dont increase the index
}
return(mapper);
}
protected void AddWherePK(DbManager db, SqlQueryInfo query, StringBuilder sb, int nParameter, FullObjectMapper mapper)
{
sb.Append("WHERE\n");
foreach (IMapper mm in mapper.PropertiesMapping)
{
if (mm is ValueMapper && mm.DataReaderIndex == mapper.DataReaderIndex)
{
var valueMapper = (ValueMapper) mm;
string tableAlias = mapper.PropertyType.Name;
//mm.Name = ID_TRACK
SqlQueryParameterInfo p = query.AddParameter(
db.DataProvider.Convert(valueMapper.ColumnName + "_W", ConvertType.NameToQueryParameter).
ToString(),
valueMapper.ColumnName);
sb.AppendFormat("\t{0}.{1} = ", "T" /* tableAlias */,
db.DataProvider.Convert(p.FieldName, ConvertType.NameToQueryField));
if (nParameter < 0)
sb.AppendFormat("{0} AND\n", p.ParameterName);
else
sb.AppendFormat("{{{0}}} AND\n", nParameter++);
}
}
sb.Remove(sb.Length - 5, 5);
}
private IMapper GetObjectMapper(IObjectMapper mapper, ref int startIndex, TypeAccessor akTypeAccessor)
{
//Todo: Remove this Call!
_extension = TypeExtension.GetTypeExtension(mapper.PropertyType /*_typeAccessor.OriginalType*/, MappingSchema.Extensions);
Type mapperType = mapper.PropertyType;
var objectMappers = new List<IObjectMapper>();
TableDescription tableDescription = GetTableDescription(mapperType);
lock (SetterHandlersLock)
{
if (!SettersHandlers.ContainsKey(mapperType))
SettersHandlers.Add(mapperType, new Dictionary<string, SetHandler>());
if (!GettersHandlers.ContainsKey(mapperType))
GettersHandlers.Add(mapperType, new Dictionary<string, GetHandler>());
}
PropertyInfo[] properties = mapperType.GetProperties();
MemberAccessor primaryKeyMemberAccessor = null;
foreach (MemberAccessor ma in akTypeAccessor)
{
// Setters
lock (SetterHandlersLock)
{
if (!SettersHandlers[mapper.PropertyType].ContainsKey(ma.Name))
{
SettersHandlers[mapper.PropertyType].Add(ma.Name, ma.SetValue);
}
}
if (GetPrimaryKey(ma) != null)
{
primaryKeyMemberAccessor = ma;
lock (SetterHandlersLock)
{
if (!GettersHandlers[mapperType].ContainsKey(ma.Name))
{
GettersHandlers[mapperType].Add(ma.Name, ma.GetValue);
}
}
mapper.PrimaryKeyValueGetters.Add(GettersHandlers[mapperType][ma.Name]);
mapper.PrimaryKeyNames.Add(ma.Name);
if (mapper.Association != null && (mapper.Association.OtherKey == null || mapper.Association.OtherKey.Length == 0))
{
mapper.Association.OtherKey = new[] {ma.Name};
}
}
}
if (primaryKeyMemberAccessor == null)
throw new Exception("PrimaryKey attribute not found on type: " + mapperType);
foreach (PropertyInfo prop in properties)
{
var ma = akTypeAccessor.First(x => x.Name == prop.Name);
// Check if the accessor is an association
var association = GetAssociation(ma);
if (association != null)
{
// Getters for IObjectMapper
lock (SetterHandlersLock)
if (!GettersHandlers[mapperType].ContainsKey(prop.Name))
{
GettersHandlers[mapperType].Add(prop.Name, ma.GetValue);
}
bool isCollection = prop.PropertyType.GetInterfaces().ToList().Contains(typeof (IList));
IObjectMapper propertiesMapping;
if (!isCollection)
{
// TODO Generate this instance using the CreateObjectMapperInstance method of fullMappingSchema
// _db.MappingSchema.CreateObjectMapperInstance(prop.PropertyType)
propertiesMapping = new FullObjectMapper(_db, _ignoreLazyLoad, _factoryType)
{
PropertyType = prop.PropertyType,
IsNullable = association.CanBeNull,
Getter = GettersHandlers[mapperType][prop.Name],
};
}
else
{
Type listElementType = GetGenericType(prop.PropertyType);
TableDescription colElementTableDescription = GetTableDescription(listElementType);
// TODO Generate this instance using the CreateObjectMapperInstance method of fullMappingSchema
propertiesMapping = new CollectionFullObjectMapper(_db, _factoryType)
{
PropertyType = listElementType,
Getter = GettersHandlers[mapperType][prop.Name],
TableName = colElementTableDescription.TableName,
PropertyCollectionType = prop.PropertyType,
};
if (mapper is FullObjectMapper)
((FullObjectMapper) mapper).ColParent = true;
}
if (association.ThisKey == null || association.ThisKey.Length == 0)
association.ThisKey = new[] {primaryKeyMemberAccessor.Name};
bool isLazy = false;
if (!_ignoreLazyLoad)
{
var lazy = GetLazyInstance(ma); // prop.GetCustomAttributes(typeof(LazyInstanceAttribute), true);
if (lazy)
{
isLazy = true;
mapper.ContainsLazyChild = true;
// Getters
lock (SetterHandlersLock)
if (!GettersHandlers[mapperType].ContainsKey(primaryKeyMemberAccessor.Name))
{
GettersHandlers[mapperType].Add(primaryKeyMemberAccessor.Name, primaryKeyMemberAccessor.GetValue);
}
}
}
propertiesMapping.Association = association;
propertiesMapping.PropertyName = prop.Name;
propertiesMapping.IsLazy = isLazy;
propertiesMapping.Setter = SettersHandlers[mapperType][prop.Name];
if (propertiesMapping.IsLazy)
{
propertiesMapping.ParentKeyGetter = GettersHandlers[mapperType][primaryKeyMemberAccessor.Name];
}
objectMappers.Add(propertiesMapping);
}
else
{
var mapIgnore = GetMapIgnore(ma);
if (mapIgnore)
continue;
var mapField = GetMapField(ma);
string columnName = mapField != null ? mapField.MapName : prop.Name;
var map = new ValueMapper
{
PropertyName = prop.Name,
PropertyType = prop.PropertyType,
DataReaderIndex = startIndex,
Setter = SettersHandlers[mapperType][prop.Name],
TableName = tableDescription.TableName,
ColumnName = columnName,
};
var mapColumnName = map.GetColumnName(columnName);
map.ColumnAlias = columnName == mapColumnName ? null : mapColumnName;
mapper.PropertiesMapping.Add(map);
var pkField = GetPrimaryKey(ma);
if (pkField != null)
mapper.DataReaderIndex = startIndex;
startIndex++;
}
}
foreach (IObjectMapper objMap in objectMappers)
{
#region Check mapping recursion
IObjectMapper cel = mapper;
while (cel != null)
{
if (mapper.PropertyType == objMap.PropertyType)
continue;
cel = (IObjectMapper) cel.ParentMapping;
}
#endregion
objMap.ParentMapping = mapper;
mapper.PropertiesMapping.Add(GetObjectMapper(objMap, ref startIndex, MappingSchema.GetObjectMapper(objMap.PropertyType).TypeAccessor));
}
return mapper;
}
private IMapper GetObjectMapper(IObjectMapper mapper, ref int startIndex, TypeAccessor akTypeAccessor)
{
//Todo: Remove this Call!
_extension = TypeExtension.GetTypeExtension(mapper.PropertyType /*_typeAccessor.OriginalType*/, MappingSchema.Extensions);
Type mapperType = mapper.PropertyType;
var objectMappers = new List <IObjectMapper>();
TableDescription tableDescription = GetTableDescription(mapperType);
lock (SetterHandlersLock)
{
if (!SettersHandlers.ContainsKey(mapperType))
{
SettersHandlers.Add(mapperType, new Dictionary <string, SetHandler>());
}
if (!GettersHandlers.ContainsKey(mapperType))
{
GettersHandlers.Add(mapperType, new Dictionary <string, GetHandler>());
}
}
PropertyInfo[] properties = mapperType.GetProperties();
MemberAccessor primaryKeyMemberAccessor = null;
foreach (MemberAccessor ma in akTypeAccessor)
{
// Setters
lock (SetterHandlersLock)
{
if (!SettersHandlers[mapper.PropertyType].ContainsKey(ma.Name))
{
SettersHandlers[mapper.PropertyType].Add(ma.Name, ma.SetValue);
}
}
if (GetPrimaryKey(ma) != null)
{
primaryKeyMemberAccessor = ma;
lock (SetterHandlersLock)
{
if (!GettersHandlers[mapperType].ContainsKey(ma.Name))
{
GettersHandlers[mapperType].Add(ma.Name, ma.GetValue);
}
}
mapper.PrimaryKeyValueGetters.Add(GettersHandlers[mapperType][ma.Name]);
mapper.PrimaryKeyNames.Add(ma.Name);
if (mapper.Association != null && (mapper.Association.OtherKey == null || mapper.Association.OtherKey.Length == 0))
{
mapper.Association.OtherKey = new[] { ma.Name };
}
}
}
if (primaryKeyMemberAccessor == null)
{
throw new Exception("PrimaryKey attribute not found on type: " + mapperType);
}
foreach (PropertyInfo prop in properties)
{
var ma = akTypeAccessor.First(x => x.Name == prop.Name);
// Check if the accessor is an association
var association = GetAssociation(ma);
if (association != null)
{
// Getters for IObjectMapper
lock (SetterHandlersLock)
if (!GettersHandlers[mapperType].ContainsKey(prop.Name))
{
GettersHandlers[mapperType].Add(prop.Name, ma.GetValue);
}
bool isCollection = prop.PropertyType.GetInterfaces().ToList().Contains(typeof(IList));
IObjectMapper propertiesMapping;
if (!isCollection)
{
// TODO Generate this instance using the CreateObjectMapperInstance method of fullMappingSchema
// _db.MappingSchema.CreateObjectMapperInstance(prop.PropertyType)
propertiesMapping = new FullObjectMapper(_db, _ignoreLazyLoad, _factoryType)
{
PropertyType = prop.PropertyType,
IsNullable = association.CanBeNull,
Getter = GettersHandlers[mapperType][prop.Name],
};
}
else
{
Type listElementType = GetGenericType(prop.PropertyType);
TableDescription colElementTableDescription = GetTableDescription(listElementType);
// TODO Generate this instance using the CreateObjectMapperInstance method of fullMappingSchema
propertiesMapping = new CollectionFullObjectMapper(_db, _factoryType)
{
PropertyType = listElementType,
Getter = GettersHandlers[mapperType][prop.Name],
TableName = colElementTableDescription.TableName,
PropertyCollectionType = prop.PropertyType,
};
if (mapper is FullObjectMapper)
{
((FullObjectMapper)mapper).ColParent = true;
}
}
if (association.ThisKey == null || association.ThisKey.Length == 0)
{
association.ThisKey = new[] { primaryKeyMemberAccessor.Name }
}
;
bool isLazy = false;
if (!_ignoreLazyLoad)
{
var lazy = GetLazyInstance(ma); // prop.GetCustomAttributes(typeof(LazyInstanceAttribute), true);
if (lazy)
{
isLazy = true;
mapper.ContainsLazyChild = true;
// Getters
lock (SetterHandlersLock)
if (!GettersHandlers[mapperType].ContainsKey(primaryKeyMemberAccessor.Name))
{
GettersHandlers[mapperType].Add(primaryKeyMemberAccessor.Name, primaryKeyMemberAccessor.GetValue);
}
}
}
propertiesMapping.Association = association;
propertiesMapping.PropertyName = prop.Name;
propertiesMapping.IsLazy = isLazy;
propertiesMapping.Setter = SettersHandlers[mapperType][prop.Name];
if (propertiesMapping.IsLazy)
{
propertiesMapping.ParentKeyGetter = GettersHandlers[mapperType][primaryKeyMemberAccessor.Name];
}
objectMappers.Add(propertiesMapping);
}
else
{
var mapIgnore = GetMapIgnore(ma);
if (mapIgnore)
{
continue;
}
var mapField = GetMapField(ma);
string columnName = mapField != null ? mapField.MapName : prop.Name;
var map = new ValueMapper
{
PropertyName = prop.Name,
PropertyType = prop.PropertyType,
DataReaderIndex = startIndex,
Setter = SettersHandlers[mapperType][prop.Name],
TableName = tableDescription.TableName,
ColumnName = columnName,
};
var mapColumnName = map.GetColumnName(columnName);
map.ColumnAlias = columnName == mapColumnName ? null : mapColumnName;
mapper.PropertiesMapping.Add(map);
var pkField = GetPrimaryKey(ma);
if (pkField != null)
{
mapper.DataReaderIndex = startIndex;
}
startIndex++;
}
}
foreach (IObjectMapper objMap in objectMappers)
{
#region Check mapping recursion
IObjectMapper cel = mapper;
while (cel != null)
{
if (mapper.PropertyType == objMap.PropertyType)
{
continue;
}
cel = (IObjectMapper)cel.ParentMapping;
}
#endregion
objMap.ParentMapping = mapper;
mapper.PropertiesMapping.Add(GetObjectMapper(objMap, ref startIndex, MappingSchema.GetObjectMapper(objMap.PropertyType).TypeAccessor));
}
return(mapper);
}
private IList internalMapDataReaderToList(
IDataReader reader,
IList list,
Type destObjectType,
params object[] parameters)
{
FullObjectMapper mapper = (FullObjectMapper)GetObjectMapper(destObjectType);
InitSchema(reader);
object currentItem = null;
List <int> pkIndexes = new List <int>();
foreach (var nm in mapper.PrimaryKeyNames)
{
pkIndexes.Add(mapper.PropertiesMapping.First(x => x.PropertyName == nm).DataReaderIndex);
}
while (reader.Read())
{
var result = mapper.CreateInstance();
FillObject(mapper, reader, result);
if (currentItem == null)
{
currentItem = result;
list.Add(result);
continue;
}
bool pkIsNull = false;
bool allPksEqual = true;
//This is needed, because DBValue can be Null, but the Field can be Guid, wich then is filled with Guid.Empty and this is also a valid value!
foreach (var pkIndex in pkIndexes)
{
var dbValue = reader.GetValue(pkIndex);
if (dbValue == DBNull.Value)
{
pkIsNull = true;
break;
}
}
if (!pkIsNull)
{
foreach (var pkGetter in mapper.PrimaryKeyValueGetters)
{
object resultPk = pkGetter.Invoke(result);
object currentItemPk = pkGetter.Invoke(currentItem);
if (!resultPk.Equals(currentItemPk))
{
allPksEqual = false;
break;
}
}
}
if (!pkIsNull && !allPksEqual)
{
currentItem = result;
list.Add(result);
//continue;
}
if (mapper.ColParent)
{
FillObject(currentItem, mapper, reader);
}
}
return(list);
}
