private void InitializeMapping()
{
if (_mappingInfoContainer == null)
{
_mappingInfoContainer = TypeMapping.GetMappingInfo(_mappingOptionSet.GetTypeMappingOptions(typeof(T)));
_dbWorker = new DataBaseWorker(_connectionString, this);
_cache = new WeakCache(_mappingInfoContainer.LoadBehavior == LoadBehavior.OnFirstAccessFullLoad);
}
}
public void InitializeDatabase(Action <IDatabaseInitializer> initFunc = null)
{
DataBaseInitializer initializer = _databaseProvider.GetDatabaseInitializer(_connectionString);
initFunc?.Invoke(initializer);
IEnumerable <Type> GetTypesOrderedCorrectly(IEnumerable <Type> types)
{
List <Type> typesList = types.ToList();
while (typesList.Count > 0)
{
for (int i = 0; i < typesList.Count; i++)
{
TypeMappingOptions typeMappingOptions = _mappingOptionsSet.GetTypeMappingOptions(typesList[i]);
if (!typeMappingOptions.MemberMappingOptions.OfType <ForeignObjectMappingOptions>()
.Where(x => typesList.Contains(x.ForeignObjectType))
.Any())
{
yield return(typesList[i]);
typesList.RemoveAt(i);
}
}
}
}
foreach (Type type in GetTypesOrderedCorrectly(_relationalObjectProvider.Keys))
{
TypeMappingOptions typeMappingOptions = _mappingOptionsSet.GetTypeMappingOptions(type);
initializer.AddTable(typeMappingOptions.TableName);
foreach (FieldMappingOptions memberMappineOptions in typeMappingOptions.MemberMappingOptions.OfType <FieldMappingOptions>().OrderBy(x => x.IsPrimaryKey))
{
if (memberMappineOptions.Type == MappingType.ReferenceListMapping)
{
continue;
}
if (memberMappineOptions is ForeignObjectMappingOptions foreignObjectMappingOptions)
{
initializer.AddField(foreignObjectMappingOptions.DatabaseFieldName, foreignObjectMappingOptions.KeyType);
FieldMappingOptions foreignFieldMappingOptions = foreignObjectMappingOptions.ForeignMember as FieldMappingOptions;
TypeMappingOptions foreignTypeMappingOptions = _mappingOptionsSet.GetTypeMappingOptions(foreignObjectMappingOptions.ForeignObjectType);
IEnumerable <ReferenceListMappingOptions> referenceListMappingOptions =
foreignTypeMappingOptions.MemberMappingOptions.OfType <ReferenceListMappingOptions>()
.Where(x => x.ForeignProperty == foreignObjectMappingOptions.Member);
initializer.AddForeignKey(
foreignTypeMappingOptions.TableName,
foreignFieldMappingOptions.DatabaseFieldName,
referenceListMappingOptions.Any(x => x.DeleteCascade));
}
else
{
initializer.AddField(memberMappineOptions.DatabaseFieldName, memberMappineOptions.Member.PropertyType);
}
if (memberMappineOptions.IsPrimaryKey)
{
initializer.SetIsKeyField(memberMappineOptions.IsReadonly);
}
}
}
initializer.Flush();
}