public Conventions(Func <Type, Action <IIdMapper> > idMapper = null)
{
_entitiesToMap = new List <Type>();
var lazyRelation = Enum.TryParse(ConfigurationManager.AppSettings["NhConventions:DefaultLazyRelation"],
out HbmLaziness parsed)
? parsed
: (HbmLaziness?)null;
_defaultLazyRelation = lazyRelation.HasValue
? lazyRelation == HbmLaziness.NoProxy
? LazyRelation.NoProxy
: lazyRelation == HbmLaziness.Proxy
? LazyRelation.Proxy
: LazyRelation.NoLazy
: null;
_idMapper = idMapper ?? (t =>
{
if (t == typeof(Int64) || t == typeof(int))
{
return(id =>
{
id.Generator(NHGens.HighLow, g => g.Params(new { table = "Frwk_HiLoSequences", sequence = "FrameworkSequence", column = "NextValue", max_lo = "100" }));
});
}
else if (t == typeof(Guid))
{
return(id =>
{
id.Generator(new GuidAssignedGeneratorDef());
});
}
return(null);
});
_defaultMapper = new ModelMapperWithNamingConventions();
DefaultModelInspector = _defaultMapper.ModelInspector;
}
public void Compile(NHcfg.Configuration configuration)
{
var mapper = new ModelMapperWithNamingConventions();
mapper.IsEntity((type, declared) => MappingHelper.IsEntity(type));
mapper.IsRootEntity((type, declared) => MappingHelper.IsRootEntity(type));
mapper.IsTablePerClass((type, declared) =>
{
var discriminator = MappingHelper.GetDiscriminatorColumn(type);
return(string.IsNullOrWhiteSpace(discriminator));
});
mapper.IsTablePerClassHierarchy((type, declared) =>
{
var discriminator = MappingHelper.GetDiscriminatorColumn(type);
return(!string.IsNullOrWhiteSpace(discriminator));
});
mapper.IsTablePerConcreteClass((type, declared) => false);
mapper.IsOneToMany((mi, declared) =>
{
if (Attribute.IsDefined(mi, (typeof(ManyToManyAttribute))))
{
return(false);
}
return(declared || _defaultMapper.ModelInspector.IsOneToMany(mi));
});
mapper.IsManyToMany((mi, declared) =>
{
if (Attribute.IsDefined(mi, (typeof(ManyToManyAttribute))))
{
return(true);
}
return(declared || _defaultMapper.ModelInspector.IsManyToAny(mi));
});
mapper.IsPersistentProperty((mi, declared) =>
{
if (!NhMappingHelper.IsPersistentProperty(mi))
{
return(false);
}
return(_defaultMapper.ModelInspector.IsPersistentProperty(mi));
});
mapper.BeforeMapSubclass += (modelInspector, type, subclassCustomizer) =>
{
var discriminatorValue = MappingHelper.GetDiscriminatorValue(type);
subclassCustomizer.DiscriminatorValue(discriminatorValue);
var joinPropAttribute = type.GetAttribute <JoinedPropertyAttribute>();
if (joinPropAttribute != null)
{
if (string.IsNullOrWhiteSpace(joinPropAttribute.TableName))
{
throw new Exception($"{nameof(JoinedPropertyAttribute.TableName)} is mandatory for `{joinPropAttribute.GetType().Name}`, check class `{type.FullName}`");
}
if (subclassCustomizer is NMIMPL.SubclassMapper subclassMapper)
{
// add join with provided table name, all properties will be added using current conventions and placed to the corresponding group using SplitGroupId = TableName
subclassMapper.Join(joinPropAttribute.TableName, j =>
{
j.Table(joinPropAttribute.TableName);
j.Fetch(FetchKind.Join);
j.Key(k =>
{
k.Column("Id");
});
});
}
}
};
mapper.SplitsFor((type, definedSplits) =>
{
var splits = definedSplits.ToList();
if (type.Name.Contains("TestProcessConfiguration"))
{
}
var joinPropAttribute = type.GetAttribute <JoinedPropertyAttribute>();
if (joinPropAttribute != null && !splits.Contains(joinPropAttribute.TableName))
{
splits.Add(joinPropAttribute.TableName);
}
return(splits);
});
mapper.IsTablePerClassSplit((definition, b) => true);
mapper.BeforeMapElement += (modelInspector, member, collectionRelationElementCustomizer) =>
{
};
mapper.BeforeMapProperty += (modelInspector, member, propertyCustomizer) =>
{
var propertyType = member.LocalMember.GetPropertyOrFieldType();
var columnName = MappingHelper.GetColumnName(member.LocalMember);
string sqlType = null;
IType columnType = null;
if (propertyType == typeof(DateTime) || propertyType == typeof(DateTime?))
{
columnType = NHibernateUtil.DateTime;
sqlType = "DateTime";
}
else
if (member.LocalMember.GetAttribute <StringLengthAttribute>()?.MaximumLength == int.MaxValue)
//if (Attribute.IsDefined(member.LocalMember, (typeof(StringClobAttribute))))
{
columnType = NHibernateUtil.StringClob;
sqlType = "nvarchar(max)";
}
if (columnType != null)
{
propertyCustomizer.Type(columnType);
}
if (Attribute.GetCustomAttribute(member.LocalMember, typeof(ReadonlyPropertyAttribute), true) is ReadonlyPropertyAttribute readonlyAttribute)
{
propertyCustomizer.Insert(readonlyAttribute.Insert);
propertyCustomizer.Update(readonlyAttribute.Update);
}
propertyCustomizer.Column(c =>
{
c.Name(columnName);
if (!string.IsNullOrWhiteSpace(sqlType))
{
c.SqlType(sqlType);
}
});
};
mapper.IsPersistentId((mi, d) =>
{
var isId = mi.Name.Equals("Id", StringComparison.InvariantCultureIgnoreCase);
return(isId);
});
mapper.BeforeMapClass += (modelInspector, type, classCustomizer) =>
{
var tableName = MappingHelper.GetTableName(type);
classCustomizer.Table(tableName);
var imMutable = type.HasAttribute <ImMutableAttribute>(true);
if (imMutable)
{
classCustomizer.Mutable(false);
}
if (MappingHelper.IsEntity(type))
{
try
{
var idProp = type.GetProperty("Id");
if (idProp != null)
// note: Id may be missing when entity has hand-written mapping but isn't derived from EntityWithTypedId<> (for example: NhIdentityUserLogin)
{
if (tableName.StartsWith("Abp") && (idProp.PropertyType == typeof(Int64) || idProp.PropertyType == typeof(int)))
{
// temporary map `Abp` tables without hilo
classCustomizer.Id(p =>
{
p.Column("Id");
p.Generator(NHGens.Identity);
});
}
else
{
var idColumn = idProp.GetAttribute <ColumnAttribute>()?.Name ?? "Id";
// get Id mapper
var idMapper = _idMapper.Invoke(idProp.PropertyType);
if (idMapper != null)
{
classCustomizer.Id(p =>
{
idMapper.Invoke(p);
p.Column(idColumn);
});
}
}
}
else
{
}
}
catch (Exception e)
{
throw;
}
}
var discriminatorColumn = MappingHelper.GetDiscriminatorColumn(type);
if (!string.IsNullOrWhiteSpace(discriminatorColumn))
{
classCustomizer.Discriminator(d =>
{
d.Column(discriminatorColumn);
if (MappingHelper.GetFilterUnknownDiscriminatorsFlag(type))
{
d.Force(true);
}
});
var discriminatorValue = MappingHelper.GetDiscriminatorValue(type);
classCustomizer.DiscriminatorValue(discriminatorValue);
}
// IMayHaveTenant support
if (typeof(IMayHaveTenant).IsAssignableFrom(type))
{
classCustomizer.Filter("MayHaveTenant", m =>
{
});
}
// ISoftDelete support
if (typeof(ISoftDelete).IsAssignableFrom(type))
{
classCustomizer.Filter("SoftDelete", m =>
{
});
}
};
mapper.BeforeMapManyToOne += (modelInspector, propertyPath, map) =>
{
string columnPrefix = MappingHelper.GetColumnPrefix(propertyPath.LocalMember.DeclaringType);
var lazyAttribute = propertyPath.LocalMember.GetAttribute <LazyAttribute>(true);
var lazyRelation = lazyAttribute != null?lazyAttribute.GetLazyRelation() : _defaultLazyRelation;
if (lazyRelation != null)
{
map.Lazy(lazyRelation);
}
var foreignKeyAttribute = propertyPath.LocalMember.GetAttribute <ForeignKeyAttribute>(true);
var foreignKeyColumn = foreignKeyAttribute != null
? foreignKeyAttribute.Name
: columnPrefix + propertyPath.LocalMember.Name + "Id";
//map.NotFound(NotFoundMode.Ignore); disabled due to performance issues, this option breaks lazy loading
map.Column(foreignKeyColumn);
var directlyMappedFk = propertyPath.LocalMember.DeclaringType?.GetProperty(foreignKeyColumn);
if (foreignKeyColumn.ToLower() == "id" || directlyMappedFk != null)
{
map.Insert(false);
map.Update(false);
}
var cascadeAttribute = propertyPath.LocalMember.GetAttribute <CascadeAttribute>(true);
map.Cascade(cascadeAttribute?.Cascade ?? Cascade.Persist);
map.Class(propertyPath.LocalMember.GetPropertyOrFieldType());
};
mapper.BeforeMapBag += (modelInspector, propertyPath, map) => {
var inversePropertyAttribute = propertyPath.LocalMember.GetAttribute <InversePropertyAttribute>(true);
if (inversePropertyAttribute != null)
{
map.Key(keyMapper => keyMapper.Column(inversePropertyAttribute.Property));
}
else
{
map.Key(keyMapper => keyMapper.Column(propertyPath.GetContainerEntity(modelInspector).Name + "Id"));
}
map.Cascade(Cascade.All);
map.Lazy(CollectionLazy.Lazy);
var bagMapper = map as NMIMPL.BagMapper;
var manyToManyAttribute = propertyPath.LocalMember.GetAttribute <ManyToManyAttribute>(true);
if (manyToManyAttribute != null)
{
map.Cascade(Cascade.None);
if (!string.IsNullOrEmpty(manyToManyAttribute.Table))
{
map.Table(manyToManyAttribute.Table);
}
if (!string.IsNullOrEmpty(manyToManyAttribute.KeyColumn))
{
map.Key(keyMapper => keyMapper.Column(manyToManyAttribute.KeyColumn));
}
if (!string.IsNullOrEmpty(manyToManyAttribute.Where))
{
map.Where(manyToManyAttribute.Where);
}
if (!string.IsNullOrEmpty(manyToManyAttribute.OrderBy))
{
map.OrderBy(manyToManyAttribute.OrderBy);
}
}
else
{
if (bagMapper != null && typeof(ISoftDelete).IsAssignableFrom(bagMapper.ElementType))
{
//TODO: Check IsDeletedColumn for Many-To-Many
map.Where($"{SheshaDatabaseConsts.IsDeletedColumn} = 0");
}
}
};
mapper.BeforeMapManyToMany += (modelInspector, propertyPath, map) => {
//map.NotFound(NotFoundMode.Ignore); disabled due to performance issues, this option breaks lazy loading
var manyToManyAttribute = propertyPath.LocalMember.GetAttribute <ManyToManyAttribute>(true);
if (manyToManyAttribute != null)
{
if (!string.IsNullOrEmpty(manyToManyAttribute.ChildColumn))
{
map.Column(manyToManyAttribute.ChildColumn);
}
}
};
foreach (var assembly in _assemblies)
{
var allTypes = !assembly.IsDynamic
? assembly.GetExportedTypes()
: assembly.GetTypes();
var allEntities = allTypes.Where(t => MappingHelper.IsEntity(t)).ToList();
foreach (var entityType in allEntities)
{
var classMapping = configuration.GetClassMapping(entityType);
if (classMapping == null)
{
_entitiesToMap.Add(entityType);
}
}
var mappingOverride = allTypes.Where(t => IsClassMapping(t) && !t.IsAbstract).ToList();
foreach (var @override in mappingOverride)
{
try
{
var entityType = GetEntityTypeByMapping(@override);
if (entityType.IsEntityType())
{
_defaultMapper.AddMapping(@override);
mapper.AddMapping(@override);
if (entityType != null && !entityType.IsAbstract && !_entitiesToMap.Contains(entityType))
{
_entitiesToMap.Add(entityType);
}
}
}
catch (Exception e)
{
throw;
}
}
}
// sort entity types by hierarchy
_entitiesToMap = MappingHelper.SortEntityTypesByInheritance(_entitiesToMap);
/* for debug
* foreach (var ent in _entitiesToMap)
* {
* try
* {
* var mapping1 = mapper.CompileMappingFor(new List<Type> { ent });
* }
* catch (Exception e)
* {
* throw;
* }
* }
*/
HbmMapping mapping = mapper.CompileMappingFor(_entitiesToMap);
configuration.AddDeserializedMapping(mapping, "AutoMapping");
LastCompiledXml = mapping.AsString();
}
