private DatabaseEntityPropertyDef CreatePropertyDef(DatabaseEntityDef modelDef, PropertyInfo info)
{
DatabaseEntityPropertyDef propertyDef = new DatabaseEntityPropertyDef();
#region 自身
propertyDef.EntityDef = modelDef;
propertyDef.PropertyName = info.Name;
propertyDef.PropertyType = info.PropertyType;
propertyDef.GetMethod = info.GetGetMethod();
propertyDef.SetMethod = info.GetSetMethod();
#endregion
#region 数据库
IEnumerable <Attribute> propertyAttrs = info.GetCustomAttributes(typeof(EntityPropertyAttribute), false).Select(o => (Attribute)o);
if (propertyAttrs != null && propertyAttrs.Count() > 0)
{
EntityPropertyAttribute propertyAttr = propertyAttrs.ElementAt(0) as EntityPropertyAttribute;
propertyDef.IsTableProperty = true;
propertyDef.IsNullable = !propertyAttr.NotNull;
propertyDef.IsUnique = propertyAttr.Unique;
propertyDef.DbLength = propertyAttr.Length > 0 ? (int?)propertyAttr.Length : null;
propertyDef.IsLengthFixed = propertyAttr.FixedLength;
propertyDef.DbDefaultValue = ValueConverter.TypeValueToDbValue(propertyAttr.DefaultValue);
propertyDef.DbDescription = propertyAttr.Description;
if (propertyAttr.ConverterType != null)
{
propertyDef.TypeConverter = _typeConverterFactory.GetTypeConverter(propertyAttr.ConverterType);
}
}
//判断是否是主键
IEnumerable <Attribute> atts1 = info.GetCustomAttributes(typeof(AutoIncrementPrimaryKeyAttribute), false).Select <object, Attribute>(o => (Attribute)o);
if (atts1 != null && atts1.Count() > 0)
{
propertyDef.IsTableProperty = true;
propertyDef.IsAutoIncrementPrimaryKey = true;
propertyDef.IsNullable = false;
propertyDef.IsForeignKey = false;
propertyDef.IsUnique = true;
}
else
{
//判断是否外键
IEnumerable <Attribute> atts2 = info.GetCustomAttributes(typeof(ForeignKeyAttribute), false).Select <object, Attribute>(o => (Attribute)o);
if (atts2 != null && atts2.Count() > 0)
{
propertyDef.IsTableProperty = true;
propertyDef.IsAutoIncrementPrimaryKey = false;
propertyDef.IsForeignKey = true;
//propertyDef.IsNullable = false;
propertyDef.IsUnique = false;
}
}
if (propertyDef.IsTableProperty)
{
propertyDef.DbReservedName = _databaseEngine.GetReservedStatement(propertyDef.PropertyName);
propertyDef.DbParameterizedName = _databaseEngine.GetParameterizedStatement(propertyDef.PropertyName);
if (propertyDef.TypeConverter != null)
{
propertyDef.DbFieldType = propertyDef.TypeConverter.TypeToDbType(propertyDef.PropertyType);
}
else
{
propertyDef.DbFieldType = _databaseEngine.GetDbType(propertyDef.PropertyType);
}
}
#endregion
return(propertyDef);
}
