private void InitialRelationField()
{
PropertyInfo[] propertys = ObjectTypeInfo.GetProperties(BindingFlags.Public | BindingFlags.Instance);
List <CollectionRelationFieldMapping> collectionTmpList = new List <CollectionRelationFieldMapping>();
List <SingleRelationFieldMapping> singleTmpList = new List <SingleRelationFieldMapping>();
foreach (PropertyInfo pi in propertys)
{
RelationFieldMapConfig config = MapperConfigManager.LoadRelationDataFieldConfig(ObjectType, pi);
if (config != null && config.RelationKeyCount > 0)
{
Type type = pi.PropertyType;
TypeInfo typeInfo = type.GetTypeInfo();
if (typeInfo.IsGenericType)
{
Type frameType = type.GetGenericTypeDefinition();
if (frameType == LCollectionFrameType || frameType.FullName == "System.Collections.Generic.ICollection`1")
{
Type[] arguments = typeInfo.GetGenericArguments();
type = arguments[0];
PropertyHandler handler = new PropertyHandler(pi);
RelationKey[] keypairs = config.GetRelationKeys();
CollectionRelationFieldMapping rmapping = new CollectionRelationFieldMapping(pi.Name, this, type, keypairs, handler);
collectionTmpList.Add(rmapping);
}
}
else
{
PropertyHandler handler = new PropertyHandler(pi);
RelationKey[] keypairs = config.GetRelationKeys();
SingleRelationFieldMapping rmapping = new SingleRelationFieldMapping(pi.Name, this, type, keypairs, handler);
singleTmpList.Add(rmapping);
}
}
}
_collectionRelationFields = new ReadOnlyCollection <CollectionRelationFieldMapping>(collectionTmpList);
_singleRelationFields = new ReadOnlyCollection <SingleRelationFieldMapping>(singleTmpList);
}
protected BaseRelationFieldMapping(string fieldName, DataEntityMapping mapping, Type relateType, RelationKey [] keyPairs, PropertyHandler handler)
{
if (fieldName == null)
{
throw new ArgumentNullException(nameof(fieldName));
}
if (mapping == null)
{
throw new ArgumentNullException(nameof(mapping));
}
if (relateType == null)
{
throw new ArgumentNullException(nameof(relateType));
}
if (keyPairs == null || keyPairs.Length == 0)
{
throw new ArgumentNullException(nameof(keyPairs));
}
if (handler == null)
{
throw new ArgumentNullException(nameof(handler));
}
this.fieldName = fieldName;
this.masterEntityMapping = mapping;
this.relateType = relateType;
this.keyPairs = keyPairs;
this.handler = handler;
this.masterFieldMappings = new DataFieldMapping [keyPairs.Length];
this.masterInfos = new DataFieldInfo [keyPairs.Length];
for (int i = 0; i < keyPairs.Length; i++)
{
DataFieldMapping field = mapping.FindDataEntityField(keyPairs [i].MasterKey);
if (field == null)
{
throw new LightDataException(string.Format(SR.CanNotFindTheSpecifiedField, mapping.ObjectType, keyPairs[i].MasterKey));
}
this.masterFieldMappings [i] = field;
this.masterInfos [i] = new DataFieldInfo(field);
}
}
public CollectionRelationFieldMapping(string fieldName, DataEntityMapping mapping, Type relateType, RelationKey[] keyPairs, PropertyHandler handler)
: base(fieldName, mapping, relateType, keyPairs, handler)
{
}