private void ExpandProperty(PropertyInfo p)
{
if (p.PropertyType.IsValueType || p.PropertyType == typeof(string))
{
return;
}
string name = p.Name + "Reference";
PropertyInfo px = p.DeclaringType.GetProperty(name);
if (px == null)
{
return;
}
ExpressionResult currentItem = ExpressionStack.Pop();
IRelatedEnd end = px.GetValue(currentItem.Result, null) as IRelatedEnd;
end.Load();
object propertyValue = p.GetValue(currentItem.Result, null);
if (ExpressionStack.Count > 0)
{
ExpressionStack.Peek().Result = propertyValue;
}
}
private static IEnumerable <TEntity> ExtractValues <TEntity>(IRelatedEnd relatedEnd)
where TEntity : class
{
if (!relatedEnd.IsLoaded)
{
relatedEnd.Load();
}
if (relatedEnd is IEnumerable enumerable)
{
return(ExtractCollection <TEntity>(enumerable));
}
else
{
return(ExtractSingle <TEntity>(relatedEnd));
}
}
private void AttachRelationOneEntity(FBEntity entity, IRelatedEnd re)
{
//Type t = re.GetType();
//Type eType = t.GetGenericArguments()[0];
if (re.IsLoaded)
{
return;
}
re.Load();
//RelationOneEntity rOneE = new RelationOneEntity();
//rOneE.EntityType= eType.Name;
//rOneE.RelationshipName = re.RelationshipName;
//rOneE.PropertyName = re.TargetRoleName;
//entity.ReferencedEntity.Add(rOneE);
//foreach (var item in re)
//{
// FBEntity tempEntity = new FBEntity();
// tempEntity.Entity = item as EntityObject;
// rOneE.FBEntity = tempEntity;
// // re.Remove(item as IEntityWithRelationships);
//}
}
private void AttachRelationManyEntity(FBEntity entity, IRelatedEnd re)
{
Type t = re.GetType();
Type eType = t.GetGenericArguments()[0];
if (!re.IsLoaded)
{
re.Load();
}
RelationManyEntity rManyE = new RelationManyEntity();
rManyE.EntityType = eType.Name;
rManyE.RelationshipName = re.RelationshipName;
rManyE.PropertyName = re.TargetRoleName;
entity.CollectionEntity.Add(rManyE);
foreach (var item in re)
{
FBEntity tempEntity = new FBEntity();
tempEntity.Entity = item as EntityObject;
rManyE.FBEntities.Add(tempEntity);
}
//rManyE.FBEntities.ForEach(item =>
// {
// try
// {
// IEntityWithRelationships ie = item.Entity as IEntityWithRelationships;
// re.Remove(ie);
// }
// catch (Exception ex)
// {
// }
// });
}
private void AttachRelationManyEntity(FBEntity entity, IRelatedEnd re)
{
Type t = re.GetType();
Type eType = t.GetGenericArguments()[0];
if (!re.IsLoaded) re.Load();
RelationManyEntity rManyE = new RelationManyEntity();
rManyE.EntityType = eType.Name;
rManyE.RelationshipName = re.RelationshipName;
rManyE.PropertyName = re.TargetRoleName;
entity.CollectionEntity.Add(rManyE);
foreach (var item in re)
{
FBEntity tempEntity = new FBEntity();
tempEntity.Entity = item as EntityObject;
rManyE.FBEntities.Add(tempEntity);
}
//rManyE.FBEntities.ForEach(item =>
// {
// try
// {
// IEntityWithRelationships ie = item.Entity as IEntityWithRelationships;
// re.Remove(ie);
// }
// catch (Exception ex)
// {
// }
// });
}
private void AttachRelationOneEntity(FBEntity entity, IRelatedEnd re)
{
//Type t = re.GetType();
//Type eType = t.GetGenericArguments()[0];
if (re.IsLoaded) return;
re.Load();
//RelationOneEntity rOneE = new RelationOneEntity();
//rOneE.EntityType= eType.Name;
//rOneE.RelationshipName = re.RelationshipName;
//rOneE.PropertyName = re.TargetRoleName;
//entity.ReferencedEntity.Add(rOneE);
//foreach (var item in re)
//{
// FBEntity tempEntity = new FBEntity();
// tempEntity.Entity = item as EntityObject;
// rOneE.FBEntity = tempEntity;
// // re.Remove(item as IEntityWithRelationships);
//}
}
/// <summary>
/// Calls Load on the underlying <see cref="IRelatedEnd" />.
/// </summary>
public virtual void Load()
{
ValidateNotDetached("Load");
_relatedEnd.Load();
}
