private IList <N> DoSelect <N>(Entity entity, Type groupComponentType) where N : Node
{
ICollection <Entity> is2;
GroupComponent componentUnsafe = (GroupComponent)((EntityUnsafe)entity).GetComponentUnsafe(groupComponentType);
if (componentUnsafe == null)
{
return(Collections.EmptyList <N>());
}
NodeClassInstanceDescription orCreateNodeClassDescription = NodeDescriptionRegistry.GetOrCreateNodeClassDescription(typeof(N), null);
NodeDescriptionRegistry.AssertRegister(orCreateNodeClassDescription.NodeDescription);
return(((is2 = componentUnsafe.GetGroupMembers(orCreateNodeClassDescription.NodeDescription)).Count != 0) ? ((is2.Count != 1) ? ((IList <N>) this.ConvertNodeCollection(orCreateNodeClassDescription, is2)) : Collections.SingletonList <N>((N)this.GetNode(Collections.GetOnlyElement <Entity>(is2), orCreateNodeClassDescription))) : Collections.EmptyList <N>());
}
public void AddState <T>() where T : Node, new()
{
Type key = typeof(T);
if (this.entityStates.ContainsKey(key))
{
throw new EntityStateAlreadyRegisteredException(key);
}
EntityState state = new EntityState(key, NodeDescriptionRegistry.GetOrCreateNodeClassDescription(key, null).NodeDescription);
if (this.entity != null)
{
state.Entity = this.entity;
}
this.entityStates[key] = state;
}
private static HandlerArgument CreateNodeType(int position, Type type, Optional <JoinType> join, Optional <JoinType> rightJoin, object[] annotatedTypes, bool isNodeChangeHandler)
{
Type nodeType = GetNodeType(type);
if (nodeType == null)
{
return(null);
}
HashSet <Type> components = new HashSet <Type>();
bool context = IsContextNode(annotatedTypes, join);
if (isNodeChangeHandler && context)
{
CollectGroupComponent(join, components);
CollectGroupComponent(rightJoin, components);
}
NodeClassInstanceDescription orCreateNodeClassDescription = NodeDescriptionRegistry.GetOrCreateNodeClassDescription(nodeType, components);
return(new HandlerArgumentBuilder().SetPosition(position).SetType(type).SetJoinType(join).SetContext(context).SetCollection(IsCollection(type)).SetNodeClassInstanceDescription(orCreateNodeClassDescription).SetMandatory(IsMandatory(annotatedTypes)).SetCombine(IsCombine(annotatedTypes)).SetOptional(IsOptional(type)).Build());
}
private bool CheckNodeIsActual(Node node)
{
NodeClassInstanceDescription orCreateNodeClassDescription = NodeDescriptionRegistry.GetOrCreateNodeClassDescription(node.GetType(), null);
return(((EntityImpl)node.Entity).NodeDescriptionStorage.Contains(orCreateNodeClassDescription.NodeDescription));
}