private void UpdateAtomicCompositionQueryForPartInHashSet(
AtomicComposition atomicComposition,
HashSet <ComposablePartDefinition> hashset,
AtomicCompositionQueryState state)
{
PartQueryStateNode previousNode = GetPartQueryStateNode(atomicComposition);
atomicComposition.SetValue(this, new PartInHashSetQueryStateNode(hashset, previousNode, state));
}
private void UpdateAtomicCompositionQueryForPartEquals(
AtomicComposition atomicComposition,
ComposablePartDefinition part,
AtomicCompositionQueryState state)
{
PartQueryStateNode previousNode = GetPartQueryStateNode(atomicComposition);
atomicComposition.SetValue(this, new PartEqualsQueryStateNode(part, previousNode, state));
}
private AtomicCompositionQueryState QueryPartState(AtomicComposition atomicComposition, ComposablePartDefinition definition)
{
PartQueryStateNode node = GetPartQueryStateNode(atomicComposition);
if (node == null)
{
return(AtomicCompositionQueryState.Unknown);
}
else
{
return(node.GetQueryState(definition));
}
}
public AtomicCompositionQueryState GetQueryState(ComposablePartDefinition definition)
{
int hashCode = definition.GetHashCode();
PartQueryStateNode node = this;
do
{
if (node.IsMatchingDefinition(definition, hashCode))
{
return(node._state);
}
node = node._previousNode;
}while (node != null);
return(AtomicCompositionQueryState.Unknown);
}
protected PartQueryStateNode(PartQueryStateNode previousNode, AtomicCompositionQueryState state)
{
_previousNode = previousNode;
_state = state;
}
public PartInHashSetQueryStateNode(HashSet <ComposablePartDefinition> parts, PartQueryStateNode previousNode, AtomicCompositionQueryState state) :
base(previousNode, state)
{
_parts = parts;
}
public PartEqualsQueryStateNode(ComposablePartDefinition part, PartQueryStateNode previousNode, AtomicCompositionQueryState state) :
base(previousNode, state)
{
_part = part;
_hashCode = part.GetHashCode();
}