/// <summary>
///
/// </summary>
/// <param name="node1"></param>
/// <param name="node2"></param>
/// <returns>
/// A list of elements directly connecting both the nodes.
/// If node1 is equal to node2 (i.e. they are the same nodes), then all the elements connected to that node will be returned.
/// </returns>
public IList <IFiniteElement> GetAllElementsDirectlyConnecting(IFiniteElementNode node1, IFiniteElementNode node2)
{
Guard.AgainstNullArgument(node1, "node1");
Guard.AgainstNullArgument(node2, "node2");
IList <IFiniteElement> connectingElements;
int currentValidHashForCache = this.GetHashCode();
ElementRepository.NodeTuple keyForCache = new ElementRepository.NodeTuple(node1, node2);
return(this.cacheConnectingElements.GetOrCreateAndSave(keyForCache, currentValidHashForCache,
() => {
IList <IFiniteElement> elementsConnectedToNode1 = this.GetAllElementsConnectedTo(node1);
if (node1.Equals(node2))
{
connectingElements = elementsConnectedToNode1;
}
else
{
IList <IFiniteElement> elementsConnectedToNode2 = this.GetAllElementsConnectedTo(node2);
connectingElements = elementsConnectedToNode1.Intersect(elementsConnectedToNode2).ToList();
}
return connectingElements;
}));
}
/// <summary>
/// Order of nodes is ignored
/// </summary>
/// <param name="other"></param>
/// <returns></returns>
public bool Equals(ElementRepository.NodeTuple other)
{
return((object.Equals(this.n1, other.n1) && object.Equals(this.n2, other.n2)) ||
(object.Equals(this.n1, other.n2) && object.Equals(this.n2, other.n1)));
}
