/// <summary>
/// gets all children of the current node (those with paths that begin with the current node's path)
/// </summary>
/// <param name="nodeStore"></param>
/// <returns></returns>
public static List <GraphNode> GetChildNodes(this IStoreOf <GraphNode> nodeStore, GraphPath path)
{
Condition.Requires(nodeStore).IsNotNull();
var matches = nodeStore.SearchOf(LogicOfTo <GraphNode, bool> .New((x) => { return(x.Path.Path.StartsWith(path.Path)); }));
return(matches);
}
/// <summary>
/// given a nodestore finds the current node's parent node
/// </summary>
/// <param name="nodeStore"></param>
/// <returns></returns>
public static GraphNode GetParentNode(this IStoreOf <GraphNode> nodeStore, GraphPath path)
{
Condition.Requires(nodeStore).IsNotNull();
GraphNode rv = null;
//if we're on a root node, there is no parent
if (path.IsRoot)
{
return(null);
}
var parentPath = path.ParentPath;
var matches = nodeStore.SearchOf(LogicOfTo <GraphNode, bool> .New((x) => { return(x.Id.Equals(parentPath)); }));
rv = matches.FirstOrDefault();
return(rv);
}