/// <summary>
/// Gets All nodes connected to source node
/// </summary>
/// <param name="node">Source node</param>
/// <returns>Nodes connected source node</returns>
public IEnumerable <INode> Get(INode node)
{
if (node == null)
{
throw new ArgumentNullException(nameof(node));
}
var linksForNode = linkRepository.Get(node);
var equalityComparer = new BaseNodeEqualityComparator();
return(linksForNode
.Flatten()
.RemoveNode(node)
.Distinct(equalityComparer)
.GroupBy(g => g.NodeType)
.SelectMany(GetNodesFromRepository));
}
/// <summary>
/// Gets All nodes of selected INodeType connected to source node
/// </summary>
/// <param name="node">Source node</param>
/// <param name="nodeType">Node type to filter nodes on</param>
/// <returns>Nodes connected source node</returns>
public IEnumerable <T> Get <T>(INode node, INodeType <T> nodeType) where T : INode
{
if (node == null)
{
throw new ArgumentNullException(nameof(node));
}
if (nodeType == null)
{
throw new ArgumentNullException(nameof(nodeType));
}
var linksForNode = linkRepository.Get(node);
var equalityComparer = new BaseNodeEqualityComparator();
var requiredIds = linksForNode
.Flatten()
.Where(n => n.NodeType.Equals(nodeType))
.Distinct(equalityComparer)
.Select(n => n.Id);
var repo = repositoryFactory.CreateRepository(nodeType);
return(repo.Get(requiredIds));
}