/// <summary>
/// Gets the linked nodes.
/// </summary>
/// <param name="centralNodeName">Name of the central node.</param>
/// <param name="includeBtoALinks">if set to <c>true</c> [include bto a links].</param>
/// <returns></returns>
public freeGraphQueryResult GetLinkedNodes(String centralNodeName, Boolean includeBtoALinks = false, freeGraphQueryResult output = null)
{
if (output == null)
{
output = new freeGraphQueryResult();
}
if (!Check())
{
output.graphNotReady = true;
return(output);
}
freeGraphNodeBase centralNode = GetNode(centralNodeName, true);
output.queryNodes.Add(centralNode);
if (!output.graphNodeNotFound)
{
output.AddRange(GetLinksBase(centralNodeName, false, 1, true));
output.includeBtoALinks = includeBtoALinks;
if (output.includeBtoALinks)
{
output.AddRange(GetLinksBase(centralNodeName, true, 1, true));
}
}
return(output);
}
/// <summary>
/// Adds all nodes from the query into collection that are not already in the island (identified by: <see cref="freeGraphNodeBase.name"/> )
/// </summary>
/// <param name="queryResult">The query result.</param>
public void Add(freeGraphQueryResult queryResult)
{
List <freeGraphNodeBase> allNodes = queryResult.ToList();
allNodes.AddRange(queryResult.queryNodes);
foreach (freeGraphNodeBase n in allNodes)
{
if (!nodes.Contains(n.name))
{
nodes.Add(n.name);
}
}
}
/// <summary>
/// Iterative query for linked nodes.
/// </summary>
/// <param name="queryNodeNames">The query node names.</param>
/// <param name="expansionSteps">The expansion steps - number of iterations in linked nodes collecting process</param>
/// <param name="includeBtoAlinks">if set to <c>true</c> [include bto alinks].</param>
/// <param name="includeQueryNodesInResult">if set to <c>true</c> [include query nodes in result].</param>
/// <returns></returns>
public freeGraphQueryResult GetLinkedNodes(IEnumerable <String> queryNodeNames, Int32 expansionSteps = 1,
Boolean includeBtoAlinks = false, Boolean includeQueryNodesInResult = false,
Boolean cloneAndAdjustWeight = true, Boolean includeAtoBlinks = true)
{
var output = new freeGraphQueryResult();
if (!includeAtoBlinks && !includeBtoAlinks)
{
//throw new ArgumentException("Both " + nameof(includeAtoBlinks) + " and " + nameof(includeBtoAlinks) + " are set to false. ")
return(output);
}
if (!Check())
{
output.graphNotReady = true;
return(output);
}
List <freeGraphNodeBase> queryNodes = GetNodes(queryNodeNames, true).GetQueryResultClones(0);
output.queryNodes.AddRange(queryNodes);
if (includeQueryNodesInResult)
{
output.AddNewNodes(queryNodes);
}
Int32 step = 0;
while (step < expansionSteps)
{
List <freeGraphNodeBase> expansion = new List <freeGraphNodeBase>();
foreach (var node in queryNodes)
{
if (includeAtoBlinks)
{
expansion.AddRange(GetLinksBase(node.name, false, 1, cloneAndAdjustWeight));
}
if (includeBtoAlinks)
{
expansion.AddRange(GetLinksBase(node.name, true, 1, cloneAndAdjustWeight));
}
}
queryNodes = output.AddNewNodes(expansion);
step++;
}
return(output);
}
