private static IEnumerable <LinkedList <Relationship> > GetPaths(Node connectingNode, DirectionData data, bool stopAsap)
{
LevelData levelData = data.VisitedNodes[connectingNode];
if (levelData.Depth == 0)
{
ICollection <LinkedList <Relationship> > result = new List <LinkedList <Relationship> >();
result.Add(new LinkedList <>());
return(result);
}
ICollection <PathData> set = new List <PathData>();
GraphDatabaseService graphDb = data.StartNode.GraphDatabase;
foreach (long rel in levelData.RelsToHere)
{
set.Add(new PathData(connectingNode, new LinkedList <Relationship>(Arrays.asList(graphDb.GetRelationshipById(rel)))));
if (stopAsap)
{
break;
}
}
for (int i = 0; i < levelData.Depth - 1; i++)
{
// One level
ICollection <PathData> nextSet = new List <PathData>();
foreach (PathData entry in set)
{
// One path...
Node otherNode = entry.Rels.First.Value.getOtherNode(entry.Node);
LevelData otherLevelData = data.VisitedNodes[otherNode];
int counter = 0;
foreach (long rel in otherLevelData.RelsToHere)
{
// ...may split into several paths
LinkedList <Relationship> rels = ++counter == otherLevelData.RelsToHere.Length ? entry.Rels : new LinkedList <Relationship>(entry.Rels);
rels.AddFirst(graphDb.GetRelationshipById(rel));
nextSet.Add(new PathData(otherNode, rels));
if (stopAsap)
{
break;
}
}
}
set = nextSet;
}
return(new IterableWrapperAnonymousInnerClass(set));
}
public Relationship entity(long id, GraphDatabaseService graphDatabaseService)
{
return(graphDatabaseService.GetRelationshipById(id));
}
