//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Override @SuppressWarnings("unchecked") public java.util.Collection<org.neo4j.graphdb.Path> evaluate(org.neo4j.graphdb.traversal.TraversalBranch branch, org.neo4j.graphdb.Direction direction)
public override ICollection <Path> Evaluate(TraversalBranch branch, Direction direction)
{
// [0] for paths from start, [1] for paths from end
ICollection <TraversalBranch>[] pathsHere = _paths[branch.EndNode()];
int index = direction.ordinal();
if (pathsHere == null)
{
pathsHere = new System.Collections.ICollection[]
{
new List <TraversalBranch>(),
new List <TraversalBranch>()
};
_paths[branch.EndNode()] = pathsHere;
}
pathsHere[index].Add(branch);
// If there are paths from the other side then include all the
// combined paths
ICollection <TraversalBranch> otherCollections = pathsHere[index == 0 ? 1 : 0];
if (otherCollections.Count > 0)
{
ICollection <Path> foundPaths = new List <Path>();
foreach (TraversalBranch otherBranch in otherCollections)
{
TraversalBranch startPath = index == 0 ? branch : otherBranch;
TraversalBranch endPath = index == 0 ? otherBranch : branch;
BidirectionalTraversalBranchPath path = new BidirectionalTraversalBranchPath(startPath, endPath);
if (IsAcceptablePath(path))
{
if (_returnedPaths.Add(path) && IncludePath(path, startPath, endPath))
{
foundPaths.Add(path);
}
}
}
if (foundPaths.Count > 0)
{
return(foundPaths);
}
}
return(null);
}
private bool IsAcceptablePath(BidirectionalTraversalBranchPath path)
{
return(_pathPredicate.test(path));
}