1 files changed, 0 insertions, 88 deletions

diff --git a/test/uk/ac/ox/cs/data/sample/RandomWalk.java b/test/uk/ac/ox/cs/data/sample/RandomWalk.java
deleted file mode 100644
index d9f5107..0000000
--- a/test/uk/ac/ox/cs/data/sample/RandomWalk.java
+++ /dev/null
@@ -1,88 +0,0 @@
-package uk.ac.ox.cs.data.sample;
-
-import java.util.HashSet;
-import java.util.Iterator;
-import java.util.List;
-import java.util.Random;
-import java.util.Set;
-import java.util.Stack;
-
-import org.openrdf.rio.RDFHandlerException;
-import org.openrdf.rio.turtle.TurtleWriter;
-
-import uk.ac.ox.cs.pagoda.util.Utility;
-
-public class RandomWalk extends Sampler {
-        
-        public RandomWalk(RDFGraph graph, TurtleWriter writer) {
-                super(graph, writer);
-        }
-
-        protected Random rand = new Random(); 
-        
-        protected int noOfStatements = 0, statementLimit = 0;
-        protected Set<Integer> visited = new HashSet<Integer>();
-        
-        @Override
-        public void setLimit(int limit) {
-                statementLimit = limit; 
-        }
-        
-        @Override
-        public void sample() throws RDFHandlerException {
-                int u, v, pick, index; 
-                RDFEdge edge; 
-                List<RDFEdge> edges;
-                Stack<Integer> stack = new Stack<Integer>();
-                while (true) {
-                        if (noOfStatements >= statementLimit) {
-                                return ; 
-                        }
-                        if (stack.isEmpty()) {
-                                stack.add(v = rand.nextInt(m_graph.numberOfIndividuals));
-                                Utility.logInfo("A new start: " + m_graph.getRawString(v));
-                                visit(v);
-                        }
-                        u = stack.peek(); 
-                        if (rand.nextInt(100) < 15) {
-                                stack.pop(); 
-                                continue;
-                        }
-                        if ((edges = m_graph.edges.get(u)) == null || edges.size() == 0) {
-                                stack.clear();
-                                continue; 
-                        }
-                        
-                        index = 0;
-                        pick = rand.nextInt(edges.size()); 
-                        for (Iterator<RDFEdge> iter = edges.iterator(); iter.hasNext(); ++index) {
-                                edge = iter.next(); 
-                                if (index == pick) {
-                                        stack.add(v = edge.m_dst);
-                                        visit(v);
-                                        m_writer.handleStatement(m_graph.getStatement(u, edge.m_label, edge.m_dst));
-                                        ++noOfStatements; 
-                                        iter.remove(); 
-                                }
-                                        
-                        }
-                }
-        }
-
-        protected void visit(int node) throws RDFHandlerException {
-                if (visited.contains(node)) return ; 
-                visited.add(node); 
-                List<Integer> list = m_graph.labels.get(node);
-                if (list == null) return ; 
-                for (Iterator<Integer> iter = list.iterator(); iter.hasNext(); )  
-                        m_writer.handleStatement(m_graph.getStatement(node, iter.next()));
-                noOfStatements += list.size(); 
-        }
-
-        @Override
-        public void dispose() {
-                visited.clear();
-        }
-        
-        
-}