From ecbd95483ba77740160e89aa258964e503944132 Mon Sep 17 00:00:00 2001
From: adrian_gonzalez <adrian.gonzalez@usc.es>
Date: Sun, 31 Mar 2013 22:25:02 +0200
Subject: [PATCH] Fixed #16 and fixed #17

---
 .../citius/lab/hipster/algorithm/ADStarIterator.java | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/src/main/java/es/usc/citius/lab/hipster/algorithm/ADStarIterator.java b/src/main/java/es/usc/citius/lab/hipster/algorithm/ADStarIterator.java
index cc5efc3..a6cf405 100644
--- a/src/main/java/es/usc/citius/lab/hipster/algorithm/ADStarIterator.java
+++ b/src/main/java/es/usc/citius/lab/hipster/algorithm/ADStarIterator.java
@@ -7,8 +7,10 @@
 import es.usc.citius.lab.hipster.node.ComparableNode;
 import es.usc.citius.lab.hipster.node.NodeBuilder;
 import es.usc.citius.lab.hipster.node.Transition;
+import java.util.HashMap;
 import java.util.Iterator;
 import java.util.Map;
+import java.util.PriorityQueue;
 import java.util.Queue;
 
 /**
@@ -35,13 +37,17 @@ public class ADStarIterator<S> implements Iterator<ComparableNode<S>> {
     private Double epsilon = 1.0;
 
     public ADStarIterator(S begin, S goal, TransitionFunction<S> predecessors, TransitionFunction<S> successors, CostFunction<S, Double> costFunction, HeuristicFunction<S, Double> heuristic, NodeBuilder<S, ADStarNode<S>> builder) {
-        this.beginNode = this.nodeBuilder.node(null, new Transition<S>(null, begin));
-        this.goalNode = this.nodeBuilder.node(null, new Transition<S>(null, goal));
+        this.nodeBuilder = builder;
         this.predecessorFunction = predecessors;
         this.successorFunction = successors;
         this.costFunction = costFunction;
         this.heuristicFunction = heuristic;
-        this.nodeBuilder = builder;
+        this.open = new HashMap<S, ADStarNode<S>>();
+        this.closed = new HashMap<S, ADStarNode<S>>();
+        this.incons = new HashMap<S, ADStarNode<S>>();
+        this.queue = new PriorityQueue<ADStarNode<S>>();
+        this.beginNode = this.nodeBuilder.node(null, new Transition<S>(null, begin));
+        this.goalNode = this.nodeBuilder.node(null, new Transition<S>(null, goal));
 
         /*Initialization step*/
         this.beginNode.setG(0);