# HG changeset patch
# User Tom Rodriguez <tom.rodriguez@oracle.com>
# Date 1422477550 28800
# Node ID ea1351d22e5544c007576a67e32fa256cbee1637
# Parent  4f3c6cc1794a4c4df6a0c180113fab6e7648eef5
Added entrySet and keySet to NodeNodeMap

diff -r 4f3c6cc1794a -r ea1351d22e55 graal/com.oracle.graal.graph/src/com/oracle/graal/graph/NodeNodeMap.java
--- a/graal/com.oracle.graal.graph/src/com/oracle/graal/graph/NodeNodeMap.java	Wed Jan 28 12:09:13 2015 -0800
+++ b/graal/com.oracle.graal.graph/src/com/oracle/graal/graph/NodeNodeMap.java	Wed Jan 28 12:39:10 2015 -0800
@@ -55,7 +55,11 @@
     }
 
     public Set<Node> keySet() {
-        throw new UnsupportedOperationException("Cannot get key set from this map");
+        HashSet<Node> entries = new HashSet<>();
+        for (Map.Entry<Node, Node> entry : entries()) {
+            entries.add(entry.getKey());
+        }
+        return entries;
     }
 
     public Collection<Node> values() {
@@ -69,7 +73,11 @@
         return result;
     }
 
-    public Set<java.util.Map.Entry<Node, Node>> entrySet() {
-        throw new UnsupportedOperationException("Cannot get entry set for this map");
+    public Set<Map.Entry<Node, Node>> entrySet() {
+        HashSet<Map.Entry<Node, Node>> entries = new HashSet<>();
+        for (Map.Entry<Node, Node> entry : entries()) {
+            entries.add(entry);
+        }
+        return entries;
     }
 }