--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/visualizer/Data/src/com/sun/hotspot/igv/data/InputNode.java	Tue Feb 07 22:41:09 2012 +0100
@@ -0,0 +1,102 @@
+/*
+ * Copyright (c) 2008, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+package com.sun.hotspot.igv.data;
+
+import java.util.Comparator;
+
+/**
+ *
+ * @author Thomas Wuerthinger
+ */
+public class InputNode extends Properties.Entity {
+
+    private int id;
+
+    public static final Comparator<InputNode> COMPARATOR = new Comparator<InputNode>() {
+        @Override
+        public int compare(InputNode o1, InputNode o2) {
+            return o1.getId() - o2.getId();
+        }
+    };
+
+    public static Comparator<InputNode> getPropertyComparator(final String propertyName) {
+        return new Comparator<InputNode>() {
+
+            @Override
+            public int compare(InputNode o1, InputNode o2) {
+
+                int i1 = 0;
+                try {
+                    i1 = Integer.parseInt(o1.getProperties().get(propertyName));
+                } catch(NumberFormatException e) {
+                }
+
+                int i2 = 0;
+                try {
+                    i2 = Integer.parseInt(o2.getProperties().get(propertyName));
+                } catch(NumberFormatException e) {
+                }
+
+                return i1 - i2;
+            }
+        };
+    }
+
+    public InputNode(InputNode n) {
+        super(n);
+        setId(n.id);
+    }
+
+    public InputNode(int id) {
+        setId(id);
+    }
+
+    public void setId(int id) {
+        this.id = id;
+        getProperties().setProperty("id", "" + id);
+    }
+
+    public int getId() {
+        return id;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (!(o instanceof InputNode)) {
+            return false;
+        }
+        InputNode n = (InputNode) o;
+        return n.id == id;
+    }
+
+    @Override
+    public int hashCode() {
+        return id * 13;
+    }
+
+    @Override
+    public String toString() {
+        return "Node " + id + " " + getProperties().toString();
+    }
+}