--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.max.base/src/com/sun/max/util/Predicate.java	Sat Dec 17 19:59:18 2011 +0100
@@ -0,0 +1,49 @@
+/*
+ * Copyright (c) 2007, 2011, 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.max.util;
+
+import com.sun.max.*;
+
+/**
+ */
+public interface Predicate<T> {
+
+    boolean evaluate(T object);
+
+    public static final class Static {
+        private Static() {
+        }
+
+        private static Predicate<Object> alwaysTrue = new Predicate<Object>() {
+            public boolean evaluate(Object object) {
+                return true;
+            }
+        };
+
+        public static <T> Predicate<T> alwaysTrue(Class<T> type) {
+            final Class<Predicate<T>> predicateType = null;
+            return Utils.cast(predicateType, alwaysTrue);
+        }
+    }
+
+}