components/visual-panels/core/src/java/util/com/oracle/solaris/vp/util/misc/predicate/NullPredicate.java
--- a/components/visual-panels/core/src/java/util/com/oracle/solaris/vp/util/misc/predicate/NullPredicate.java Tue Dec 16 05:53:51 2014 -0800
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,69 +0,0 @@
-/*
- * CDDL HEADER START
- *
- * The contents of this file are subject to the terms of the
- * Common Development and Distribution License (the "License").
- * You may not use this file except in compliance with the License.
- *
- * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
- * or http://www.opensolaris.org/os/licensing.
- * See the License for the specific language governing permissions
- * and limitations under the License.
- *
- * When distributing Covered Code, include this CDDL HEADER in each
- * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
- * If applicable, add the following below this CDDL HEADER, with the
- * fields enclosed by brackets "[]" replaced with your own identifying
- * information: Portions Copyright [yyyy] [name of copyright owner]
- *
- * CDDL HEADER END
- */
-
-/*
- * Copyright (c) 2010, 2012, Oracle and/or its affiliates. All rights reserved.
- */
-
-package com.oracle.solaris.vp.util.misc.predicate;
-
-/**
- * The {@code NullPredicate<T>} class is a {@code Predicate} that returns {@code
- * true} iff an object is {@code null}. The {@link #getInstance} method is the
- * preferred way to get an instance of this class.
- */
-public class NullPredicate<T> implements Predicate<T> {
- //
- // Static data
- //
-
- private static final NullPredicate<Object> instance =
- new NullPredicate<Object>();
-
- //
- // Predicate methods
- //
-
- /**
- * Returns true.
- *
- * @param o
- * the object to ignore
- *
- * @return {@code true} iff {@code o} is {@code null}
- */
- @Override
- public boolean test(T o) {
- return o == null;
- }
-
- //
- // Static methods
- //
-
- /**
- * Gets a type-safe, immutable, singleton instance of this class.
- */
- @SuppressWarnings({"unchecked"})
- public static <T> NullPredicate<T> getInstance() {
- return (NullPredicate<T>)instance;
- }
-}