BUG-7464: Migrate to use java.util.Optional

[yangtools.git] / third-party / triemap / src / main / java / org / opendaylight / yangtools / triemap / None.java

diff --git a/third-party/triemap/src/main/java/org/opendaylight/yangtools/triemap/None.java b/third-party/triemap/src/main/java/org/opendaylight/yangtools/triemap/None.java
deleted file mode 100644 (file)
index cef3a0c..0000000
--- a/third-party/triemap/src/main/java/org/opendaylight/yangtools/triemap/None.java
+++ /dev/null
@@ -1,30 +0,0 @@
-/*
- * (C) Copyright 2016 Pantheon Technologies, s.r.o. and others.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.opendaylight.yangtools.triemap;
-
-/**
- * Mimic None in Scala
- *
- * @author Roman Levenstein <romixlev@gmail.com>
- *
- * @param <V>
- */
-final class None<V> extends Option<V> {
-    @Override
-    boolean nonEmpty() {
-        return false;
-    }
-}