2 * (C) Copyright 2016 Pantheon Technologies, s.r.o. and others.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
16 package org.opendaylight.yangtools.triemap;
18 import java.util.concurrent.atomic.AtomicReferenceFieldUpdater;
20 abstract class INodeBase<K, V> extends BasicNode {
22 @SuppressWarnings("rawtypes")
23 private static final AtomicReferenceFieldUpdater<INodeBase, MainNode> MAINNODE_UPDATER =
24 AtomicReferenceFieldUpdater.newUpdater(INodeBase.class, MainNode.class, "mainnode");
28 private volatile MainNode<K, V> mainnode;
30 INodeBase(final Gen generation, final MainNode<K, V> mainnode) {
32 this.mainnode = mainnode;
35 final boolean CAS(final MainNode<K, V> old, final MainNode<K, V> n) {
36 return MAINNODE_UPDATER.compareAndSet(this, old, n);
39 final MainNode<K, V> READ() {