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.AtomicIntegerFieldUpdater;
20 abstract class CNodeBase<K, V> extends MainNode<K, V> {
21 @SuppressWarnings("rawtypes")
22 private static final AtomicIntegerFieldUpdater<CNodeBase> CSIZE_UPDATER =
23 AtomicIntegerFieldUpdater.newUpdater(CNodeBase.class, "csize");
25 private volatile int csize = -1;
27 final boolean CAS_SIZE(final int oldval, final int nval) {
28 return CSIZE_UPDATER.compareAndSet(this, oldval, nval);
31 final int READ_SIZE() {