Java tutorial
/* * Copyright 2012 Anton Tananaev (anton@traccar.org) * * 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.traccar; import io.netty.util.HashedWheelTimer; import io.netty.util.Timer; public final class GlobalTimer { private static Timer instance = null; private GlobalTimer() { } public static void release() { if (instance != null) { instance.stop(); } instance = null; } public static Timer getTimer() { if (instance == null) { instance = new HashedWheelTimer(); } return instance; } }