/* * Copyright 2014, The Sporting Exchange Limited * * 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 com.betfair.cougar.transport.nio; import java.util.concurrent.CopyOnWriteArrayList; public abstract class AbstractHealthMonitorStrategy implements HealthMonitorStrategy { private CopyOnWriteArrayList<HealthMonitorStrategyListener> listeners = new CopyOnWriteArrayList<HealthMonitorStrategy.HealthMonitorStrategyListener>(); @Override public void registerListener(HealthMonitorStrategyListener listener) { listeners.add(listener); } protected void adviseListeners(boolean isHealthy) { for (HealthMonitorStrategyListener listener : listeners) { listener.onUpdate(isHealthy); } } }