/* * Copyright (c) 2015. David Sowerby * * 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 uk.q3c.krail.core.services; import com.google.common.collect.ImmutableList; /** * /** * Monitors instances of {@link Service} implementations, and keeps a history of the most recent status changes (only * the current status and the most recent change, see {@link ServiceStatusRecord}). * <p/> * Services are registered automatically the first time a state change message is received * <p/> * Acknowledgement: developed from code contributed by https://github.com/lelmarir */ public interface ServicesMonitor { ImmutableList<Service> getMonitoredServices(); ServiceStatusRecord getServiceStatus(Service service); }