/* * Copyright (C) 2012, Katy Hilgenberg. * Special acknowledgments to: Knowledge & Data Engineering Group, University of Kassel (http://www.kde.cs.uni-kassel.de). * Contact: sdcf@cs.uni-kassel.de * * This file is part of the SDCFramework (Sensor Data Collection Framework) project. * * The SDCFramework is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * The SDCFramework is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with the SDCFramework. If not, see <http://www.gnu.org/licenses/>. */ package de.unikassel.android.sdcframework.util.facade; /** * Interface for event observers. * * @see ObservableEvent * @see ObservableEventSource * * @author Katy Hilgenberg * * @param <T> * the observed event type extending {@linkplain ObservableEvent * ObservableEvent} */ public interface EventObserver< T extends ObservableEvent > { /** * This method is called whenever the observed object does create an observed * event * * @param eventSource * the event generator * @param observedEvent * the event created by the observed object */ public abstract void onEvent( ObservableEventSource< ? extends T > eventSource, T observedEvent ); }