/**
* Copyright (c) 2011, SOCIETIES Consortium (WATERFORD INSTITUTE OF TECHNOLOGY (TSSG), HERIOT-WATT UNIVERSITY (HWU), SOLUTA.NET
* (SN), GERMAN AEROSPACE CENTRE (Deutsches Zentrum fuer Luft- und Raumfahrt e.V.) (DLR), Zavod za varnostne tehnologije
* informacijske družbe in elektronsko poslovanje (SETCCE), INSTITUTE OF COMMUNICATION AND COMPUTER SYSTEMS (ICCS), LAKE
* COMMUNICATIONS (LAKE), INTEL PERFORMANCE LEARNING SOLUTIONS LTD (INTEL), PORTUGAL TELECOM INOVAÇÃO, SA (PTIN), IBM Corp.,
* INSTITUT TELECOM (ITSUD), AMITEC DIACHYTI EFYIA PLIROFORIKI KAI EPIKINONIES ETERIA PERIORISMENIS EFTHINIS (AMITEC), TELECOM
* ITALIA S.p.a.(TI), TRIALOG (TRIALOG), Stiftelsen SINTEF (SINTEF), NEC EUROPE LTD (NEC))
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following
* conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.societies.api.context.event;
import org.societies.utilities.annotations.SocietiesExternalInterface;
import org.societies.utilities.annotations.SocietiesExternalInterface.SocietiesInterfaceType;
/**
* A listener for receiving {@link CtxChangeEvent CtxChangeEvents}. More
* specifically, it defines methods for reacting to the addition, update,
* modification or removal of context model objects.
*
* @author <a href="mailto:nicolas.liampotis@cn.ntua.gr">Nicolas Liampotis</a> (ICCS)
* @since 0.0.3
*/
@SocietiesExternalInterface(type = SocietiesInterfaceType.REQUIRED)
public interface CtxChangeEventListener extends CtxEventListener {
/**
* This method is called when a context model object is created.
*
* @param event
* a <code>CtxChangeEvent</code> object referencing the context
* model object that was created.
*/
public void onCreation(CtxChangeEvent event);
/**
* This method is called when a context model object is updated.
*
* @param event
* a <code>CtxChangeEvent</code> object referencing the context
* model object that was updated.
*/
public void onUpdate(CtxChangeEvent event);
/**
* This method is called when a context model object is modified.
*
* @param event
* a <code>CtxChangeEvent</code> object referencing the context
* model object that was modified.
*/
public void onModification(CtxChangeEvent event);
/**
* This method is called when a context model object is removed.
*
* @param event
* a <code>CtxChangeEvent</code> object referencing the context
* model object that was removed.
*/
public void onRemoval(CtxChangeEvent event);
}