001/* 002 * Copyright (c) 2006-2011 Nuxeo SA (http://nuxeo.com/) and others. 003 * 004 * All rights reserved. This program and the accompanying materials 005 * are made available under the terms of the Eclipse Public License v1.0 006 * which accompanies this distribution, and is available at 007 * http://www.eclipse.org/legal/epl-v10.html 008 * 009 * Contributors: 010 * bstefanescu 011 */ 012package org.nuxeo.ecm.core.event; 013 014 015/** 016 * An event listener receives notifications from core components. 017 * <p> 018 * Notifications are expressed as Event objects. This type of listeners are always invoked synchronously immediately 019 * after the event is raised. 020 * 021 * @see PostCommitEventListener for asynchronous listeners or post commit listeners 022 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a> 023 */ 024public interface EventListener { 025 026 /** 027 * Handle the given event. The listener can cancel the event by calling {@link Event#cancel()} 028 * 029 * @param event the event 030 */ 031 void handleEvent(Event event); 032 033}