/* * Copyright (c) 1998-2011 Caucho Technology -- all rights reserved * * This file is part of Resin(R) Open Source * * Each copy or derived work must preserve the copyright notice and this * notice unmodified. * * Resin Open Source is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * Resin Open Source 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, or any warranty * of NON-INFRINGEMENT. See the GNU General Public License for more * details. * * You should have received a copy of the GNU General Public License * along with Resin Open Source; if not, write to the * * Free Software Foundation, Inc. * 59 Temple Place, Suite 330 * Boston, MA 02111-1307 USA * * @author Scott Ferguson */ package javax.enterprise.event; import java.lang.annotation.*; import javax.enterprise.util.TypeLiteral; /** * Injectable interface providing simplified access to the event system. * * <code><pre> * class MyBean { * @Any Event<MyEvent> _myEvent; * * void myMethod() * { * _myEvent.fire(new MyEvent("test")); * } * } * </pre></code> */ public interface Event<T> { /** * Fires an event with the Event object's bindings. * * @param event the event to fire */ public void fire(T event); /** * Adds the current set of qualifiers, returning a new Event object. * * @param qualifiers the additional qualifiers */ public Event<T> select(Annotation... qualifiers); /** * Adds the current set of bindings, returning a new Event object. * * @param subtype the restricted type * @param qualifiers the additional qualifiers */ public <U extends T> Event<U> select(Class<U> subtype, Annotation... qaualifiers); /** * Adds the current set of qualifiers, returning a new Event object. * * @param subtype the restricted type * @param qualifiers the additional qualifiers */ public <U extends T> Event<U> select(TypeLiteral<U> subtype, Annotation... qualifiers); }