001 /* 002 * Copyright 2013 Erik Kuefler 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except 005 * in compliance with the License. You may obtain a copy of the License at 006 * 007 * http://www.apache.org/licenses/LICENSE-2.0 008 * 009 * Unless required by applicable law or agreed to in writing, software distributed under the License 010 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express 011 * or implied. See the License for the specific language governing permissions and limitations under 012 * the License. 013 */ 014 package com.ekuefler.supereventbus.multievent; 015 016 import java.lang.annotation.Documented; 017 import java.lang.annotation.ElementType; 018 import java.lang.annotation.Inherited; 019 import java.lang.annotation.Target; 020 021 /** 022 * An annotation that, when applied to a parameter of type {@link MultiEvent}, specifies which types 023 * of events that method should listen for. See {@link MultiEvent} for more details and examples. 024 * <p> 025 * This annotation must be applied only to parameters of type {@link MultiEvent} on methods 026 * annotated with {@link com.ekuefler.supereventbus.Subscribe}. 027 * 028 * @author ekuefler@gmail.com (Erik Kuefler) 029 */ 030 @Documented 031 @Inherited 032 @Target(value = ElementType.PARAMETER) 033 public @interface EventTypes { 034 /** 035 * The list of types for which this event handler should listen. A posted event will cause the 036 * underlying event handler to be invoked if an only if it is assignable to one of the types in 037 * this list. Classes in this list must not be assignable to any other classes in this list. 038 */ 039 Class<?>[] value(); 040 }