Plex-FAWE/worldedit-core/src/main/java/com/sk89q/worldedit/util/eventbus/SubscriberFindingStrategy.java
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2014-11-14 11:27:39 -08:00

43 lines
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Java

/*
* WorldEdit, a Minecraft world manipulation toolkit
* Copyright (C) sk89q <http://www.sk89q.com>
* Copyright (C) WorldEdit team and contributors
*
* This program 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.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.sk89q.worldedit.util.eventbus;
import com.google.common.collect.Multimap;
/**
* A method for finding event handler methods in objects, for use by
* {@link EventBus}.
*/
interface SubscriberFindingStrategy {
/**
* Finds all suitable event handler methods in {@code source}, organizes them
* by the type of event they handle, and wraps them in {@link EventHandler}s.
*
* @param source object whose handlers are desired.
* @return EventHandler objects for each handler method, organized by event
* type.
*
* @throws IllegalArgumentException if {@code source} is not appropriate for
* this strategy (in ways that this interface does not define).
*/
Multimap<Class<?>, EventHandler> findAllSubscribers(Object source);
}