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package com.github.zhengframework.event;

/*-
 * #%L
 * zheng-event
 * %%
 * Copyright (C) 2020 Zheng MingHai
 * %%
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * #L%
 */

import java.lang.reflect.Method;

@SuppressWarnings("UnusedReturnValue")
public interface EventDispatcher {

   EventRegistration registerListener(
      Class eventType, EventListener eventListener);

  EventRegistration registerListener(EventListener eventListener);

  EventRegistration registerListener(
      Object instance, Method method, Class acceptedType);

  void publishEvent(Event event);
}