com.blade.event.EventManager Maven / Gradle / Ivy
/**
* Copyright (c) 2017, biezhi 王爵 ([email protected])
*
* 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.
*/
package com.blade.event;
import com.blade.ioc.bean.OrderComparator;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
import java.util.stream.Stream;
/**
* Event manager
*
* @author biezhi
* @date 2017/9/18
*/
public class EventManager {
private Map> listenerMap;
private OrderComparator comparator = new OrderComparator<>();
public EventManager() {
this.listenerMap = Stream.of(EventType.values()).collect(Collectors.toMap(v -> v, v -> new LinkedList<>()));
}
public void addEventListener(EventType type, EventListener listener) {
listenerMap.get(type).add(listener);
}
public void fireEvent(EventType type, Event event) {
listenerMap.get(type).stream()
.sorted(comparator)
.forEach(listener -> listener.trigger(event));
}
}