org.springframework.context.event.GenericApplicationListener Maven / Gradle / Ivy
/*
* Copyright 2002-2015 the original author or authors.
*
* 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 org.springframework.context.event;
import org.springframework.context.ApplicationEvent;
import org.springframework.context.ApplicationListener;
import org.springframework.core.Ordered;
import org.springframework.core.ResolvableType;
/**
* Extended variant of the standard {@link ApplicationListener} interface,
* exposing further metadata such as the supported event type.
*
* As of Spring Framework 4.2, supersedes {@link SmartApplicationListener} with
* proper handling of generics-based event.
*
* @author Stephane Nicoll
* @since 4.2
*/
public interface GenericApplicationListener extends ApplicationListener, Ordered {
/**
* Determine whether this listener actually supports the given event type.
*/
boolean supportsEventType(ResolvableType eventType);
/**
* Determine whether this listener actually supports the given source type.
*/
boolean supportsSourceType(Class sourceType);
}