javax.enterprise.event.Event Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 javax.enterprise.event;
import java.lang.annotation.Annotation;
import java.util.concurrent.CompletionStage;
import javax.enterprise.util.TypeLiteral;
/**
* The event interface is used for firing events with specific classifiers and types.
*
* A built-in event bean is provided by the container.
*
* @param the event type
*/
public interface Event
{
void fire(T event);
/**
* Fires the given event asynchronous and notifies all {@link ObservesAsync} observers.
*
* @param asyncEvent event to fire async
* @param the type of the result
*
* @return {@link CompletionStage} with type {@code U}
*
* @since 2.0
*/
CompletionStage fireAsync(U asyncEvent);
/**
* Fires the given event asynchronous and notifies all {@link ObservesAsync} observers.
*
* @param asyncEvent event to fire async
* @param notificationOptions
* @param type of the result
*
* @return {@link CompletionStage} with type {@code U}
*
* @since 2.0
*/
//X TODO add notificationOptions to javadoc
CompletionStage fireAsync(U asyncEvent, NotificationOptions notificationOptions);
Event select(Annotation... qualifiers);
Event select(Class subtype, Annotation... qualifiers);
Event select(TypeLiteral subtype,
Annotation... qualifiers);
}