io.vertx.core.Handler Maven / Gradle / Ivy
/*
* Copyright (c) 2011-2019 Contributors to the Eclipse Foundation
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
* which is available at https://www.apache.org/licenses/LICENSE-2.0.
*
* SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
*/
package io.vertx.core;
/**
* A generic event handler.
*
* This interface is used heavily throughout Vert.x as a handler for all types of asynchronous occurrences.
*
*
* @author Tim Fox
*/
@FunctionalInterface
public interface Handler {
/**
* Something has happened, so handle it.
*
* @param event the event to handle
*/
void handle(E event);
}