/*
 * Copyright 2012-2020 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
 *
 *      https://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.boot.web.server;

/**
 * The result of a graceful shutdown request.
 *
 * @author Andy Wilkinson
 * @since 2.3.0
 * @see GracefulShutdownCallback
 * @see WebServer#shutDownGracefully(GracefulShutdownCallback)
 */
public enum GracefulShutdownResult {

	/**
	 * Requests remained active at the end of the grace period.
	 */
	REQUESTS_ACTIVE,

	/**
	 * The server was idle with no active requests at the end of the grace period.
	 */
	IDLE,

	/**
	 * The server was shutdown immediately, ignoring any active requests.
	 */
	IMMEDIATE;

}
