001/* 002 * Copyright 2002-2016 the original author or authors. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * https://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 017package org.springframework.web.server.session; 018 019import reactor.core.publisher.Mono; 020 021import org.springframework.web.server.ServerWebExchange; 022import org.springframework.web.server.WebSession; 023 024/** 025 * Main class for access to the {@link WebSession} for an HTTP request. 026 * 027 * @author Rossen Stoyanchev 028 * @since 5.0 029 * @see WebSessionIdResolver 030 * @see WebSessionStore 031 */ 032public interface WebSessionManager { 033 034 /** 035 * Return the {@link WebSession} for the given exchange. Always guaranteed 036 * to return an instance either matching to the session id requested by the 037 * client, or a new session either because the client did not specify one 038 * or because the underlying session expired. 039 * @param exchange the current exchange 040 * @return promise for the WebSession 041 */ 042 Mono<WebSession> getSession(ServerWebExchange exchange); 043 044}