spring-session SessionRepository 源码
spring-session SessionRepository 代码
文件路径：/spring-session-core/src/main/java/org/springframework/session/SessionRepository.java
/*
* Copyright 2014-2019 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.session;
/**
* A repository interface for managing {@link Session} instances.
*
* @param <S> the {@link Session} type
* @author Rob Winch
* @since 1.0
*/
public interface SessionRepository<S extends Session> {
/**
* Creates a new {@link Session} that is capable of being persisted by this
* {@link SessionRepository}.
*
* <p>
* This allows optimizations and customizations in how the {@link Session} is
* persisted. For example, the implementation returned might keep track of the changes
* ensuring that only the delta needs to be persisted on a save.
* </p>
* @return a new {@link Session} that is capable of being persisted by this
* {@link SessionRepository}
*/
S createSession();
/**
* Ensures the {@link Session} created by
* {@link org.springframework.session.SessionRepository#createSession()} is saved.
*
* <p>
* Some implementations may choose to save as the {@link Session} is updated by
* returning a {@link Session} that immediately persists any changes. In this case,
* this method may not actually do anything.
* </p>
* @param session the {@link Session} to save
*/
void save(S session);
/**
* Gets the {@link Session} by the {@link Session#getId()} or null if no
* {@link Session} is found.
* @param id the {@link org.springframework.session.Session#getId()} to lookup
* @return the {@link Session} by the {@link Session#getId()} or null if no
* {@link Session} is found.
*/
S findById(String id);
/**
* Deletes the {@link Session} with the given {@link Session#getId()} or does nothing
* if the {@link Session} is not found.
* @param id the {@link org.springframework.session.Session#getId()} to delete
*/
void deleteById(String id);
}
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