spring SessionCallback 源码
spring SessionCallback 代码
文件路径：/spring-jms/src/main/java/org/springframework/jms/core/SessionCallback.java
/*
* Copyright 2002-2018 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.jms.core;
import jakarta.jms.JMSException;
import jakarta.jms.Session;
import org.springframework.lang.Nullable;
/**
* Callback for executing any number of operations on a provided {@link Session}.
*
* <p>To be used with the {@link JmsTemplate#execute(SessionCallback)} method,
* often implemented as an anonymous inner class or as a lambda expression.
*
* @author Mark Pollack
* @since 1.1
* @param <T> the result type
* @see JmsTemplate#execute(SessionCallback)
*/
@FunctionalInterface
public interface SessionCallback<T> {
/**
* Execute any number of operations against the supplied JMS {@link Session},
* possibly returning a result.
* @param session the JMS {@code Session}
* @return a result object from working with the {@code Session}, if any
* (or {@code null} if none)
* @throws jakarta.jms.JMSException if thrown by JMS API methods
*/
@Nullable
T doInJms(Session session) throws JMSException;
}
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