spring-data-jpa Lock 源码
spring-data-jpa Lock 代码
文件路径：/spring-data-jpa/src/main/java/org/springframework/data/jpa/repository/Lock.java
/*
* Copyright 2011-2022 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.data.jpa.repository;
import java.lang.annotation.Documented;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
import jakarta.persistence.LockModeType;
/**
* Annotation used to specify the {@link LockModeType} to be used when executing the query. It will be evaluated when
* using {@link Query} on a query method or if you derive the query from the method name.
*
* @author Aleksander Blomskøld
* @author Oliver Gierke
*/
@Target({ ElementType.METHOD, ElementType.ANNOTATION_TYPE })
@Retention(RetentionPolicy.RUNTIME)
@Documented
public @interface Lock {
/**
* The {@link LockModeType} to be used when executing the annotated query or CRUD method.
*
* @return
*/
LockModeType value();
}
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