spring-data-jpa Modifying 源码
spring-data-jpa Modifying 代码
文件路径：/spring-data-jpa/src/main/java/org/springframework/data/jpa/repository/Modifying.java
/*
* Copyright 2008-2022 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;
/**
* <p>
* Indicates a query method should be considered as modifying query as that changes the way it needs to be executed.
* This annotation is only considered if used on query methods defined through a {@link Query} annotation. It's not
* applied on custom implementation methods or queries derived from the method name as they already have control over
* the underlying data access APIs or specify if they are modifying by their name.
* </p>
* <p>
* Queries that require a `@Modifying` annotation include {@code INSERT}, {@code UPDATE}, {@code DELETE}, and DDL
* statements.
* </p>
*
* @author Oliver Gierke
* @author Christoph Strobl
* @author Nicolas Cirigliano
* @author Jens Schauder
* @see Query
*/
@Retention(RetentionPolicy.RUNTIME)
@Target({ ElementType.METHOD, ElementType.ANNOTATION_TYPE })
@Documented
public @interface Modifying {
/**
* Defines whether we should flush the underlying persistence context before executing the modifying query.
*
* @return
*/
boolean flushAutomatically() default false;
/**
* Defines whether we should clear the underlying persistence context after executing the modifying query.
*
* @return
*/
boolean clearAutomatically() default false;
}
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