spring-data-jpa QueryExtractor 源码
spring-data-jpa QueryExtractor 代码
文件路径：/spring-data-jpa/src/main/java/org/springframework/data/jpa/provider/QueryExtractor.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.provider;
import jakarta.persistence.Query;
import org.springframework.lang.Nullable;
/**
* Interface to hide different implementations to extract the original JPA query string from a {@link Query}.
*
* @author Oliver Gierke
* @author Mark Paluch
*/
public interface QueryExtractor {
/**
* Reverse engineers the query string from the {@link Query} object. This requires provider specific API as JPA does
* not provide access to the underlying query string as soon as one has created a {@link Query} instance of it.
*
* @param query
* @return the query string representing the query or {@literal null} if resolving is not possible.
*/
@Nullable
String extractQueryString(Query query);
/**
* Returns whether the extractor is able to extract the original query string from a given {@link Query}.
*
* @return
*/
boolean canExtractQuery();
}
相关信息
相关文章
spring-data-jpa HibernateJpaParametersParameterAccessor 源码
spring-data-jpa HibernateUtils 源码
spring-data-jpa JpaClassUtils 源码
spring-data-jpa PersistenceProvider 源码
spring-data-jpa ProxyIdAccessor 源码
0
赞
热门推荐
-
2、 - 优质文章
-
3、 gate.io
-
8、 golang
-
9、 openharmony
-
10、 Vue中input框自动聚焦