spring SqlProvider 源码
spring SqlProvider 代码
文件路径：/spring-jdbc/src/main/java/org/springframework/jdbc/core/SqlProvider.java
/*
* Copyright 2002-2020 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.jdbc.core;
import org.springframework.lang.Nullable;
/**
* Interface to be implemented by objects that can provide SQL strings.
*
* <p>Typically implemented by PreparedStatementCreators, CallableStatementCreators
* and StatementCallbacks that want to expose the SQL they use to create their
* statements, to allow for better contextual information in case of exceptions.
*
* @author Juergen Hoeller
* @since 16.03.2004
* @see PreparedStatementCreator
* @see CallableStatementCreator
* @see StatementCallback
*/
public interface SqlProvider {
/**
* Return the SQL string for this object, i.e.
* typically the SQL used for creating statements.
* @return the SQL string, or {@code null} if not available
*/
@Nullable
String getSql();
}
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