spring SqlValue 源码
spring SqlValue 代码
文件路径：/spring-jdbc/src/main/java/org/springframework/jdbc/support/SqlValue.java
/*
* Copyright 2002-2012 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.support;
import java.sql.PreparedStatement;
import java.sql.SQLException;
/**
* Simple interface for complex types to be set as statement parameters.
*
* <p>Implementations perform the actual work of setting the actual values. They must
* implement the callback method {@code setValue} which can throw SQLExceptions
* that will be caught and translated by the calling code. This callback method has
* access to the underlying Connection via the given PreparedStatement object, if that
* should be needed to create any database-specific objects.
*
* @author Juergen Hoeller
* @since 2.5.6
* @see org.springframework.jdbc.core.SqlTypeValue
* @see org.springframework.jdbc.core.DisposableSqlTypeValue
*/
public interface SqlValue {
/**
* Set the value on the given PreparedStatement.
* @param ps the PreparedStatement to work on
* @param paramIndex the index of the parameter for which we need to set the value
* @throws SQLException if an SQLException is encountered while setting parameter values
*/
void setValue(PreparedStatement ps, int paramIndex) throws SQLException;
/**
* Clean up resources held by this value object.
*/
void cleanup();
}
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