spring NamedParameterJdbcDaoSupport 源码
spring NamedParameterJdbcDaoSupport 代码
文件路径：/spring-jdbc/src/main/java/org/springframework/jdbc/core/namedparam/NamedParameterJdbcDaoSupport.java
/*
* Copyright 2002-2018 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.namedparam;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.jdbc.core.support.JdbcDaoSupport;
import org.springframework.lang.Nullable;
/**
* Extension of JdbcDaoSupport that exposes a NamedParameterJdbcTemplate as well.
*
* @author Thomas Risberg
* @author Juergen Hoeller
* @since 2.0
* @see NamedParameterJdbcTemplate
*/
public class NamedParameterJdbcDaoSupport extends JdbcDaoSupport {
@Nullable
private NamedParameterJdbcTemplate namedParameterJdbcTemplate;
/**
* Create a NamedParameterJdbcTemplate based on the configured JdbcTemplate.
*/
@Override
protected void initTemplateConfig() {
JdbcTemplate jdbcTemplate = getJdbcTemplate();
if (jdbcTemplate != null) {
this.namedParameterJdbcTemplate = new NamedParameterJdbcTemplate(jdbcTemplate);
}
}
/**
* Return a NamedParameterJdbcTemplate wrapping the configured JdbcTemplate.
*/
@Nullable
public NamedParameterJdbcTemplate getNamedParameterJdbcTemplate() {
return this.namedParameterJdbcTemplate;
}
}
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