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java.lang.Object org.springframework.jdbc.core.support.JdbcBeanDefinitionReader
public class JdbcBeanDefinitionReader
Bean definition reader that reads values from a database table, based on a given SQL statement.
Expects columns for bean name, property name and value as String. Formats for each are identical to the properties format recognized by PropertiesBeanDefinitionReader.
NOTE: This is mainly intended as an example for a custom JDBC-based bean definition reader. It does not aim to offer comprehensive functionality.
loadBeanDefinitions(java.lang.String)
,
PropertiesBeanDefinitionReader
Constructor Summary | |
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JdbcBeanDefinitionReader(BeanDefinitionRegistry beanFactory)
Create a new JdbcBeanDefinitionReader for the given bean factory, using a default PropertiesBeanDefinitionReader underneath. |
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JdbcBeanDefinitionReader(PropertiesBeanDefinitionReader beanDefinitionReader)
Create a new JdbcBeanDefinitionReader that delegates to the given PropertiesBeanDefinitionReader underneath. |
Method Summary | |
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void |
loadBeanDefinitions(String sql)
Load bean definitions from the database via the given SQL string. |
void |
setDataSource(DataSource dataSource)
Set the DataSource to use to obtain database connections. |
void |
setJdbcTemplate(JdbcTemplate jdbcTemplate)
Set the JdbcTemplate to be used by this bean factory. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public JdbcBeanDefinitionReader(BeanDefinitionRegistry beanFactory)
DataSource or JdbcTemplate still need to be set.
public JdbcBeanDefinitionReader(PropertiesBeanDefinitionReader beanDefinitionReader)
DataSource or JdbcTemplate still need to be set.
Method Detail |
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public void setDataSource(DataSource dataSource)
public void setJdbcTemplate(JdbcTemplate jdbcTemplate)
public void loadBeanDefinitions(String sql)
sql
- SQL query to use for loading bean definitions.
The first three columns must be bean name, property name and value.
Any join and any other columns are permitted: e.g.
SELECT BEAN_NAME, PROPERTY, VALUE FROM CONFIG WHERE CONFIG.APP_ID = 1
It's also possible to perform a join. Column names are not significant --
only the ordering of these first three columns.
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