Load Two DataSources : DataSource « Spring « Java Tutorial

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Java Tutorial » Spring » DataSource 
28. 18. 5. Load Two DataSources

File: context.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:util="http://www.springframework.org/schema/util"
       xmlns:tx="http://www.springframework.org/schema/tx"
       xmlns:aop="http://www.springframework.org/schema/aop"
       xmlns:lang="http://www.springframework.org/schema/lang"
       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.0.xsd
                           http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-2.0.xsd
                           http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.0.xsd
                           http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.0.xsd
                           http://www.springframework.org/schema/lang http://www.springframework.org/schema/lang/spring-lang-2.0.xsd">


    <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">
        <property name="driverClassName" value="oracle.jdbc.driver.OracleDriver"/>
        <property name="url" value="jdbc:oracle:thin:@oracle.devcake.co.uk:1521:INTL"/>
        <property name="username" value="sa"/>
        <property name="password" value=""/>
    </bean>

    <bean id="mysqlDataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">
        <property name="driverClassName" value="com.mysql.jdbc.Driver"/>
        <property name="url" value="jdbc:mysql://dbhost-prospring-psql/prospring"/>
        <property name="username" value="sa"/>
        <property name="password" value=""/>
    </bean>

    <bean id="lobHandler" class="org.springframework.jdbc.support.lob.OracleLobHandler">
        <property name="nativeJdbcExtractor" ref="nativeJdbcExtractor"/>
    </bean>

    <bean id="nativeJdbcExtractor" class="org.springframework.jdbc.support.nativejdbc.CommonsDbcpNativeJdbcExtractor"/>

    <bean id="jdbcTemplate" class="org.springframework.jdbc.core.JdbcTemplate">
        <property name="dataSource" ref="dataSource"/>
    </bean>


</beans>

File: Main.java

import java.sql.Types;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import javax.sql.DataSource;

import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.jdbc.core.SqlParameter;
import org.springframework.jdbc.object.SqlUpdate;
import org.springframework.jdbc.support.GeneratedKeyHolder;
import org.springframework.jdbc.support.KeyHolder;

class Main {
  public static void main(String args[]) throws Exception {
    ApplicationContext ac = new ClassPathXmlApplicationContext("context.xml", Main.class);
    DataSource dataSource = (DataSourceac.getBean("dataSource");
    DataSource mysqlDataSource = (DataSourceac.getBean("mysqlDataSource");

    Insert insert new Insert(dataSource);
    insert.update(new Object[] { 3L"A""B", null, null });

  }
}

class Insert extends SqlUpdate {
  private static final String SQL = "insert into t_customer (id, first_name, last_name, last_login, "
      "comments) values (?, ?, ?, ?, ?)";

  Insert(DataSource dataSource) {
    super(dataSource, SQL);
    declareParameter(new SqlParameter(Types.INTEGER));
    declareParameter(new SqlParameter(Types.VARCHAR));
    declareParameter(new SqlParameter(Types.VARCHAR));
    declareParameter(new SqlParameter(Types.TIMESTAMP));
    declareParameter(new SqlParameter(Types.CLOB));
  }

  void insert(long id, String firstName, String lastName, Date lastLogin, String comments) {
    update(new Object[] { id, firstName, lastName, lastLogin, comments });
  }
}
  Download:  Spring-LoadTwoDataSources.zip( 3,655 k)
28. 18. DataSource
28. 18. 1. Configure Oracle DataSource
28. 18. 2. Set up DataSource for MySQL
28. 18. 3. DataSource for HSQL
28. 18. 4. JdbcOdbc DataSource
28. 18. 5. Load Two DataSources
28. 18. 6. Link With DataSource
28. 18. 7. Spring lazy init
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