Spring + JdbcTemplate + Execute delete statement with multiple parameters with object args example

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Spring + JdbcTemplate + Execute delete statement with multiple parameters with object args example

Employee.sql

CREATE DATABASE org_db;


CREATE TABLE `employee` (
  `EMPLOYEE_ID` INT(10) UNSIGNED NOT NULL AUTO_INCREMENT,
  `NAME` VARCHAR(100) NOT NULL,
  `AGE` INT(10) NOT NULL,
  `SALARY` INT(10) DEFAULT NULL,
  PRIMARY KEY (`EMPLOYEE_ID`)
) ENGINE=INNODB AUTO_INCREMENT=4 DEFAULT CHARSET=utf8;


INSERT INTO `employee` (`EMPLOYEE_ID`, `NAME`, `AGE`, `SALARY`) VALUES('1','Peter','28','80000');
INSERT INTO `employee` (`EMPLOYEE_ID`, `NAME`, `AGE`, `SALARY`) VALUES('2','John','50','40000');
INSERT INTO `employee` (`EMPLOYEE_ID`, `NAME`, `AGE`, `SALARY`) VALUES('3','David','45','20000');

pom.xml

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <groupId>com.ram.core</groupId>
    <artifactId>SpringDemo</artifactId>
    <packaging>jar</packaging>
    <version>1.0-SNAPSHOT</version>
    <name>SpringDemo</name>
    <url>http://maven.apache.org</url>

    <properties>
        <spring.version>5.0.5.RELEASE</spring.version>
    </properties>

    <dependencies>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>3.8.1</version>
            <scope>test</scope>
        </dependency>

        <!-- Spring 5 dependencies -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-core</artifactId>
            <version>${spring.version}</version>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</artifactId>
            <version>${spring.version}</version>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-jdbc</artifactId>
            <version>${spring.version}</version>
        </dependency>

        <!-- MySQL database driver -->
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>8.0.11</version>
        </dependency>

    </dependencies>

</project>

EmployeeDAO.java

package com.ram.employee.dao;

public interface EmployeeDAO
{
    public int deleteByEmployeeNameAndAge(String name,int age);
}

EmployeeDAOImpl.java

package com.ram.employee.dao.impl;

import org.springframework.jdbc.core.support.JdbcDaoSupport;

import com.ram.employee.dao.EmployeeDAO;

public class EmployeeDAOImpl
        extends JdbcDaoSupport implements EmployeeDAO
{

    public int deleteByEmployeeNameAndAge(String name,int age)
    {
        String sql = "DELETE FROM EMPLOYEE WHERE Name=? and AGE=?";
        int numberOfRowsAffected = getJdbcTemplate().update(sql, name,age);
        return numberOfRowsAffected;
    }

}

applicationContext.xml

<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-4.3.xsd">

    <bean id="dataSource"
        class="org.springframework.jdbc.datasource.DriverManagerDataSource">
        <property name="driverClassName" value="com.mysql.jdbc.Driver" />
        <property name="url" value="jdbc:mysql://localhost:3306/org_db" />
        <property name="username" value="root" />
        <property name="password" value="root" />
    </bean>

    <bean id="employeeDAO" class="com.ram.employee.dao.impl.EmployeeDAOImpl">
        <property name="dataSource" ref="dataSource" />
    </bean>
 
</beans>

App.java

package com.ram.core;

import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

import com.ram.employee.dao.EmployeeDAO;

public class App
{
    public static void main(String[] args)
    {
        ApplicationContext context = new ClassPathXmlApplicationContext(
                "applicationContext.xml");

        EmployeeDAO employeeDAO = (EmployeeDAO) context
                .getBean("employeeDAO");
        int numberOfRowsAffected = employeeDAO.deleteByEmployeeNameAndAge("Peter",28);
        System.out.println(numberOfRowsAffected + " employee row deleted successfully.");
    }
}

Output:

Feb 09, 2019 11:04:51 AM org.springframework.context.support.AbstractApplicationContext prepareRefresh
INFO: Refreshing org.springframework.context.support.ClassPathXmlApplicationContext@35d176f7: startup date [Sat Feb 09 11:04:50 IST 2019]; root of context hierarchy
Feb 09, 2019 11:04:51 AM org.springframework.beans.factory.xml.XmlBeanDefinitionReader loadBeanDefinitions
INFO: Loading XML bean definitions from class path resource [applicationContext.xml]
Loading class `com.mysql.jdbc.Driver'. This is deprecated. The new driver class is `com.mysql.cj.jdbc.Driver'. The driver is automatically registered via the SPI and manual loading of the driver class is generally unnecessary.
Feb 09, 2019 11:04:52 AM org.springframework.jdbc.datasource.DriverManagerDataSource setDriverClassName
INFO: Loaded JDBC driver: com.mysql.jdbc.Driver
Sat Feb 09 11:04:58 IST 2019 WARN: Establishing SSL connection without server's identity verification is not recommended. According to MySQL 5.5.45+, 5.6.26+ and 5.7.6+ requirements SSL connection must be established by default if explicit option isn't set. For compliance with existing applications not using SSL the verifyServerCertificate property is set to 'false'. You need either to explicitly disable SSL by setting useSSL=false, or set useSSL=true and provide truststore for server certificate verification.
1 employee row deleted successfully.

Click the below link to download the code:
https://sites.google.com/site/javaspringram2019/java_spring_2019/SpringDemo_delete_multi_param_args.zip?attredirects=0&d=1

Github Link:
https://github.com/ramram43210/Java_Spring_2019/tree/master/Spring_2019/SpringDemo_delete_multi_param_args

Bitbucket Link:
https://bitbucket.org/ramram43210/java_spring_2019/src/a3741618d82a4fb8b8d7a6751e0e628f0b8999ea/Spring_2019/SpringDemo_delete_multi_param_args/?at=master

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