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Employee.sql
pom.xml
EmployeeDAO.java
EmployeeDAOImpl.java
applicationContext.xml
App.java
Output:
Click the below link to download the code:
https://sites.google.com/site/javaspringram2019/java_spring_2019/SpringDemo_delete_one_param.zip?attredirects=0&d=1
Github Link:
https://github.com/ramram43210/Java_Spring_2019/tree/master/Spring_2019/SpringDemo_delete_one_param
Bitbucket Link:
https://bitbucket.org/ramram43210/java_spring_2019/src/a3741618d82a4fb8b8d7a6751e0e628f0b8999ea/Spring_2019/SpringDemo_delete_one_param/?at=master
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https://www.youtube.com/watch?v=OgR-AcRtN0Y&list=UUhwKlOVR041tngjerWxVccw
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Spring + JdbcTemplate + Execute delete statement with one parameter example | Spring JDBC tutorial |
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');
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>${spring.version}</version>
</dependency>
<!-- MySQL database driver -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>8.0.11</version>
</dependency>
</dependencies>
</project>
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.ram.core</groupId>
<artifactId>SpringDemo</artifactId>
<packaging>jar</packaging>
<version>1.0-SNAPSHOT</version>
<name>SpringDemo</name>
<url>http://maven.apache.org</url>
<properties>
<spring.version>5.0.5.RELEASE</spring.version>
</properties>
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>3.8.1</version>
<scope>test</scope>
</dependency>
<!-- Spring 5 dependencies -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
<version>${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 void deleteByEmployeeId(int employeeId);
}
public interface EmployeeDAO
{
public void deleteByEmployeeId(int employeeId);
}
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 void deleteByEmployeeId(int employeeId)
{
String sql = "DELETE FROM EMPLOYEE WHERE EMPLOYEE_ID=?";
getJdbcTemplate().update(sql, employeeId);
}
}
import org.springframework.jdbc.core.support.JdbcDaoSupport;
import com.ram.employee.dao.EmployeeDAO;
public class EmployeeDAOImpl
extends JdbcDaoSupport implements EmployeeDAO
{
public void deleteByEmployeeId(int employeeId)
{
String sql = "DELETE FROM EMPLOYEE WHERE EMPLOYEE_ID=?";
getJdbcTemplate().update(sql, employeeId);
}
}
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>
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");
employeeDAO.deleteByEmployeeId(1);
System.out.println("employee row deleted successfully.");
}
}
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");
employeeDAO.deleteByEmployeeId(1);
System.out.println("employee row deleted successfully.");
}
}
Output:
Feb 08, 2019 10:17:37 AM org.springframework.context.support.AbstractApplicationContext prepareRefresh
INFO: Refreshing org.springframework.context.support.ClassPathXmlApplicationContext@35d176f7: startup date [Fri Feb 08 10:17:37 IST 2019]; root of context hierarchy
Feb 08, 2019 10:17:37 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 08, 2019 10:17:38 AM org.springframework.jdbc.datasource.DriverManagerDataSource setDriverClassName
INFO: Loaded JDBC driver: com.mysql.jdbc.Driver
Fri Feb 08 10:17:51 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.
ERROR: JDWP Unable to get JNI 1.2 environment, jvm->GetEnv() return code = -2
JDWP exit error AGENT_ERROR_NO_JNI_ENV(183): [util.c:840]
employee row deleted successfully.
INFO: Refreshing org.springframework.context.support.ClassPathXmlApplicationContext@35d176f7: startup date [Fri Feb 08 10:17:37 IST 2019]; root of context hierarchy
Feb 08, 2019 10:17:37 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 08, 2019 10:17:38 AM org.springframework.jdbc.datasource.DriverManagerDataSource setDriverClassName
INFO: Loaded JDBC driver: com.mysql.jdbc.Driver
Fri Feb 08 10:17:51 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.
ERROR: JDWP Unable to get JNI 1.2 environment, jvm->GetEnv() return code = -2
JDWP exit error AGENT_ERROR_NO_JNI_ENV(183): [util.c:840]
employee row deleted successfully.
Click the below link to download the code:
https://sites.google.com/site/javaspringram2019/java_spring_2019/SpringDemo_delete_one_param.zip?attredirects=0&d=1
Github Link:
https://github.com/ramram43210/Java_Spring_2019/tree/master/Spring_2019/SpringDemo_delete_one_param
Bitbucket Link:
https://bitbucket.org/ramram43210/java_spring_2019/src/a3741618d82a4fb8b8d7a6751e0e628f0b8999ea/Spring_2019/SpringDemo_delete_one_param/?at=master
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