Spring Job Scheduling using Task Scheduler - Cron expression (XML Config) | Spring tutorial

Click here to watch on Youtube:
https://www.youtube.com/watch?v=UHKr6O1WBQc&list=UUhwKlOVR041tngjerWxVccw

Click the below Image to Enlarge:

Spring Job Scheduling using Task Scheduler - Cron expression (XML Config) | Spring tutorial

Spring Job Scheduling using Task Scheduler - Cron expression (XML Config) | Spring tutorial

Spring Job Scheduling using Task Scheduler - Cron expression (XML Config) | Spring tutorial

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>5.0.9.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>


        <!-- https://mvnrepository.com/artifact/org.springframework/spring-context-support -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context-support</artifactId>
            <version>${spring.version}</version>
        </dependency>

    </dependencies>

</project>

ScheduledTasks.java

package com.ram.scheduler;

import java.text.SimpleDateFormat;
import java.util.Date;


public class ScheduledTasks
{
   
    private static final SimpleDateFormat dateFormat = new SimpleDateFormat(
            "HH:mm:ss");

    public void reportCurrentTime()
    {
        System.out.println(
                "Current time = " + dateFormat.format(new Date()));
    }
}

Spring-Scheduler.xml

<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns:context="http://www.springframework.org/schema/context"
    xmlns:task="http://www.springframework.org/schema/task"
    xsi:schemaLocation="http://www.springframework.org/schema/beans
    http://www.springframework.org/schema/beans/spring-beans-4.3.xsd
    http://www.springframework.org/schema/context
    http://www.springframework.org/schema/context/spring-context-4.3.xsd
    http://www.springframework.org/schema/task
    http://www.springframework.org/schema/task/spring-task-3.0.xsd">

    <bean id="scheduledTasks" class="com.ram.scheduler.ScheduledTasks" />

    <!-- Configure the scheduler -->
    <task:scheduler id="myScheduler" pool-size="10" />

    <!-- Configure parameters -->
    <task:scheduled-tasks scheduler="myScheduler">
        <task:scheduled ref="scheduledTasks" method="reportCurrentTime"
            cron="*/10 * * * * MON-FRI" />
    </task:scheduled-tasks>

</beans>

App.java

package com.ram.core;

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

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

Output

Dec 04, 2018 9:16:37 AM org.springframework.context.support.AbstractApplicationContext prepareRefresh
INFO: Refreshing org.springframework.context.support.ClassPathXmlApplicationContext@4783da3f: startup date [Tue Dec 04 09:16:37 IST 2018]; root of context hierarchy
Dec 04, 2018 9:16:37 AM org.springframework.beans.factory.xml.XmlBeanDefinitionReader loadBeanDefinitions
INFO: Loading XML bean definitions from class path resource [Spring-Scheduler.xml]
Dec 04, 2018 9:16:38 AM org.springframework.scheduling.concurrent.ExecutorConfigurationSupport initialize
INFO: Initializing ExecutorService  'myScheduler'
Current time = 09:16:40
Current time = 09:16:50
Current time = 09:17:00
Current time = 09:17:10

Refer: 
https://www.freeformatter.com/cron-expression-generator-quartz.html
 
Click the below link to download the code:
https://sites.google.com/site/ramj2eev2/java_basics/SpringDemo_Schedule_CRON_XML.zip?attredirects=0&d=1

Github Link:
https://github.com/ramram43210/javaee/tree/master/Spring_2018/SpringDemo_Schedule_CRON_XML

Bitbucket Link:
https://bitbucket.org/ramram43210/spring/src/0989e369f77ed192b0b224588ebfcdeb2019a6a2/Spring_2018/SpringDemo_Schedule_CRON_XML/?at=master

See also:

All JavaEE Videos Playlist

All JavaEE Videos

All JAVA EE Links

Spring Tutorial

Servlets Tutorial

All Design Patterns Links

JDBC Tutorial

Java Collection Framework Tutorial

JAVA Tutorial

Kids Tutorial

Cooking Tutorial