Detailed introduction about scheduled

This article mainly introduces the detailed explanation of using annotations (@Scheduled) to create scheduled tasks in Spring 3. It has certain reference value. Interested friends can refer to it. The use of annotations has been strengthened in Spring 3, and scheduled tasks have also been enhanced. Now creating a scheduled task only requires two steps: create a Java class, add a method with no parameters and no return value, and use @Scheduled on the method. Modify it with annotations; add three nodes in the Spring configuration file; finally, explain that the Java class created in the first step must become a spring-manageable bean and can be written directly in XML , you can also @Component the following scheduled task class: /** * com.zywang.spring.task.SpringTaskDemo.java * @author ZYWANG 2011-3-9

1. Detailed explanation of examples of using annotations (@Scheduled) to create scheduled tasks in Spring3

Introduction: This article mainly introduces the detailed explanation of using annotations (@Scheduled) to create scheduled tasks in Spring 3. It has certain reference value. Interested friends can refer to it.

2. Java code example of using ScheduledExecutorService to replace Timer

Introduction: Continuing with concurrency, the last blog did not introduce ScheduledThreadPoolExecutor. I said that I would write a separate blog with Timer. 1. Defects of Timer in managing delayed tasks a. Timing was often used in projects before Timer, for example, cleans up some junk files in the project every once in a while, and performs data cleaning every period of time; however, Timer has some flaws, because Timer only creates one thread when executing scheduled tasks, so if there are multiple tasks , and the task time is too long, more than two times.

3. spring Detailed explanation of scheduled tasks@Scheduled

Introduction: This article mainly introduces the relevant information of spring scheduled task @Scheduled. The article introduces it in detail through sample code. I believe it will be a reference for everyone's understanding and learning. For reference value, friends in need can come and take a look below.

4. scheduledtimerwithtimeinterval Use curl to simulate user login code under php

##Introduction: scheduledtimerwithtimeinterval:scheduledtimerwithtimeinterval used under php The code for curl to simulate user login: bool curl_setopt (int ch, string option, mixed value) The curl_setopt() function will set options for a CURL session. The option parameter is the setting you want, and value is the value given by this option. The values ​​of the following options will be used as long integers (specified in the option parameter): *CURLOPT_INFILESIZE:

5. scheduledthreadpoolexecutor PHP VS ASP

Introduction: scheduledthreadpoolexecutor:scheduledthreadpoolexecutor PHP VS ASP: PHP versus ASP Thu, Aug 17, 2000; by John Lim. Preface: Microsoft's ASP is a powerful dynamic WEB page technology, I have used one I used ASP in 2006 and used it to create many WEB sites, but now my company is thinking about turning to another INTERNET technology called PHP for future WEB site development. The problem is that we are used to using ASP and love using it, so why should we switch to PHP? Open

6. 【mos shutdown】My Oracle Support is currently unavailable due to

Introduction: My Oracle Support is currently unavailable due to scheduled maintenance. Maintenance Start Date: Friday, Jan 30 Maintenance Start Time: San Francisco Friday 9:00 PM Pacific Orlando Saturday 12:00 AM Eastern GMT/UTC Saturday 5:00 AM London

7. mysql timer_MySQL

Introduction: The mysql timer is an event of mysql. In actual development, we sometimes need to To perform some operations regularly, most people use the ScheduledExecutorService class to create timings. If this kind of big data is updated, the running speed will be relatively busy. At this time, we can take the test

[Related Q&A Recommendations]:

java - spring task scheduled task to adjust an interface for sending text messages always reports a null pointer exception, and the debugging cannot reach the text message Go to the method of the interface implementation class

java - The difference between scheduleWithFixedDelay() and scheduleFixedRate()

python - How to solve the problem of automatic restart of apscheduler scheduled task , causing the fixed-point execution task to not be completed

ios - NSTimer scheduledTimerWithTimeInterval returns (null)

java - spring scheduled task execution exception

The above is the detailed content of Detailed introduction about scheduled. For more information, please follow other related articles on the PHP Chinese website!