LJSA - Light Java Scheduler Application

A job scheduler configurable through RESTful web services.

Dependencies

multi-rpc 2.0.0

• git clone https://github.com/giosil/multi-rpc.git
• mvn clean install - this will publish multi-rpc-2.0.0.jar in Maven local repository

Build

• git clone https://github.com/giosil/LJSA.git
• mvn clean install

Implement a Job

import java.io.PrintStream;

import org.dew.ljsa.ALJSAJob;
import org.dew.ljsa.LJSAMap;
import org.dew.ljsa.OutputSchedulazione;
import org.dew.ljsa.Schedulazione;

public 
class ExampleLJSAJob extends ALJSAJob
{
  protected PrintStream psLog;
  
  @Override
  public
  void init(Schedulazione sched, OutputSchedulazione out)
    throws Exception
  {
    LJSAMap configurazione = sched.getConfigurazione();
    LJSAMap parametri      = sched.getParametri();
    
    psLog = new PrintStream(out.createReportFile("report.txt"), true);
  }
  
  @Override
  public 
  void execute(Schedulazione sched, OutputSchedulazione out)
    throws Exception 
  {
    psLog.println("Hello World.");
    
    out.setReport("Job completed.");
  }
  
  @Override
  public
  void destroy(Schedulazione sched, OutputSchedulazione out)
    throws Exception
  {
  }
  
  @Override
  public
  void exceptionOccurred(Throwable throwable)
    throws Exception
  {
    throwable.printStackTrace(psLog);
    psLog.println("Job aborted.");
  }
}

Database

Run LJSA GUI (org.dew.swingup.main.Main) from LJSA-gui (see gui folder) sub-project

Define class

Define activity

Schedule activity

View Job logs

Check Scheduler

Logs

File Manager

Launch LJSA GUI WebApp from LJSA-gui-web sub-project

Dependencies

wrapp

• git clone https://github.com/giosil/wrapp.git
• mvn clean install - this will produce wrapp.war in target directory

Build and deploy web application with Wrapp

• Create if not exists $HOME/cfg directory
• Copy json files from cfg to $HOME/cfg
• Deploy wrapp.war in your application server
• git clone https://github.com/giosil/LJSA.git
• cd gui-web
• mvn clean install - this will produce wljsa.war in target directory
• Launch http://localhost:8080/wrapp

Define class

Define activity

Schedule activity

Contributors

• Giorgio Silvestris