How to implement a background job which starts only ONCE on Axon.ivy Engine PMV starts.

RunOnceOnServerStartEventBean.java

import java.util.*;

import ch.ivyteam.ivy.process.eventstart.*;
import ch.ivyteam.ivy.request.RequestException;
import ch.soreco.alag.exception.OperationFailedException;

/**
 * The {@code RunOnceOnServerStartEventBean} is an Ivy start event bean
 * {@linkplain IProcessStartEventBean}. It's is designed to start a process only
 * <strong>ONCE</strong> on the server startup.
 */
public class RunOnceOnServerStartEventBean extends AbstractProcessStartEventBean {

    public RunOnceOnServerStartEventBean() {
        super("RunOnceOnServerStartEventBean", "Run to start process");
    }
    
    public RunOnceOnServerStartEventBean(String name, String description) {
        super(name, description);
    }

    @Override
    public void initialize(IProcessStartEventBeanRuntime eventRuntime, String configuration) {
        super.initialize(eventRuntime, configuration);
        fireEventToStartProcess();
        turnOff();
    }

    /**
     * Fires an event to start the process using this event bean.
     */
    private void fireEventToStartProcess() {
        try {
            Map<String, Object> params = Collections.emptyMap();
            getEventBeanRuntime().fireProcessStartEventRequest(null, "", params);
        } catch (RequestException e) {
            throw new OperationFailedException(
                    "Cannot fire event to run process. The application may be not working as expected", e);
        }
    }

    /**
     * Disable this event bean by setting polling time to 0
     */
    private void turnOff() {
        getEventBeanRuntime().setPollTimeInterval(0);
    }

    public void poll() {
        // Do nothing
    }

}

Awesome Genzer!!!