1:/**
 2: * Title:       MyScheduledTask.java<p>
 3: * Description: A servlet to try out the Dynamo scheduler<p>
 4: * Company:     Critical Mass Productions Inc.<p>
 5: * @author      Darcy Schultz
 6: * @version     $Revision: $
 7: */
 8:import atg.nucleus.*;
 9:import atg.service.scheduler.*;
10:
11:public class MyScheduledTask extends GenericService implements Schedulable{
12:    /**
13:     * A handle to the Dynamo scheduler object
14:     */
15:    private Scheduler mScheduler = null;
16:
17:    /**
18:     * a private variable to store the job this object represents in the Dynamo scheduler
19:     */
20:    private int mJobId;
21:
22:    /**
23:     * a property to set the time between job executions
24:     */
25:    private long mTimeBetween;
26:
27:    /**
28:     * This constant is used for debugging a 'live' environment.
29:     * It returns information to positely identify the version of the class instance.
30:     * The string is automatically updated by CVS.
31:     */
32:    public static final String CVS_HEADER = "$Header: $ : $Name: $";
33:
34:    /**
35:     * get the Scheduler property
36:     */
37:    public Scheduler getScheduler(){
38:        return mScheduler;
39:    }
40:
41:    /**
42:     * set the Scheduler property
43:     */
44:    public void setScheduler( Scheduler pScheduler){
45:        if (pScheduler != mScheduler){
46:            mScheduler = pScheduler;
47:        }
48:    }
49:
50:    /**
51:     * set the time to wait between executions of this job
52:     * the service needs to be restarted to recognize a new time
53:     */
54:    public void setTimeBetween( long pTimeBetween){
55:        mTimeBetween = pTimeBetween;
56:    }
57:
58:    /**
59:     * get the time to wait between executions of this job
60:     */
61:    public long getTimeBetween(){
62:        return mTimeBetween;
63:    }
64:
65:    /**
66:     * The default constructor
67:     */
68:    public MyScheduledTask() {
69:    }
70:
71:    /**
72:     * Override this method to add this object to the Dynamo Scheduler
73:     */
74:    public void doStartService() throws ServiceException{
75:        mJobId = mScheduler.addScheduledJob(
76:            new ScheduledJob( "MyScheduledTask", "Prints Hello",
77:                this.getAbsoluteName(), new PeriodicSchedule( mTimeBetween ),
78:                this, ScheduledJob.REUSED_THREAD ) );
79:    }
80:
81:    /**
82:     * Remove this object from the scheduler
83:     */
84:    public void doStopService() throws ServiceException{
85:        mScheduler.removeScheduledJob( mJobId );
86:    }
87:
88:    /**
89:     *  This method gets fired by the Dynamo Scheduler.
90:     *  Include in the body of this method the stuff that you want to do
91:     */
92:
93:    public void performScheduledTask(Scheduler pScheduler, ScheduledJob pJob){
94:        System.out.println( "Hello, World!" );
95:    }
96:
97:}