Package com.storedobject.job

Class DaemonJob

java.lang.Object

com.storedobject.job.Job

com.storedobject.job.DaemonJob

Direct Known Subclasses:

Alert, Controller, DataChangeProcessor, MessageSender, MQTTDataCollector

public abstract class DaemonJob
extends Job

Daemon job is a special Job and its Job.execute() method will be invoked only once, and it runs forever in the background. However, the Job.execute() method may be invoked again if an error occurred during the previous run or the isActive() method returns false when it is due again.

Author:

Syam

Constructor Summary

Constructors

Constructor	Description
DaemonJob(Schedule schedule)	Constructor.

Method Summary

Modifier and Type	Method	Description
boolean	isActive()	Check if the Job is still active or not.

Methods inherited from class com.storedobject.job.Job

alert, clean, execute, getDevice, getStatus, getTransactionManager, log, shutdown

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

DaemonJob

public DaemonJob(Schedule schedule)

Constructor.

Parameters:

schedule - Schedule defined for this Job.

Method Details

isActive

public boolean isActive()

Check if the Job is still active or not. (The default implementation always returns true). If this method returns false, the Job Scheduler will invoke the Job.execute() method again when it is due for the next run.

Returns:

True/false