Package jenkins

Class DailyCheck

java.lang.Object

java.util.TimerTask

hudson.triggers.SafeTimerTask

hudson.model.PeriodicWork

hudson.model.AsyncPeriodicWork

jenkins.DailyCheck

All Implemented Interfaces:

ExtensionPoint, Runnable

@Extension
@Restricted(org.kohsuke.accmod.restrictions.NoExternalUse.class)
@Symbol("updateCenterCheck")
public final class DailyCheck
extends AsyncPeriodicWork

Implements a daily update check for update sites and DownloadService.Downloadables that are due. Note that this does not mean that update center information is at most 24 hours old, but rather 24-48 hours. Downloadables are by default due every 24 hours, as are update sites. This check runs every 24 hours, but only updates what is already due, i.e. older than 24 hours. So this ensures that update site information is never older than 48 hours.

Nested Class Summary

Nested classes/interfaces inherited from class hudson.triggers.SafeTimerTask

SafeTimerTask.ExceptionRunnable

Nested classes/interfaces inherited from interface hudson.ExtensionPoint

ExtensionPoint.LegacyInstancesAreScopedToHudson

Field Summary

Fields inherited from class hudson.model.AsyncPeriodicWork

name

Fields inherited from class hudson.model.PeriodicWork

DAY, HOUR, logger, MIN

Constructor Summary

Constructors

Constructor	Description
DailyCheck()

Method Summary

Modifier and Type	Method	Description
protected void	execute(TaskListener listener)	Executes the task.
long	getInitialDelay()	Gets the number of milliseconds til the first execution.
long	getRecurrencePeriod()	Gets the number of milliseconds between successive executions.

Methods inherited from class hudson.model.AsyncPeriodicWork

createListener, doRun, getErrorLoggingLevel, getLogFile, getNormalLoggingLevel, getSlowLoggingLevel

Methods inherited from class hudson.model.PeriodicWork

all, init

Methods inherited from class hudson.triggers.SafeTimerTask

getLogsRoot, of, run

Methods inherited from class java.util.TimerTask

cancel, scheduledExecutionTime

Methods inherited from class java.lang.Object

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

Constructor Detail

DailyCheck

public DailyCheck()

Method Detail

getRecurrencePeriod

public long getRecurrencePeriod()

Description copied from class: PeriodicWork

Gets the number of milliseconds between successive executions.

Hudson calls this method once to set up a recurring timer, instead of calling this each time after the previous execution completed. So this class cannot be used to implement a non-regular recurring timer.

IOW, the method should always return the same value.

Specified by:

getRecurrencePeriod in class PeriodicWork

getInitialDelay

public long getInitialDelay()

Description copied from class: PeriodicWork

Gets the number of milliseconds til the first execution.

By default it chooses the value randomly between 0 and PeriodicWork.getRecurrencePeriod()

Overrides:

getInitialDelay in class PeriodicWork

execute

protected void execute(TaskListener listener)
                throws IOException,
                       InterruptedException

Description copied from class: AsyncPeriodicWork

Executes the task.

Specified by:

execute in class AsyncPeriodicWork

Parameters:

listener - Output sent will be reported to the users. (this work is TBD.)

Throws:

IOException - The caller will record the exception and moves on.

InterruptedException - The caller will record the exception and moves on.