FingerprintCleanupThread (Jenkins core 2.389 API)

java.lang.Object
- java.util.TimerTask
- - hudson.triggers.SafeTimerTask
  - - hudson.model.PeriodicWork
    - - hudson.model.AsyncPeriodicWork
      - hudson.model.FingerprintCleanupThread

All Implemented Interfaces:

ExtensionPoint, Runnable
```
@Extension
@Symbol("fingerprintCleanup")
@Restricted(org.kohsuke.accmod.restrictions.NoExternalUse.class)
public class FingerprintCleanupThread
extends AsyncPeriodicWork
```
Scans the fingerprint database and remove old records that are no longer relevant.
A Fingerprint is removed when none of the builds that it point to is available in the records.

Author:

Kohsuke Kawaguchi

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

FingerprintCleanupThread()

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`execute(TaskListener listener)`	Initiates the cleanup of fingerprints IF enabled.
`long`	`getRecurrencePeriod()`	Gets the number of milliseconds between successive executions.
`static void`	`invoke()`

Methods inherited from class hudson.model.AsyncPeriodicWork
createListener, doRun, getErrorLoggingLevel, getLogFile, getNormalLoggingLevel, getSlowLoggingLevel

Methods inherited from class hudson.model.PeriodicWork
all, getInitialDelay, 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
  - FingerprintCleanupThread
```
public FingerprintCleanupThread()
```
- 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
  - invoke
```
public static void invoke()
```
  - execute
```
public void execute(TaskListener listener)
```
    Initiates the cleanup of fingerprints IF enabled. In case of configured external storage, the file system based storage cleanup is also performed.
    
    Specified by:
    
    execute in class AsyncPeriodicWork
    
    Parameters:
    
    listener - Output sent will be reported to the users. (this work is TBD.)