com.atlassian.plugin.loaders.classloading
Class EmptyScanner

java.lang.Object
  com.atlassian.plugin.loaders.classloading.EmptyScanner

All Implemented Interfaces:

Scanner

public class EmptyScanner
extends Object
implements Scanner

A Scanner which never finds anything.

Since:

3.0.16

Constructor Summary

EmptyScanner()

Method Summary

Collection<DeploymentUnit>	getDeploymentUnits() Gets all deployment units currently being tracked by the scanner.
void	remove(DeploymentUnit unit) Remove the specified deployment unit in such a way as it will not be picked up by subsequent scans, even if the system is restarted.
void	reset() Reset the scanner.
Collection<DeploymentUnit>	scan() Scan for new deployment units.

Methods inherited from class java.lang.Object

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

Constructor Detail

EmptyScanner

public EmptyScanner()

Method Detail

scan

public Collection<DeploymentUnit> scan()

Description copied from interface: Scanner

Scan for new deployment units. On the first scan, all deployment units that the scanner can find will be returned. Subsequent scans will only return deployment units that are new since the last scan (or call to reset() or clear())

Specified by:

scan in interface Scanner

Returns:

all new deployment units since the last scan

getDeploymentUnits

public Collection<DeploymentUnit> getDeploymentUnits()

Description copied from interface: Scanner

Gets all deployment units currently being tracked by the scanner. This will not trigger a scan, meaning that plugins that have been added since the last scan will not be returned.

Specified by:

getDeploymentUnits in interface Scanner

Returns:

a collection of all deployment units currently being tracked by the scanner.

reset

public void reset()

Description copied from interface: Scanner

Reset the scanner. This causes it to forget all state about which plugins have (or haven't) been loaded.

Specified by:

reset in interface Scanner

remove

public void remove(DeploymentUnit unit)

Description copied from interface: Scanner

Remove the specified deployment unit in such a way as it will not be picked up by subsequent scans, even if the system is restarted.

Specified by:

remove in interface Scanner

Parameters:

unit - the deployment unit to remove