ExtensionUpgradingEvent (XWiki Commons - Extension - API 15.2-rc-1 API)

java.lang.Object
- org.xwiki.extension.event.AbstractExtensionEvent
- - org.xwiki.extension.event.ExtensionUpgradingEvent

All Implemented Interfaces:

ExtensionEvent, BeginEvent, Event
```
public class ExtensionUpgradingEvent
extends AbstractExtensionEvent
implements BeginEvent
```
An event triggered when a extension is going to be upgraded.
The event also send the following parameters:
- source: the related new LocalExtension instance
- data: a java.util.Collection<org.xwiki.extension.InstalledExtension> containing the previous InstalledExtension instances
Since:

9.2RC1

Version:

$Id: 4a1dfd82bdb9c4447844fb154cc654343aaf934a $

See Also:

ExtensionUpgradedEvent, ExtensionUpgradeFailedEvent

Constructor Summary

Constructors
Constructor	Description
`ExtensionUpgradingEvent()`	Matches all extensions.
`ExtensionUpgradingEvent(String extensionId)`	Matches only the specified extension id or/and version on every namespaces.
`ExtensionUpgradingEvent(ExtensionId extensionId)`	Matches only the specified extension id or/and version on every namespaces.
`ExtensionUpgradingEvent(ExtensionId extensionId, String namespace)`	Matches only the specified extension id or/and version.

Method Summary
- Methods inherited from class org.xwiki.extension.event.AbstractExtensionEvent
  getExtensionId, getNamespace, hasNamespace, matches
- Methods inherited from class java.lang.Object
  clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
- Methods inherited from interface org.xwiki.observation.event.Event
  matches

- Constructor Detail
  - ExtensionUpgradingEvent
```
public ExtensionUpgradingEvent()
```
    Matches all extensions.
  - ExtensionUpgradingEvent
```
public ExtensionUpgradingEvent(ExtensionId extensionId,
                               String namespace)
```
    Matches only the specified extension id or/and version.
    
    Parameters:
    
    extensionId - the extension identifier
    
    namespace - the namespace on which the event happened
  - ExtensionUpgradingEvent
```
public ExtensionUpgradingEvent(ExtensionId extensionId)
```
    Matches only the specified extension id or/and version on every namespaces.
    
    Parameters:
    
    extensionId - the extension identifier
  - ExtensionUpgradingEvent
```
public ExtensionUpgradingEvent(String extensionId)
```
    Matches only the specified extension id or/and version on every namespaces.
    
    Parameters:
    
    extensionId - the extension identifier