Package org.apache.jackrabbit.oak.composite.impl

Class NonDefaultMountWriteReportingObserver

java.lang.Object

org.apache.jackrabbit.oak.composite.impl.NonDefaultMountWriteReportingObserver

All Implemented Interfaces:

Observer

public class NonDefaultMountWriteReportingObserver
extends Object
implements Observer

Reports writes to non-default mounts

This is a diagnostic observer and is expected to be used in scenarios where the CompositeNodeStore is configured in a 'seed' mode, where the non-default mounts are write-enabled.

In such scenarios it is useful to report writes to non-default mounts from components that are unexpected. For instance, it can report all writes that do not originate from the FileVault package installer.

Performance note: the overhead of this observer has not been measured, but as it is designed to be used only for initial setups the performance impact should not matter.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static @interface	NonDefaultMountWriteReportingObserver.Config

Constructor Summary

Constructors

Constructor	Description
NonDefaultMountWriteReportingObserver()

Method Summary

Modifier and Type	Method	Description
protected void	activate(NonDefaultMountWriteReportingObserver.Config cfg)
final void	contentChanged(NodeState root, CommitInfo info)	Observes a content change.

Methods inherited from class java.lang.Object

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

Constructor Details

NonDefaultMountWriteReportingObserver

public NonDefaultMountWriteReportingObserver()

Method Details

activate

protected void activate(NonDefaultMountWriteReportingObserver.Config cfg)

contentChanged

public final void contentChanged(NodeState root,
 CommitInfo info)

Description copied from interface: Observer

Observes a content change. See the Observer class javadocs and relevant repository and observer registration details for more information on when and how this method gets called.

Specified by:

contentChanged in interface Observer

Parameters:

root - root state of the repository

info - commit information