Package org.apache.hadoop.hdfs.inotify

Class Event

java.lang.Object

org.apache.hadoop.hdfs.inotify.Event

Direct Known Subclasses:

Event.AppendEvent, Event.CloseEvent, Event.CreateEvent, Event.MetadataUpdateEvent, Event.RenameEvent, Event.TruncateEvent, Event.UnlinkEvent

@Public
@Unstable
public abstract class Event
extends java.lang.Object

Events sent by the inotify system. Note that no events are necessarily sent when a file is opened for read (although a MetadataUpdateEvent will be sent if the atime is updated).

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	Event.AppendEvent	Sent when an existing file is opened for append.
static class	Event.CloseEvent	Sent when a file is closed after append or create.
static class	Event.CreateEvent	Sent when a new file is created (including overwrite).
static class	Event.EventType
static class	Event.MetadataUpdateEvent	Sent when there is an update to directory or file (none of the metadata tracked here applies to symlinks) that is not associated with another inotify event.
static class	Event.RenameEvent	Sent when a file, directory, or symlink is renamed.
static class	Event.TruncateEvent	Sent when a file is truncated.
static class	Event.UnlinkEvent	Sent when a file, directory, or symlink is deleted.

Constructor Summary

Constructors

Constructor	Description
Event(Event.EventType eventType)

Method Summary

Modifier and Type	Method	Description
Event.EventType	getEventType()

Methods inherited from class java.lang.Object

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

Constructor Detail

Event

public Event(Event.EventType eventType)

Method Detail

getEventType

public Event.EventType getEventType()