StandardWatchEventKinds

AI-generated Key Takeaways

• StandardWatchEventKinds defines standard event types used in file system monitoring.

• The events ENTRY_CREATE, ENTRY_DELETE, and ENTRY_MODIFY track the creation, deletion, and modification of directory entries, respectively.

• OVERFLOW is a special event type that indicates potential loss of file system events.

• Event details like count and context are provided by WatchEvent objects.

public final class StandardWatchEventKinds extends Object

Defines the standard event kinds.

Field Summary

public static final Kind<Path>	ENTRY_CREATE	Directory entry created.
public static final Kind<Path>	ENTRY_DELETE	Directory entry deleted.
public static final Kind<Path>	ENTRY_MODIFY	Directory entry modified.
public static final Kind<Object>	OVERFLOW	A special event to indicate that events may have been lost or discarded.

Inherited Method Summary

From class java.lang.Object

Object	clone() Creates and returns a copy of this Object.
boolean	equals(Object obj) Compares this instance with the specified object and indicates if they are equal.
void	finalize() Invoked when the garbage collector has detected that this instance is no longer reachable.
final Class<?>	getClass() Returns the unique instance of Class that represents this object's class.
int	hashCode() Returns an integer hash code for this object.
final void	notify() Causes a thread which is waiting on this object's monitor (by means of calling one of the wait() methods) to be woken up.
final void	notifyAll() Causes all threads which are waiting on this object's monitor (by means of calling one of the wait() methods) to be woken up.
String	toString() Returns a string containing a concise, human-readable description of this object.
final void	wait(long timeout, int nanos) Causes the calling thread to wait until another thread calls the notify() or notifyAll() method of this object or until the specified timeout expires.
final void	wait(long timeout) Causes the calling thread to wait until another thread calls the notify() or notifyAll() method of this object or until the specified timeout expires.
final void	wait() Causes the calling thread to wait until another thread calls the notify() or notifyAll() method of this object.

Fields

public static final Kind<Path> ENTRY_CREATE

Directory entry created.

When a directory is registered for this event then the WatchKey is queued when it is observed that an entry is created in the directory or renamed into the directory. The event count for this event is always 1.

public static final Kind<Path> ENTRY_DELETE

Directory entry deleted.

When a directory is registered for this event then the WatchKey is queued when it is observed that an entry is deleted or renamed out of the directory. The event count for this event is always 1.

public static final Kind<Path> ENTRY_MODIFY

Directory entry modified.

When a directory is registered for this event then the WatchKey is queued when it is observed that an entry in the directory has been modified. The event count for this event is 1 or greater.

public static final Kind<Object> OVERFLOW

A special event to indicate that events may have been lost or discarded.

The context for this event is implementation specific and may be null. The event count may be greater than 1.

See Also

• WatchService