An event or a repeated event for an object that is registered with a WatchService.
An event is classified by its kind and has a count to indicate the number of times that the event has been
observed. This allows for efficient representation of repeated events. The
context method returns any context associated with
the event. In the case of a repeated event then the context is the same for
all events.
Watch events are immutable and safe for use by multiple concurrent threads.
Nested Class Summary
| interface | WatchEvent.Kind<T> | An event kind, for the purposes of identification. | |
| interface | WatchEvent.Modifier | An event modifier that qualifies how a Watchable is registered
with a WatchService. |
|
Public Method Summary
| abstract T |
context()
Returns the context for the event.
|
| abstract int |
count()
Returns the event count.
|
| abstract Kind<T> |
kind()
Returns the event kind.
|
Public Methods
public abstract T context ()
Returns the context for the event.
In the case of ENTRY_CREATE,
ENTRY_DELETE, and ENTRY_MODIFY events the context is
a Path that is the relative path between
the directory registered with the watch service, and the entry that is
created, deleted, or modified.
Returns
- the event context; may be
null
public abstract int count ()
Returns the event count. If the event count is greater than 1
then this is a repeated event.
Returns
- the event count