Class Filter
java.lang.Object
|
+----Filter
- public class Filter
- extends Object
- implements Runnable
This class implements an object thinner. It may be used, for instance,
to "thin" mouse motion events. Because mouse motion events usually come in
bursts, and the event processing time may be longer, they must be thinned
to avoid unpleasant bottleneck. An event is placed into a buffer of
unit size, and is dispatched to the event receiver. A delay timer
is started. Each incoming event will overwrite its undispatched
predecessor, if any. Events are dispatched from the buffer at a rate
defined by the delay (msec). This mechanism guarantees that the very
first and the very last events in a burst will be dispatched; other events
will be dispatched every delay interval. In case of mouse motion events,
losing some of them does not present a problem, since they contain entire
mouse state.
- See Also:
- ObjectReceiver
-
delay
- delay interval, msec
-
object
- object (event) buffer of unit size
-
thread
- dispatching thread
-
Filter(ObjectReceiver, long)
- Constructs an object burst filter.
-
put(Object)
-
-
run()
- Dispatches objects to the receiver.
-
setDelay(long)
- Sets delay interval.
object
Object object
- object (event) buffer of unit size
delay
long delay
- delay interval, msec
thread
Thread thread
- dispatching thread
Filter
public Filter(ObjectReceiver receiver,
long delay)
- Constructs an object burst filter.
- Parameters:
- receiver - object receiver to be notified.
- delay - dispatching delay interval in msec.
setDelay
public void setDelay(long delay)
- Sets delay interval.
- Parameters:
- delay - dispatching delay interval in msec.
run
public void run()
- Dispatches objects to the receiver.
put
public synchronized void put(Object object)