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java.lang.Objectorg.gnu.glib.Idle
public final class Idle
Idle: an object that executes a Fireable
target object's
fire
method at the next available time. Similar to Swing's
invokeLater functionality.
For example, here's how an application clock might be implemented, where the
application passes in an Label
object as its pane:
private Idle later = new Idle(100, new Fireable() { public boolean fire() { String dateStr = DateFormat.getDateInstance() .format(new Date()); System.out.println("Invoked later!" + dateStr); return true; // continue firing } }); later.start();
Note: an Idle generates events on the application's GUI event queue. It also should only be used to directly fire short/fast methods. Longer methods need to be executed in a separate thread.
Fireable
,
Timer
Constructor Summary | |
---|---|
Idle(Fireable target)
Create a new Idle object. |
|
Idle(int priority,
Fireable target)
Create a new Idle object. |
Method Summary | |
---|---|
int |
getPriority()
Returns the execution priority for this Idle. |
boolean |
isRunning()
Returns whether this idle is running. |
void |
setPriority(int priority)
Set the execution priority for this Idle. |
void |
start()
Start this Idle object; that is, begin executing its fire method at the available execution slot in the mainloop. |
void |
stop()
Stop this idle object; that is, stop executing its fire method at its specified interval. |
Methods inherited from class java.lang.Object |
---|
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public Idle(int priority, Fireable target)
priority
- The execution priority of the object, from 0 (highest priority)
to Integer.MAX_VALUE (lowest priority).target
- the object whose fire() method gets called after the specified
time period elapses.
java.lang.IllegalArgumentException
- if less than zero.public Idle(Fireable target)
target
- the object whose fire() method gets called after the specified
time period elapses.
java.lang.IllegalArgumentException
- if less than zero.Method Detail |
---|
public final int getPriority()
public final void setPriority(int priority)
priority
- The execution priority of the object, from 0 (highest priority)
to Integer.MAX_VALUE (lowest priority).
java.lang.IllegalArgumentException
- if less than zero.public final void start()
public final boolean isRunning()
public final void stop()
fire
method returned false
.
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