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Class pinball.Watcher 

java.lang.Object
   |
   +----pinball.Watcher
public class Watcher
extends Object
implements Serializable
The monitor for the locks on the threads.

Variable Index

o analyzed
Buffer frame was analyzed.
o busyAnalysis
Buffer is in analysis.
o busyGrabber
Buffer is in frame grabber.
o busyPost
Buffer is in post.
o busyStrategy
Buffer is in strategy.
o empty
The values for the lock positions.
o grabed
Buffer frame was grabed.
o posted
Buffer frame was drawn on the screen.
o strategied
Buffer frame was used to make the flipping descision.

Constructor Index

o Watcher()
Setup the lock for the threads.

Method Index

o analyze(int)
Start analyze.
o analyzed(int)
End analyze.
o grab(int)
Start grab.
o grabed(int)
End grab.
o post(int)
Start display.
o posted(int)
End display.
o status()
Find the status of the lock.
o strategied(int)
End strategy.
o strategy(int)
Start strategy.

Variables

o empty 
 public final int empty
The values for the lock positions.

o grabed 
 public final int grabed
Buffer frame was grabed.

o analyzed 
 public final int analyzed
Buffer frame was analyzed.

o strategied 
 public final int strategied
Buffer frame was used to make the flipping descision.

o posted 
 public final int posted
Buffer frame was drawn on the screen.

o busyGrabber 
 public final int busyGrabber
Buffer is in frame grabber.

o busyAnalysis 
 public final int busyAnalysis
Buffer is in analysis.

o busyStrategy 
 public final int busyStrategy
Buffer is in strategy.

o busyPost 
 public final int busyPost
Buffer is in post.

Constructors

o Watcher 
 public Watcher()
Setup the lock for the threads.

Methods

o grab 
 public synchronized void grab(int d)
Start grab. Wait for frame to be empty.

Parameters:
id - id of buffer, used for debugging.
o grabed 
 public synchronized void grabed(int d)
End grab. Set frame to next stage status.

Parameters:
id - id of buffer, used for debugging.
o analyze 
 public synchronized void analyze(int d)
Start analyze. Wait for frame to be grabbed.

Parameters:
id - id of buffer, used for debugging.
o analyzed 
 public synchronized void analyzed(int d)
End analyze. Set frame to next stage status.

Parameters:
id - id of buffer, used for debugging.
o strategy 
 public synchronized void strategy(int d)
Start strategy. Wait for frame to be analyzed.

Parameters:
id - id of buffer, used for debugging.
o strategied 
 public synchronized void strategied(int d)
End strategy. Set frame to next stage status.

Parameters:
id - id of buffer, used for debugging.
o post 
 public synchronized void post(int d)
Start display. Wait for frame to got through strategy.

Parameters:
id - id of buffer, used for debugging.
o posted 
 public synchronized void posted(int d)
End display. Set frame to next stage status.

Parameters:
id - id of buffer, used for debugging.
o status 
 public synchronized int status()
Find the status of the lock.

Returns:
the status of the lock. 
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