kareltherobot
Class UrRobot

java.lang.Object
  java.util.Observable
      kareltherobot.UrRobot

All Implemented Interfaces:

Directions, java.lang.Runnable

Direct Known Subclasses:

Robot

public class UrRobot

extends java.util.Observable

implements Directions, java.lang.Runnable

The most basic kind of robot. All robot classes must extend this one either directly or indirectly. Provides the five basic robot actions. Also provides for a message passing protocol between robots similar to CSP.

Nested Class Summary

static interface

UrRobot.ConnectStrategy

Nested classes inherited from class kareltherobot.Directions

Directions.Direction

Field Summary

Fields inherited from interface kareltherobot.Directions

East, EastVal, infinity, North, NorthVal, South, SouthVal, West, WestVal

Constructor Summary

UrRobot(int street, int avenue, Directions.Direction direction, int beepers)

UrRobot(int street, int avenue, Directions.Direction direction, int beepers, java.awt.Color badgeColor)

Method Summary

void	acceptConnection(java.io.PipedOutputStream s, UrRobot.ConnectStrategy strat)
void	acceptConnectionFrom(UrRobot sender, java.io.PipedOutputStream s, UrRobot.ConnectStrategy strat)
java.io.BufferedWriter	connectTo(UrRobot other, UrRobot.ConnectStrategy strat)
java.lang.String	getNextCommunication()
boolean	isVisible()
void	move()
java.util.Enumeration	neighbors() Return an enumeration over all the other robots on the same corner as this robot
void	pickBeeper()
void	putBeeper()
void	run()
void	send(java.io.BufferedWriter other, java.lang.String s)
void	setPause(boolean pausing) Turn primitive pausing on or off.
void	setUserPause(boolean pausing) Turn user level pausing on or off.
void	setVisible(boolean visible)
void	showState(java.lang.String s)
java.lang.String	toString()
void	turnLeft()
void	turnOff()
void	userPause(java.lang.String message) Pause the robot and wait for the user to resume it with a return.
java.lang.String	waitForCommunication()
java.lang.String	waitForNextCommunication()

Methods inherited from class java.util.Observable

addObserver, countObservers, deleteObserver, deleteObservers, hasChanged, notifyObservers, notifyObservers

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

UrRobot

public UrRobot(int street,
               int avenue,
               Directions.Direction direction,
               int beepers,
               java.awt.Color badgeColor)

UrRobot

public UrRobot(int street,
               int avenue,
               Directions.Direction direction,
               int beepers)

Method Detail

turnLeft

public void turnLeft()

move

public void move()

pickBeeper

public void pickBeeper()

putBeeper

public void putBeeper()

turnOff

public void turnOff()

neighbors

public java.util.Enumeration neighbors()

Return an enumeration over all the other robots on the same corner as this robot

getNextCommunication

public java.lang.String getNextCommunication()

waitForCommunication

public java.lang.String waitForCommunication()

waitForNextCommunication

public java.lang.String waitForNextCommunication()

connectTo

public java.io.BufferedWriter connectTo(UrRobot other,
                                        UrRobot.ConnectStrategy strat)
                                 throws java.io.IOException

Throws:

java.io.IOException

acceptConnectionFrom

public void acceptConnectionFrom(UrRobot sender,
                                 java.io.PipedOutputStream s,
                                 UrRobot.ConnectStrategy strat)
                          throws java.io.IOException

Throws:

java.io.IOException

acceptConnection

public void acceptConnection(java.io.PipedOutputStream s,
                             UrRobot.ConnectStrategy strat)
                      throws java.io.IOException

Throws:

java.io.IOException

send

public void send(java.io.BufferedWriter other,
                 java.lang.String s)
          throws java.io.IOException

Throws:

java.io.IOException

run

public void run()

Specified by:

run in interface java.lang.Runnable

userPause

public void userPause(java.lang.String message)

Pause the robot and wait for the user to resume it with a return. * @param message the tail of the message to be printed when the robot halts.

setPause

public final void setPause(boolean pausing)

Turn primitive pausing on or off. When on the robot will halt before executing any primitive instruction * (all classes) * or evaluating any primitive predicate (Robot class and its subclasses only). * @param pausing true to turn pausing on.

setUserPause

public final void setUserPause(boolean pausing)

Turn user level pausing on or off. When on the robot will halt whenever it executes a userPause * instruction. * @param pausing true to turn pausing on.

toString

public final java.lang.String toString()

showState

public final void showState(java.lang.String s)

isVisible

public final boolean isVisible()

setVisible

public final void setVisible(boolean visible)