tasks
Class SudokuTask

java.lang.Object
  api.Task
      tasks.SudokuTask

All Implemented Interfaces:

TaskInterface, java.io.Serializable

public class SudokuTask
extends Task

See Also:

Serialized Form

Constructor Summary

SudokuTask(Board board, int row, int col, int value)
Constructor called when a child task is spawned recursively in the run method.

SudokuTask(int row, int col, int[][] userValues)
Constructor to be called by the client.

Method Summary

Result	run(Shared shared) Finds the next cell in the grid that has not yet been set and spawns children tasks with the possible values set.
void	setInput(Result r) Empty function.

Methods inherited from class api.Task

getDrainID, getInputCount, getTaskID, setComputer, setShared, setTaskID

Methods inherited from class java.lang.Object

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

Constructor Detail

SudokuTask

public SudokuTask(int row,
                  int col,
                  int[][] userValues)

Constructor to be called by the client. Constructs the original Suduko task to be solved.

Parameters:

row - The number of rows in the grid.

col - The number of columns in the grid.

userValues - The initial values set for a partially completed grid.

SudokuTask

public SudokuTask(Board board,
                  int row,
                  int col,
                  int value)

Constructor called when a child task is spawned recursively in the run method.

Parameters:

board - The partially solved board.

row - The row the cell to be set is in.

col - The column the cell to be set is in.

value - The value to set in the cell.

Method Detail

run

public Result run(Shared shared)

Finds the next cell in the grid that has not yet been set and spawns children tasks with the possible values set. Stops current task computation if the set value is found invalid.

Specified by:

run in interface TaskInterface

Specified by:

run in class Task

Returns:

The solution when it is found. null when there was no solution found.

setInput

public void setInput(Result r)

Description copied from class: Task

Empty function. SHOULD be overwritten by any classes that extend this class.

Specified by:

setInput in interface TaskInterface

Specified by:

setInput in class Task

Parameters:

r - The Result that is a partial solution.