model

Class Line

java.lang.Object

model.Line

All Implemented Interfaces:

java.lang.Iterable<Location>

public class Line
extends java.lang.Object
implements java.lang.Iterable<Location>

A line represents SIZE contiguous locations along a given row, column, or diagonal.

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.Iterable<Line>	ALL_LINES The set of all valid lines
static int	SIZE The number of marks in a row required for victory.

Constructor Summary

Constructors

Constructor and Description
Line(int r, int c, int dr, int dc) Create a line consisting of the locations (r,c), (r+dr, c+dc), (r+2dr, c+2dc), ...

Method Summary

Modifier and Type	Method and Description
boolean	contains(int r, int c) Return true if the given location is in this line
java.util.Iterator<Location>	iterator() Iterate over the locations in this line
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Field Detail

SIZE

public static final int SIZE

The number of marks in a row required for victory.

See Also:

Constant Field Values

ALL_LINES

public static final java.lang.Iterable<Line> ALL_LINES

The set of all valid lines

Constructor Detail

Line

public Line(int r,
            int c,
            int dr,
            int dc)
     throws java.lang.IllegalArgumentException

Create a line consisting of the locations (r,c), (r+dr, c+dc), (r+2dr, c+2dc), ... Create a Line object consisting of SIZE marks in a line, starting at position (r,c) and moving in direction (dr,dc). In other words, the contains locations (r,c), (r+dr, c+dc), (r+2dr, c+2dc), ..., (r+(SIZE-1)*dr,c+(SIZE-1)*dc).

Throws:

java.lang.IllegalArgumentException - if any of these locations are invalid.

java.lang.IllegalArgumentException - if (dr,dc) is (0,0) or |dr| > 1 or |dc| > 1

Method Detail

iterator

public java.util.Iterator<Location> iterator()

Iterate over the locations in this line

Specified by:

iterator in interface java.lang.Iterable<Location>

contains

public boolean contains(int r,
                        int c)

Return true if the given location is in this line

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object