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Class busrider.Junction

java.lang.Object
   |
   +----busrider.Indexed
           |
           +----busrider.Item
                   |
                   +----busrider.Junction

public class Junction
extends Item

This immutable class represents a junction. A junction has a name, and a collection of segments connecting to it. It may also have a popularity (the likelihood of being selected); if so it is a terminus.
For graphical purposes, it also has x- and y- coordinates.

Constructor Index

Junction(MutableJunction, BoardBuilder): constructs an object like the given MutableJunction.

Method Index

equals(Object): compares for name-equality.
getPopularity(): returns the junction's popularity.
getPX(): returns the junction's X-coordinate.
getPY(): returns the junction's Y-coordinate.
getSegment(int): returns the idx'th segment connecting to the junction.
getSegmentQuan(): returns the number of segments connecting to the junction.
isTerminus(): indicates whether the junction is a terminus.

Constructors

Junction

 public Junction(MutableJunction mj,
                 BoardBuilder bb)

constructs an object like the given MutableJunction.

Methods

equals

 public boolean equals(Object ob)

compares for name-equality.

Overrides:: equals in class Item

isTerminus

 public boolean isTerminus()

indicates whether the junction is a terminus.

getSegmentQuan

 public int getSegmentQuan()

returns the number of segments connecting to the junction.

getSegment

 public Segment getSegment(int idx)

returns the idx'th segment connecting to the junction.

getPopularity

 public int getPopularity()

returns the junction's popularity. The Board has the total popularity.

getPX

 public int getPX()

returns the junction's X-coordinate.

getPY

 public int getPY()

returns the junction's Y-coordinate.

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