org.cppftw.trains.model

Class Coach

java.lang.Object

org.cppftw.trains.model.Vehicle

org.cppftw.trains.model.Coach

All Implemented Interfaces:

Trailable

Direct Known Subclasses:

PassengerCoach

public class Coach
extends Vehicle
implements Trailable

The Coach class implements the coal wagons of the trains in the game. A Coach is pulled by the Vehicle it's connected to, that is, the Vehicle's nextCoach attribute is this. This behaviour is provided by the Trailable interface being implemented by Coach, and calling its step method.

Nested Class Summary

Nested classes/interfaces inherited from class org.cppftw.trains.model.Vehicle

Vehicle.Visitor

Constructor Summary

Constructors

Constructor and Description
Coach(Slot currentPlace) Creates a Coach occupying the position given by currentPlace pulling the object given by nextCoach.

Method Summary

Modifier and Type	Method and Description
void	accept(Vehicle.Visitor visitor)
void	step(Slot nextSlot, boolean hasPassengersAhead) Moves the Coach to the position given by nextSlot.

Methods inherited from class org.cppftw.trains.model.Vehicle

arrive, depart, getCurrentPlace, getNextCoach, setCurrentPlace, setNextCoach, setNextCoach

Methods inherited from class java.lang.Object

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

Constructor Detail

Coach

public Coach(Slot currentPlace)

Creates a Coach occupying the position given by currentPlace pulling the object given by nextCoach.

Parameters:

currentPlace - a Slot occupied by the Coach

Method Detail

step

public void step(Slot nextSlot,
                 boolean hasPassengersAhead)

Moves the Coach to the position given by nextSlot. It lets go of its current position and occupies the newly given position and pulls the object connected to it. In addition information about the presence of passengers in any Vehicles ahead is passed in the form of the parameter hasPassengersAhead. Between the position change and the pulling it also makes this Coach arrive at and depart from its currentPlace.

Specified by:

step in interface Trailable

Parameters:

nextSlot - the Slot to be occupied

hasPassengersAhead - there are passengers in the Trailable ahead of this

accept

public void accept(Vehicle.Visitor visitor)

Specified by:

accept in class Vehicle