org.cppftw.trains.model

Class NotifierCoach

java.lang.Object

org.cppftw.trains.model.NotifierCoach

All Implemented Interfaces:

Trailable

public class NotifierCoach
extends java.lang.Object
implements Trailable

The class NotifierCoach represents the next after the last Coach of the train, which can be pulled and knows the Locomotive that is pulling it and the Controller it was created by. It notifies its Controller when the train it belongs to has no passengers.

Constructor Summary

Constructors

Constructor and Description
NotifierCoach(Controller controller, Locomotive locomotive) Creates a NotifierCoach and sets its controller and locomotive to the given Controller and Locomotive.

Method Summary

Modifier and Type	Method and Description
void	step(Slot nextSlot, boolean hasPassengersAhead) Implements the step method of the Trailable interface.

Methods inherited from class java.lang.Object

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

Constructor Detail

NotifierCoach

public NotifierCoach(Controller controller,
                     Locomotive locomotive)

Creates a NotifierCoach and sets its controller and locomotive to the given Controller and Locomotive.

Parameters:

controller - the Controller this NotifierCoach is being created by, which must be notified in case of an empty train

locomotive - the Locomotive the last Coach of which is to be pulling this NotifierCoach

Method Detail

step

public void step(Slot nextSlot,
                 boolean hasPassengersAhead)

Implements the step method of the Trailable interface. Since this NotifierCoach does not occupy a Slot it does not move, rather it notifies its Controller when the train it belongs to has no passengers. This is determined by the boolean parameter hasPassengersAhead passed along the entire train. Being false at this stage means there are no passengers ahead, and since this NotifierCoach can not have any passengers, there are no passengers on the train.

Specified by:

step in interface Trailable

Parameters:

nextSlot - the Slot to be occupied

hasPassengersAhead - there are passengers in the Trailables ahead of this