/**
* Construct a Docking Station object with touch screen, card reader and key issuer interface
* devices and a connection to a number of docking points.
*
* <p>If the instance name is <foo>, then the Docking Points are named <foo>.1 ...
* <foo>.<numPoints> .
*
* @param instanceName
*/
public DStation(String instanceName, int eastPos, int northPos, int numPoints) {
// Construct and make connections with interface devices
this.instanceName = instanceName;
this.eastPos = eastPos;
this.northPos = northPos;
touchScreen = new DSTouchScreen(instanceName + ".ts");
touchScreen.setObserver(this);
// Set observers to recognise "view activity" and "find free points" options
touchScreen.setViewActivityObserver(this);
touchScreen.setFindFreePointsObserver(this);
cardReader = new CardReader(instanceName + ".cr");
keyIssuer = new KeyIssuer(instanceName + ".ki");
keyReader = new KeyReader(instanceName + ".kr");
dockingPoints = new ArrayList<DPoint>();
for (int i = 1; i <= numPoints; i++) {
DPoint dp = new DPoint(instanceName + "." + i, i - 1);
dockingPoints.add(dp);
}
}
