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package example.corba;
import org.omg.CosNaming.*;
/**
* This class implements the server side of the example.
*
* $Id: StockDispenserImpl.java,v 1.1 1999/01/25 21:22:03 scrappy Exp $
*/
public class StockDispenserImpl extends stock._StockDispenserImplBase
{
private int maxObjects = 10;
private int numObjects = 0;
private StockItemStatus[] stock = new StockItemStatus[maxObjects];
public StockDispenserImpl(String[] args,String name,int num)
{
super();
try {
// get reference to orb
org.omg.CORBA.ORB orb = org.omg.CORBA.ORB.init(args,null);
// prestart num objects
if(num>=maxObjects)
num=maxObjects;
numObjects = num;
for(int i=0;i<numObjects;i++) {
stock[i] = new StockItemStatus();
stock[i].ref = new StockItemImpl(args,"StockItem"+(i+1));
orb.connect(stock[i].ref);
}
} catch(org.omg.CORBA.SystemException e) {
e.printStackTrace();
}
}
/**
* This method, defined in stock.idl, reserves a slot in the dispenser
*/
public stock.StockItem reserveItem() throws stock.StockException
{
for(int i=0;i<numObjects;i++) {
if(!stock[i].inUse) {
stock[i].inUse = true;
System.out.println("Reserving slot "+i);
return stock[i].ref;
}
}
return null;
}
/**
* This releases a slot from the dispenser
*/
public void releaseItem(stock.StockItem item) throws stock.StockException
{
for(int i=0;i<numObjects;i++) {
if(stock[i].ref.getInstanceName().equals(item.getInstanceName())) {
stock[i].inUse = false;
System.out.println("Releasing slot "+i);
return;
}
}
System.out.println("Reserved object not a member of this dispenser");
return;
}
/**
* This class defines a slot in the dispenser
*/
class StockItemStatus
{
StockItemImpl ref;
boolean inUse;
StockItemStatus() {
ref = null;
inUse = false;
}
}
}
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