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package example.corba;
import org.omg.CosNaming.*;
/*
* This class implements the server side of the example.
*
* $Id: StockDispenserImpl.java,v 1.4 2001/11/19 23:19:20 momjian 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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