stockitemimpl.java

关系型数据库 Postgresql 6.5.2

package example.corba;

import org.omg.CosNaming.*;

/**
 * This class implements the server side of the example.
 *
 * $Id: StockItemImpl.java,v 1.1 1999/01/25 21:22:04 scrappy Exp $
 */
public class StockItemImpl extends stock._StockItemImplBase
{
    private StockDB db;
    private String instanceName;
    
    public StockItemImpl(String[] args,String iname) {
	super();
	try {
	    db =new StockDB();
	    db.connect(args[1],args[2],args[3]);
	    System.out.println("StockDB object "+iname+" created");
	    instanceName = iname;
	} catch(Exception e) {
	    e.printStackTrace();
	}
    }
    
    /**
     * This is defined in stock.idl
     *
     * It sets the item to view
     */
    public void fetchItem(int id) throws stock.StockException {
	try {
	    db.fetchItem(id);
	} catch(Exception e) {
	    throw new stock.StockException(e.toString());
	}
    }
    
    
    /**
     * This is defined in stock.idl
     *
     * It sets the item to view
     */
    public int newItem() throws stock.StockException {
	try {
	    return db.newItem();
	} catch(Exception e) {
	    throw new stock.StockException(e.toString());
	}
    }
    
    /**
     * This is defined in stock.idl
     *
     * It returns the description of a Stock item
     */
    public String getDescription() throws stock.StockException {
	try {
	    return db.getDescription();
	} catch(Exception e) {
	    throw new stock.StockException(e.toString());
	}
    }
    
    /**
     * This is defined in stock.idl
     *
     * It returns the description of a Stock item
     */
    public int getAvailable() throws stock.StockException {
	try {
	    return db.getAvailable();
	} catch(Exception e) {
	    throw new stock.StockException(e.toString());
	}
    }
        
    /**
     * This is defined in stock.idl
     *
     * It returns the description of a Stock item
     */
    public int getOrdered() throws stock.StockException {
	try {
	    return db.getOrdered();
	} catch(Exception e) {
	    throw new stock.StockException(e.toString());
	}
    }
    
    /**
     * This is defined in stock.idl
     *
     * It returns the description of a Stock item
     */
    public boolean isItemValid() throws stock.StockException {
	try {
	    return db.isItemValid();
	} catch(Exception e) {
	    throw new stock.StockException(e.toString());
	}
    }
    
    /**
     * This is defined in stock.idl
     *
     * It returns the description of a Stock item
     */
    public void addNewStock(int id) throws stock.StockException {
	try {
	    db.addNewStock(id);
	} catch(Exception e) {
	    throw new stock.StockException(e.toString());
	}
    }

    /**
     * This is defined in stock.idl
     *
     * It returns the description of a Stock item
     */
    public void removeStock(int id) throws stock.StockException {
	try {
	    db.removeStock(id);
	} catch(Exception e) {
	    throw new stock.StockException(e.toString());
	}
    }
    
    /**
     * This is defined in stock.idl
     *
     * It returns the description of a Stock item
     */
    public void orderStock(int id) throws stock.StockException {
	try {
	    db.orderStock(id);
	} catch(Exception e) {
	    throw new stock.StockException(e.toString());
	}
    }
    
    /**
     * This returns the highest id used, hence the number of items available
     */
    public int getLastID() throws stock.StockException {
	try {
	    return db.getLastID();
	} catch(Exception e) {
	    throw new stock.StockException(e.toString());
	}
    }
    
    /**
     * This is used by our Dispenser
     */
    public String getInstanceName() {
	return instanceName;
    }
}