accountimpl.java

corba的java的快速开发实例

package com.hcycom.corba.example.bank;
import java.util.HashMap;
public class AccountImpl extends AccountPOA {
	static HashMap accounts = new HashMap();
    static {
	    accounts.put("james", new Integer(3000));
		accounts.put("thomas", new Integer(900));
	}
	private org.omg.CORBA.ORB orb;
 
	public AccountImpl(org.omg.CORBA.ORB orb) {
	    this.orb = orb;
	}

	// return "success" if succeeded, "failure" otherwise
	public String deposit (String accountName, int amount) {
	    if(accounts.containsKey(accountName)) {
		    Integer bal = (Integer)accounts.get(accountName);
			accounts.put(accountName, 
				new Integer(bal.intValue() + amount));
			return "success";
		}
		return "failure";
	}
	// return "success" if succeeded, "failure" otherwise
	public String withdraw (String accountName, int amount) {
		if(accounts.containsKey(accountName)) {
		    Integer bal = (Integer)accounts.get(accountName);
			if(bal.intValue() < amount) {
			    return "failure";
			}
			else {
			    accounts.put(accountName, 
					new Integer(bal.intValue() + amount));
				return "true";
			}
		}
		return "failure";
	}
	// return "success" if succeeded, "failure" otherwise
	public String getBalance (String accountName, org.omg.CORBA.IntHolder balance) {
	    if(accounts.containsKey(accountName)) {
		    Integer bal = (Integer)accounts.get(accountName);
			balance.value = bal.intValue();
			return "success";
		}
		return "failure";
	}
}