businessmanager.java

这是一本描述JDBC数据库的书籍

/*
 * BusinessManager.java
 *
 * Created on June 10, 2005, 3:46 PM
 *
 * To change this template, choose Tools | Options and locate the template under
 * the Source Creation and Management node. Right-click the template and choose
 * Open. You can then make changes to the template in the Source Editor.
 */

package ch02.business;
import ch02.pojo.*;
import ch02.manager.*;
import ch02.jdbc.*;
import java.util.*;
import ch02.locator.*;


/**
 *
 * @author kevin
 */
public class BusinessManager {
   
    EmployeeDAO empDao = null;
    /** Creates a new instance of BusinessManager */
    public BusinessManager() throws Exception{
       empDao = ServiceLocator.getEmployeeDAO();
        
    }
    
    
    /**
     * 
     * @param emp 
     */
    public synchronized void addEmployee(IEmployee emp){
        empDao.addEmployee(emp);
    }
    
    /**
     * 
     * @param id 
     */
    public synchronized void deleteEmployee(String id){
        empDao.deleteEmployee(id);
    }
    
    /**
     * 
     * @param firstName 
     * @param lastName 
     * @return 
     */
    public List getEmployeeByName(String firstName, String lastName){
        List emps = empDao.loadEmployee();
        List results = new ArrayList();
        Iterator iter = emps.iterator();
        while(iter.hasNext()){
            IEmployee emp = (IEmployee)iter.next();
           
            if(emp.getFirstName().trim().equals(firstName) && 
               emp.getLastName().trim().equals(lastName)){
           
                results.add(emp);
            }
        }
        return results;
    }
    
    /**
     * 
     * @param employeeID 
     * @return 
     */
    public IEmployee getEmployeeByID(String employeeID){
        return empDao.getEmployee(employeeID);
    }
    

    
}