data record does not display after following this example

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kormem

Post subject: data record does not display after following this example

Posted: Jan 22, 2009 - 05:49 AM

Joined: Jan 07, 2009
Posts: 9

I am new with Spring + Hibernate +icefaces with MyEclipse 7. I might have a problem with a DAO: no error message but I cannot see any data record in IceFaces page;
would you help me

I am using:
- MyEclipse Derby as database
- myEclipse 7 Bench
- Spring 2.5
- Hibernate 3.2

//CustomerDAO

Code:

package com;

skip for import libraries

public class CustomerDAO extends HibernateDaoSupport {
private static final Log log = LogFactory.getLog(CustomerDAO.class);
// property constants
public static final String CUSTOMERNAME = "customername";
public static final String CONTACTLASTNAME = "contactlastname";
public static final String CONTACTFIRSTNAME = "contactfirstname";
public static final String PHONE = "phone";
public static final String ADDRESSLINE1 = "addressline1";
public static final String ADDRESSLINE2 = "addressline2";
public static final String CITY = "city";
public static final String STATE = "state";
public static final String POSTALCODE = "postalcode";
public static final String COUNTRY = "country";
public static final String SALESREPEMPLOYEENUMBER = "salesrepemployeenumber";
public static final String CREDITLIMIT = "creditlimit";

protected void initDao() {
   // do nothing
}
private EntityManager getEntityManager() {
   return EntityManagerHelper.getEntityManager();
}
public void save(Customer transientInstance) {
   log.debug("saving Customer instance");
   try {
      getHibernateTemplate().save(transientInstance);
      log.debug("save successful");
   } catch (RuntimeException re) {
      log.error("save failed", re);
      throw re;
   }
}

public void delete(Customer persistentInstance) {
   log.debug("deleting Customer instance");
   try {
      getHibernateTemplate().delete(persistentInstance);
      log.debug("delete successful");
   } catch (RuntimeException re) {
      log.error("delete failed", re);
      throw re;
   }
}
public Customer update(Customer detachedInstance) {
   EntityManagerHelper.log("updating Customer instance", Level.INFO, null);
   try {
      Customer result = getEntityManager().merge(detachedInstance);
      EntityManagerHelper.log("update successful", Level.INFO, null);
      return result;
   } catch (RuntimeException re) {
      EntityManagerHelper.log("update failed", Level.SEVERE, re);
      throw re;
   }
}
public Customer findById(java.lang.Integer id) {
   log.debug("getting Customer instance with id: " + id);
   try {
      Customer instance = (Customer) getHibernateTemplate().get(
            "com.Customer", id);
      return instance;
   } catch (RuntimeException re) {
      log.error("get failed", re);
      throw re;
   }
}

public List findByExample(Customer instance) {
   log.debug("finding Customer instance by example");
   try {
      List results = getHibernateTemplate().findByExample(instance);
      log.debug("find by example successful, result size: "
            + results.size());
      return results;
   } catch (RuntimeException re) {
      log.error("find by example failed", re);
      throw re;
   }
}

public List findByProperty(String propertyName, Object value) {
   log.debug("finding Customer instance with property: " + propertyName
         + ", value: " + value);
   try {
      String queryString = "from Customer as model where model."
            + propertyName + "= ?";
      return getHibernateTemplate().find(queryString, value);
   } catch (RuntimeException re) {
      log.error("find by property name failed", re);
      throw re;
   }
}

public List findByCustomername(Object customername) {
   return findByProperty(CUSTOMERNAME, customername);
}

public List findByContactlastname(Object contactlastname) {
   return findByProperty(CONTACTLASTNAME, contactlastname);
}

public List findByContactfirstname(Object contactfirstname) {
   return findByProperty(CONTACTFIRSTNAME, contactfirstname);
}

public List findByPhone(Object phone) {
   return findByProperty(PHONE, phone);
}

public List findByAddressline1(Object addressline1) {
   return findByProperty(ADDRESSLINE1, addressline1);
}

public List findByAddressline2(Object addressline2) {
   return findByProperty(ADDRESSLINE2, addressline2);
}

public List findByCity(Object city) {
   return findByProperty(CITY, city);
}

public List findByState(Object state) {
   return findByProperty(STATE, state);
}

public List findByPostalcode(Object postalcode) {
   return findByProperty(POSTALCODE, postalcode);
}

public List findByCountry(Object country) {
   return findByProperty(COUNTRY, country);
}

public List findBySalesrepemployeenumber(Object salesrepemployeenumber) {
   return findByProperty(SALESREPEMPLOYEENUMBER, salesrepemployeenumber);
}

public List findByCreditlimit(Object creditlimit) {
   return findByProperty(CREDITLIMIT, creditlimit);
}

public List findAll() {
   log.debug("finding all Customer instances");
   try {
      String queryString = "from Customer";
      return getHibernateTemplate().find(queryString);
   } catch (RuntimeException re) {
      log.error("find all failed", re);
      throw re;
   }
}

public Customer merge(Customer detachedInstance) {
   log.debug("merging Customer instance");
   try {
      Customer result = (Customer) getHibernateTemplate().merge(
            detachedInstance);
      log.debug("merge successful");
      return result;
   } catch (RuntimeException re) {
      log.error("merge failed", re);
      throw re;
   }
}

public void attachDirty(Customer instance) {
   log.debug("attaching dirty Customer instance");
   try {
      getHibernateTemplate().saveOrUpdate(instance);
      log.debug("attach successful");
   } catch (RuntimeException re) {
      log.error("attach failed", re);
      throw re;
   }
}

public void attachClean(Customer instance) {
   log.debug("attaching clean Customer instance");
   try {
      getHibernateTemplate().lock(instance, LockMode.NONE);
      log.debug("attach successful");
   } catch (RuntimeException re) {
      log.error("attach failed", re);
      throw re;
   }
}

public static CustomerDAO getFromApplicationContext(ApplicationContext ctx) {
   return (CustomerDAO) ctx.getBean("CustomerDAO");
}
}

kormem

Post subject:

Posted: Jan 22, 2009 - 05:50 AM

Joined: Jan 07, 2009
Posts: 9

additional code;
//SessionBean

Code:

package org.icefaces.ui;
skip for import libraries
public final class SessionBean extends Object {

private static boolean initialized = false;
private static final Object lock = new Object();

private CustomerDAO customerDAO = new CustomerDAO();
//private ArrayList<CustomerBean> customerList = new ArrayList<CustomerBean>();
private CustomerBean selectedCustomerBean;
private boolean selectedView = false;

private ArrayList<CustomerBean> customerList = new ArrayList<CustomerBean>();

public SessionBean(){
customerList.addAll(customerDAO.findAll());
}

public ArrayList<CustomerBean> getCustomerList() {
return customerList;
}

public void setCustomerList(ArrayList<CustomerBean> customerList) {
this.customerList = customerList;
}

/**
* @return the customerDAO
*/
public CustomerDAO getCustomerDAO() {
   return customerDAO;
}

public void setCustomerDAO(CustomerDAO customerDAO) {
   this.customerDAO = customerDAO;
}

public void rowSelected(RowSelectorEvent e) {
   selectedCustomerBean = customerList.get(e.getRow());
   selectedCustomerBean.setTempcontactfirstname(selectedCustomerBean
         .getCustomer().getContactfirstname());
   selectedCustomerBean.setTempcontactlastname(selectedCustomerBean
         .getCustomer().getContactlastname());
   selectedView = true;
}

public CustomerBean getSelectedCustomerBean() {
   return selectedCustomerBean;
}

public void setSelectedCustomerBean(CustomerBean selectedCustomerBean) {
   this.selectedCustomerBean = selectedCustomerBean;
}

public boolean isSelectedView() {
   return selectedView;
}

public void setSelectedView(boolean selectedView) {
   this.selectedView = selectedView;
}

public void commit(ActionEvent e) {
   selectedCustomerBean.getCustomer().setContactfirstname(
         selectedCustomerBean.getTempcontactfirstname());
   selectedCustomerBean.getCustomer().setContactlastname(
         selectedCustomerBean.getTempcontactlastname());
   EntityManagerHelper.beginTransaction();
   customerDAO.update(selectedCustomerBean.getCustomer());
   EntityManagerHelper.commit();
   selectedView = !selectedView;
}

public void cancel(ActionEvent e) {
   selectedView = !selectedView;
}
}

//applicatoncontext.xml

Code:

<?xml version="1.0" encoding="UTF-8"?>
<beans
xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd">

<bean id="sessionFactory"
   class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
   <property name="configLocation"
      value="classpath:hibernate.cfg.xml">
   </property>
</bean>
<bean id="CustomerDAO" class="com.CustomerDAO">
   <property name="sessionFactory">
      <ref bean="sessionFactory" />
   </property>
</bean></beans>

support-nipun

Post subject:

Posted: Feb 11, 2009 - 03:51 PM

Registered Member

Joined: Apr 18, 2007
Posts: 8013

You should try using transaction management in your code. That should help you persist the data.

_________________
Nipun
MyEclipse Support

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