wicket.contrib.phonebook

Class HibernateContactDao

java.lang.Object

wicket.contrib.phonebook.HibernateContactDao

All Implemented Interfaces:

ContactDao

public class HibernateContactDao
extends Object
implements ContactDao

implements ContactDao.

Author:

igor

Constructor Summary

Constructors

Constructor and Description
HibernateContactDao()

Method Summary

Modifier and Type	Method and Description
protected org.hibernate.Query	buildFindQuery(QueryParam qp, Contact filter, boolean count) builds a query object to satisfy the provided parameters
int	count(Contact filter) Return the number of Contacts in the DB.
void	delete(long id) Delete a Contact from the DB, given it's id.
Iterator<Contact>	find(QueryParam qp, Contact filter) Query the DB, using the supplied query details.
protected org.hibernate.Session	getSession() Helper method for retrieving hibernate session
List<String>	getUniqueLastNames() Returns a list of unique last names
Contact	load(long id) Load a Contact from the DB, given it's id .
Contact	save(Contact contact) Save the contact to the DB
void	setSessionFactory(org.hibernate.SessionFactory factory) Setter for session factory.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

HibernateContactDao

public HibernateContactDao()

Method Detail

setSessionFactory

public void setSessionFactory(org.hibernate.SessionFactory factory)

Setter for session factory. Spring will use this to inject the session factory into the dao.

Parameters:

factory - hibernate session factory

getSession

protected org.hibernate.Session getSession()

Helper method for retrieving hibernate session

Returns:

hibernate session

load

public Contact load(long id)

Load a Contact from the DB, given it's id .

Specified by:

load in interface ContactDao

Parameters:

id - The id of the Contact to load.

Returns:

Contact

save

public Contact save(Contact contact)

Save the contact to the DB

Specified by:

save in interface ContactDao

Parameters:

contact -

Returns:

persistent instance of contact

delete

public void delete(long id)

Delete a Contact from the DB, given it's id.

Specified by:

delete in interface ContactDao

Parameters:

id - The id of the Contact to delete.

find

public Iterator<Contact> find(QueryParam qp,
                              Contact filter)

Query the DB, using the supplied query details.

Specified by:

find in interface ContactDao

Parameters:

qp - Query Parameters to use.

Returns:

The results of the query as an Iterator.

count

public int count(Contact filter)

Return the number of Contacts in the DB.

Specified by:

count in interface ContactDao

Returns:

count

getUniqueLastNames

public List<String> getUniqueLastNames()

Returns a list of unique last names

Specified by:

getUniqueLastNames in interface ContactDao

Returns:

the list of all unique last names in the database

buildFindQuery

protected org.hibernate.Query buildFindQuery(QueryParam qp,
                                             Contact filter,
                                             boolean count)

builds a query object to satisfy the provided parameters

Parameters:

qp - sorting and paging criteria

filter - filter criteria

count - true if this is a query meant to retrieve the number of rows

Returns:

query object that satisfies the provided criteria