org.apache.wicket.examples.repeater
Class ContactDataProvider

java.lang.Object
  org.apache.wicket.examples.repeater.ContactDataProvider

All Implemented Interfaces:

Serializable, IClusterable, IDataProvider<Contact>, IDetachable

public class ContactDataProvider
extends Object
implements IDataProvider<Contact>

Implementation of IDataProvider that retrieves contacts from the contact database.

Author:

igor

See Also:

Serialized Form

Constructor Summary

ContactDataProvider()

Method Summary

void	detach() Detaches model after use.
protected ContactsDatabase	getContactsDB()
Iterator<Contact>	iterator(int first, int count) retrieves contacts from database starting with index first and ending with first+count
IModel<Contact>	model(Contact object) wraps retrieved contact pojo with a wicket model
int	size() returns total number of contacts in the database

Methods inherited from class java.lang.Object

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

Constructor Detail

ContactDataProvider

public ContactDataProvider()

Method Detail

getContactsDB

protected ContactsDatabase getContactsDB()

iterator

public Iterator<Contact> iterator(int first,
                                  int count)

retrieves contacts from database starting with index first and ending with first+count

Specified by:

iterator in interface IDataProvider<Contact>

Parameters:

first - first row of data

count - minimum number of elements to retrieve

Returns:

iterator capable of iterating over {first, first+count} items

See Also:

IDataProvider.iterator(int, int)

size

public int size()

returns total number of contacts in the database

Specified by:

size in interface IDataProvider<Contact>

Returns:

total item count

See Also:

IDataProvider.size()

model

public IModel<Contact> model(Contact object)

wraps retrieved contact pojo with a wicket model

Specified by:

model in interface IDataProvider<Contact>

Parameters:

object - the object that needs to be wrapped

Returns:

the model representation of the object

See Also:

IDataProvider.model(java.lang.Object)

detach

public void detach()

Description copied from interface: IDetachable

Detaches model after use. This is generally used to null out transient references that can be re-attached later.

Specified by:

detach in interface IDetachable

See Also:

IDetachable.detach()