org.melati.poem

Class PersistentFactory

java.lang.Object

org.melati.poem.PersistentFactory

public final class PersistentFactory
extends Object

A factory for persisting pojos and recreating them.

Since:

14 Jun 2007

Author:

timp

Method Summary

Modifier and Type	Method and Description
static Object	from(Persistent persistent, Class<?> clazz) Reincarnate an object, populated from the store.
static Persistent	fromInstance(Database db, Object pojo)
static Persistent	populatedPersistent(Table<?> table, Object pojo)

Methods inherited from class java.lang.Object

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

Method Detail

fromInstance

public static Persistent fromInstance(Database db,
                                      Object pojo)

Parameters:

db - database to look in

pojo - the instance to create a Persistent from.

Returns:

A new or existing persisted Persistent

populatedPersistent

public static Persistent populatedPersistent(Table<?> table,
                                             Object pojo)

Parameters:

table - the Table the persisted pojo is to be stored in

pojo - the object to populate the Persistent from

Returns:

A floating Persistent with fields populated from the given pojo

from

public static Object from(Persistent persistent,
                          Class<?> clazz)
                   throws NoSuchMethodException

Reincarnate an object, populated from the store.

Parameters:

persistent - the Persistent to read from

clazz - the class to create a new, populated instance of

Returns:

an instance of the given Class, populated from the given Persistent

Throws:

NoSuchMethodException