org.apache.gora.persistency.impl

Class BeanFactoryImpl<K,T extends Persistent>

java.lang.Object

org.apache.gora.persistency.impl.BeanFactoryImpl<K,T>

All Implemented Interfaces:

BeanFactory<K,T>

public class BeanFactoryImpl<K,T extends Persistent>
extends Object
implements BeanFactory<K,T>

A default implementation of the BeanFactory interface. Constructs the keys using by reflection, Persistent objects by calling Persistent#newInstance(org.apache.gora.persistency.StateManager).

Constructor Summary

Constructors

Constructor and Description
BeanFactoryImpl(Class<K> keyClass, Class<T> persistentClass) Default constructor for this class.

Method Summary

Methods

Modifier and Type	Method and Description
K	getCachedKey() Returns an instance of the key object to be used to access static fields of the object.
T	getCachedPersistent() Returns an instance of the Persistent object to be used to access static fields of the object.
Class<K>	getKeyClass() Returns the key class
Class<T>	getPersistentClass() Returns the persistent class
boolean	isKeyPersistent()
K	newKey() Constructs a new instance of the key class
T	newPersistent() Constructs a new instance of the Persistent class

Methods inherited from class java.lang.Object

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

Constructor Detail

BeanFactoryImpl

public BeanFactoryImpl(Class<K> keyClass,
               Class<T> persistentClass)

Default constructor for this class.

Parameters:

keyClass. -

persistentClass -

Method Detail

newKey

public K newKey()
         throws Exception

Description copied from interface: BeanFactory

Constructs a new instance of the key class

Specified by:

newKey in interface BeanFactory<K,T extends Persistent>

Returns:

a new instance of the key class

Throws:

Exception

newPersistent

public T newPersistent()

Description copied from interface: BeanFactory

Constructs a new instance of the Persistent class

Specified by:

newPersistent in interface BeanFactory<K,T extends Persistent>

Returns:

a new instance of the Persistent class

getCachedKey

public K getCachedKey()

Description copied from interface: BeanFactory

Returns an instance of the key object to be used to access static fields of the object. Returned object MUST be treated as read-only. No fields other than the static fields of the object should be assumed to be readable.

Specified by:

getCachedKey in interface BeanFactory<K,T extends Persistent>

Returns:

a cached instance of the key object

getCachedPersistent

public T getCachedPersistent()

Description copied from interface: BeanFactory

Returns an instance of the Persistent object to be used to access static fields of the object. Returned object MUST be treated as read-only. No fields other than the static fields of the object should be assumed to be readable.

Specified by:

getCachedPersistent in interface BeanFactory<K,T extends Persistent>

Returns:

a cached instance of the Persistent object

getKeyClass

public Class<K> getKeyClass()

Description copied from interface: BeanFactory

Returns the key class

Specified by:

getKeyClass in interface BeanFactory<K,T extends Persistent>

Returns:

the key class

getPersistentClass

public Class<T> getPersistentClass()

Description copied from interface: BeanFactory

Returns the persistent class

Specified by:

getPersistentClass in interface BeanFactory<K,T extends Persistent>

Returns:

the persistent class

isKeyPersistent

public boolean isKeyPersistent()