net.sf.seaf.factory.impl
Class CachingFactory

java.lang.Object
  net.sf.seaf.factory.impl.support.DelegatingFactoryBase
      net.sf.seaf.factory.impl.CachingFactory

All Implemented Interfaces:

Factory

public class CachingFactory
extends DelegatingFactoryBase
implements Factory

Factory that caches object instances.

On each request, if an instance of the requested type has already been cached, returns the cached instance as is. Otherwise delegates its instantiation to a supplied instantiating factory, caches the newly created instance for further requests and returns it.

Constructor Summary

CachingFactory()
Default empty constructor.

CachingFactory(Factory instantiatingFactory)
Full constructor.

Method Summary

<Type> Type

getInstanceOf(Class<Type> type) Return an initialized instance of the specified type.

Methods inherited from class net.sf.seaf.factory.impl.support.DelegatingFactoryBase

getInstantiatingFactory, setInstantiatingFactory

Methods inherited from class java.lang.Object

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

Constructor Detail

CachingFactory

public CachingFactory()

Default empty constructor. The instantiating factory must be supplied via its setter method.

CachingFactory

public CachingFactory(Factory instantiatingFactory)

Full constructor.

Parameters:

instantiatingFactory - The instantiating factory

Method Detail

getInstanceOf

public final <Type> Type getInstanceOf(Class<Type> type)

Description copied from interface: Factory

Return an initialized instance of the specified type.

Specified by:

getInstanceOf in interface Factory

Parameters:

type - The type of the requested instance

Returns:

The instance