org.jaffa.persistence.engines
Class PersistenceEngineFactory

java.lang.Object
  org.jaffa.persistence.engines.PersistenceEngineFactory

public class PersistenceEngineFactory

extends Object

A factory class that returns an instance of a Persistence Engine.

Constructor Summary

PersistenceEngineFactory()

Method Summary

static IPersistenceEngine

newInstance() Returns an instance of IPersistenceEngine.

Methods inherited from class java.lang.Object

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

Constructor Detail

PersistenceEngineFactory

public PersistenceEngineFactory()

Method Detail

newInstance

public static IPersistenceEngine newInstance()
                                      throws EngineInstantiationException

Returns an instance of IPersistenceEngine. It reads the 'framework.persistence.Persistence_Engine' property from the framework.properties file. It then instantiates the class returned by the property.

Returns:

an instance of IPersistenceEngine.

Throws:

EngineInstantiationException - if the property is not defined, or if the class cannot be found, or if the class canot be instantiated.