Module org.apache.jena.core

Package org.apache.jena.reasoner.rulesys.impl

Class FRuleEngineIFactory

java.lang.Object

org.apache.jena.reasoner.rulesys.impl.FRuleEngineIFactory

public class FRuleEngineIFactory
extends Object

Factory class for creating FRuleEngineI. This class is a singleton pattern, the single global instance could be replaced to provide a custom implementation.

 
 MyFRuleEngineIFactory anotherFactory  = new MyFRuleEngineIFactory();
 FRuleEngineIFactory.setInstance(anotherFactory);
 
 

Constructor Summary

Constructors

Constructor	Description
FRuleEngineIFactory()

Method Summary

Modifier and Type	Method	Description
FRuleEngineI	createFRuleEngineI(ForwardRuleInfGraphI parent, List<Rule> rules, boolean useRETE)	Creates a ForwardRuleInfGraphI instance.
static FRuleEngineIFactory	getInstance()	Return the single global instance of this factory
static void	setInstance(FRuleEngineIFactory instance)	Replaces the custom global instance.

Methods inherited from class java.lang.Object

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

Constructor Details

FRuleEngineIFactory

public FRuleEngineIFactory()

Method Details

getInstance

public static FRuleEngineIFactory getInstance()

Return the single global instance of this factory

setInstance

public static void setInstance(FRuleEngineIFactory instance)

Replaces the custom global instance.

Parameters:

instance - the new factory instance

createFRuleEngineI

public FRuleEngineI createFRuleEngineI(ForwardRuleInfGraphI parent,
 List<Rule> rules,
 boolean useRETE)

Creates a ForwardRuleInfGraphI instance.

Parameters:

parent - the F or FB infGraph that it using the engine, the parent graph holds the deductions graph and source data.

rules - the rule set to be processed

useRETE - if true force this factory to create a RETEEngine otherwise a FRuleEngine is created.

Returns:

the created engine.