Package it.unibz.inf.ontop.iq.optimizer.impl

Class PostProcessableFunctionLifterImpl

java.lang.Object

it.unibz.inf.ontop.iq.optimizer.impl.PostProcessableFunctionLifterImpl

All Implemented Interfaces:

IQOptimizer, PostProcessableFunctionLifter

public class PostProcessableFunctionLifterImpl
extends Object
implements PostProcessableFunctionLifter

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	PostProcessableFunctionLifterImpl.ChildDefinitionLift
static class	PostProcessableFunctionLifterImpl.FunctionLifterTransformer
static class	PostProcessableFunctionLifterImpl.LiftState

Field Summary

Fields

Modifier and Type	Field	Description
protected OptimizationSingletons	optimizationSingletons

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	PostProcessableFunctionLifterImpl(OptimizationSingletons optimizationSingletons, IntermediateQueryFactory iqFactory)

Method Summary

Modifier and Type	Method	Description
protected IQTreeVisitingTransformer	createTransformer(VariableGenerator variableGenerator)	TODO: refactor IQTreeVisitingTransformer so as avoid to create fresh transformers
IQ	optimize(IQ query)

Methods inherited from class java.lang.Object

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

Field Detail

optimizationSingletons

protected final OptimizationSingletons optimizationSingletons

Constructor Detail

PostProcessableFunctionLifterImpl

@Inject
protected PostProcessableFunctionLifterImpl(OptimizationSingletons optimizationSingletons,
                                            IntermediateQueryFactory iqFactory)

Method Detail

optimize

public IQ optimize(IQ query)

Specified by:

optimize in interface IQOptimizer

createTransformer

protected IQTreeVisitingTransformer createTransformer(VariableGenerator variableGenerator)

TODO: refactor IQTreeVisitingTransformer so as avoid to create fresh transformers