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

Class AbstractIntensionalQueryMerger

java.lang.Object

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

All Implemented Interfaces:

IQOptimizer

public abstract class AbstractIntensionalQueryMerger
extends Object
implements IQOptimizer

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected static class	AbstractIntensionalQueryMerger.QueryMergingTransformer	Replaces intensional data nodes by an IQTree Does NOT look for intensional data nodes inside the definitions

Field Summary

Fields

Modifier and Type	Field	Description
protected IntermediateQueryFactory	iqFactory

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	AbstractIntensionalQueryMerger(IntermediateQueryFactory iqFactory)

Method Summary

Modifier and Type	Method	Description
protected abstract AbstractIntensionalQueryMerger.QueryMergingTransformer	createTransformer(it.unibz.inf.ontop.com.google.common.collect.ImmutableSet<Variable> knownVariables)
IQ	optimize(IQ query)

Methods inherited from class java.lang.Object

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

Field Detail

iqFactory

protected final IntermediateQueryFactory iqFactory

Constructor Detail

AbstractIntensionalQueryMerger

protected AbstractIntensionalQueryMerger(IntermediateQueryFactory iqFactory)

Method Detail

optimize

public IQ optimize(IQ query)

Specified by:

optimize in interface IQOptimizer

createTransformer

protected abstract AbstractIntensionalQueryMerger.QueryMergingTransformer createTransformer(it.unibz.inf.ontop.com.google.common.collect.ImmutableSet<Variable> knownVariables)