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

Class RedundantJoinFKOptimizerImpl.RedundantJoinFKTransformer

java.lang.Object

it.unibz.inf.ontop.iq.transform.impl.DefaultRecursiveIQTreeVisitingTransformer

it.unibz.inf.ontop.iq.optimizer.impl.RedundantJoinFKOptimizerImpl.RedundantJoinFKTransformer

All Implemented Interfaces:

IQTreeTransformer, IQTreeVisitingTransformer

Enclosing class:

RedundantJoinFKOptimizerImpl

protected static class RedundantJoinFKOptimizerImpl.RedundantJoinFKTransformer
extends DefaultRecursiveIQTreeVisitingTransformer

Field Summary

Fields

Modifier and Type	Field	Description
protected TermFactory	termFactory

Fields inherited from class it.unibz.inf.ontop.iq.transform.impl.DefaultRecursiveIQTreeVisitingTransformer

iqFactory

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	RedundantJoinFKTransformer(CoreSingletons coreSingletons)

Method Summary

Modifier and Type	Method	Description
protected Optional<IQTree>	optimizeExtensionalChildren(it.unibz.inf.ontop.com.google.common.collect.ImmutableList<ExtensionalDataNode> extensionalChildren)
IQTree	transformInnerJoin(IQTree tree, InnerJoinNode rootNode, it.unibz.inf.ontop.com.google.common.collect.ImmutableList<IQTree> initialChildren)

Methods inherited from class it.unibz.inf.ontop.iq.transform.impl.DefaultRecursiveIQTreeVisitingTransformer

transformAggregation, transformBinaryNonCommutativeNode, transformConstruction, transformDistinct, transformEmpty, transformExtensionalData, transformFilter, transformIntensionalData, transformLeaf, transformLeftJoin, transformNaryCommutativeNode, transformNonStandardBinaryNonCommutativeNode, transformNonStandardLeafNode, transformNonStandardNaryNode, transformNonStandardUnaryNode, transformOrderBy, transformSlice, transformTrue, transformUnaryNode, transformUnion, transformValues

Methods inherited from class java.lang.Object

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

Methods inherited from interface it.unibz.inf.ontop.iq.transform.IQTreeVisitingTransformer

transform

Field Detail

termFactory

protected final TermFactory termFactory

Constructor Detail

RedundantJoinFKTransformer

protected RedundantJoinFKTransformer(CoreSingletons coreSingletons)

Method Detail

transformInnerJoin

public IQTree transformInnerJoin(IQTree tree,
                                 InnerJoinNode rootNode,
                                 it.unibz.inf.ontop.com.google.common.collect.ImmutableList<IQTree> initialChildren)

Specified by:

transformInnerJoin in interface IQTreeVisitingTransformer

Overrides:

transformInnerJoin in class DefaultRecursiveIQTreeVisitingTransformer

optimizeExtensionalChildren

protected Optional<IQTree> optimizeExtensionalChildren(it.unibz.inf.ontop.com.google.common.collect.ImmutableList<ExtensionalDataNode> extensionalChildren)