it.unibz.inf.ontop.generation.normalization.impl

Class ProjectOrderByTermsNormalizer

java.lang.Object

it.unibz.inf.ontop.generation.normalization.impl.ProjectOrderByTermsNormalizer

All Implemented Interfaces:

DialectExtraNormalizer

Direct Known Subclasses:

AlwaysProjectOrderByTermsNormalizer, OnlyInPresenceOfDistinctProjectOrderByTermsNormalizer

public class ProjectOrderByTermsNormalizer
extends Object
implements DialectExtraNormalizer

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	ProjectOrderByTermsNormalizer(boolean onlyInPresenceOfDistinct, CoreSingletons coreSingletons)

Method Summary

Modifier and Type	Method and Description
protected boolean	isSupported(com.google.common.collect.ImmutableSet<it.unibz.inf.ontop.model.term.Variable> projectedVariables, it.unibz.inf.ontop.generation.normalization.impl.ProjectOrderByTermsNormalizer.Analysis analysis, com.google.common.collect.ImmutableSet<Map.Entry<it.unibz.inf.ontop.model.term.Variable,it.unibz.inf.ontop.model.term.NonGroundTerm>> newBindings) Decides whether or not new bindings can be added
protected boolean	mayImpactDistinct(it.unibz.inf.ontop.model.term.ImmutableTerm term, com.google.common.collect.ImmutableSet<it.unibz.inf.ontop.model.term.ImmutableTerm> alreadyProjectedTerms) TODO: explain
it.unibz.inf.ontop.iq.IQTree	transform(it.unibz.inf.ontop.iq.IQTree tree, it.unibz.inf.ontop.utils.VariableGenerator variableGenerator)

Methods inherited from class java.lang.Object

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

Constructor Detail

ProjectOrderByTermsNormalizer

protected ProjectOrderByTermsNormalizer(boolean onlyInPresenceOfDistinct,
                                        CoreSingletons coreSingletons)

Method Detail

transform

public it.unibz.inf.ontop.iq.IQTree transform(it.unibz.inf.ontop.iq.IQTree tree,
                                              it.unibz.inf.ontop.utils.VariableGenerator variableGenerator)

Specified by:

transform in interface DialectExtraNormalizer

isSupported

protected boolean isSupported(com.google.common.collect.ImmutableSet<it.unibz.inf.ontop.model.term.Variable> projectedVariables,
                              it.unibz.inf.ontop.generation.normalization.impl.ProjectOrderByTermsNormalizer.Analysis analysis,
                              com.google.common.collect.ImmutableSet<Map.Entry<it.unibz.inf.ontop.model.term.Variable,it.unibz.inf.ontop.model.term.NonGroundTerm>> newBindings)

Decides whether or not new bindings can be added

mayImpactDistinct

protected boolean mayImpactDistinct(it.unibz.inf.ontop.model.term.ImmutableTerm term,
                                    com.google.common.collect.ImmutableSet<it.unibz.inf.ontop.model.term.ImmutableTerm> alreadyProjectedTerms)

TODO: explain