it.unibz.inf.ontop.iq.node

Interface ExtendedProjectionNode

All Superinterfaces:

Cloneable, ExplicitVariableProjectionNode, QueryNode, UnaryOperatorNode

All Known Subinterfaces:

AggregationNode, ConstructionNode

All Known Implementing Classes:

AggregationNodeImpl, ConstructionNodeImpl, ExtendedProjectionNodeImpl

public interface ExtendedProjectionNode
extends ExplicitVariableProjectionNode, UnaryOperatorNode

Common abstraction for ConstructionNode and AggregationNode

Method Summary

Modifier and Type	Method and Description
com.google.common.collect.ImmutableSet<Variable>	getChildVariables() Variables that have to be provided by the child
ImmutableSubstitution<? extends ImmutableTerm>	getSubstitution() (Some) projected variable --> transformed variable

Methods inherited from interface it.unibz.inf.ontop.iq.node.ExplicitVariableProjectionNode

getVariables

Methods inherited from interface it.unibz.inf.ontop.iq.node.UnaryOperatorNode

acceptNodeTransformer, acceptTransformer, acceptVisitor, applyDescendingSubstitution, applyDescendingSubstitutionWithoutOptimizing, applyFreshRenaming, computeNotInternallyRequiredVariables, getPossibleVariableDefinitions, getVariableNullability, inferUniqueConstraints, isConstructed, isDistinct, liftIncompatibleDefinitions, normalizeForOptimization, propagateDownConstraint, removeDistincts, validateNode

Methods inherited from interface it.unibz.inf.ontop.iq.node.QueryNode

acceptVisitor, clone, getLocallyDefinedVariables, getLocallyRequiredVariables, getLocalVariables, getRequiredVariables, isEquivalentTo, isSyntacticallyEquivalentTo, isVariableNullable

Method Detail

getSubstitution

ImmutableSubstitution<? extends ImmutableTerm> getSubstitution()

(Some) projected variable --> transformed variable

getChildVariables

com.google.common.collect.ImmutableSet<Variable> getChildVariables()

Variables that have to be provided by the child