it.unibz.inf.ontop.iq

Interface LeafIQTree

All Superinterfaces:

Cloneable, ExplicitVariableProjectionNode, IQTree, QueryNode

All Known Subinterfaces:

DataNode<P>, EmptyNode, ExtensionalDataNode, IntensionalDataNode, NativeNode, TrueNode

All Known Implementing Classes:

DataNodeImpl, EmptyNodeImpl, ExtensionalDataNodeImpl, IntensionalDataNodeImpl, LeafIQTreeImpl, NativeNodeImpl, TrueNodeImpl

public interface LeafIQTree
extends IQTree, ExplicitVariableProjectionNode

Method Summary

Modifier and Type	Method and Description
LeafIQTree	acceptNodeTransformer(HomogeneousQueryNodeTransformer transformer) "Accept" method for the "Visitor" pattern.
LeafIQTree	getRootNode()

Methods inherited from interface it.unibz.inf.ontop.iq.IQTree

acceptTransformer, acceptVisitor, applyDescendingSubstitution, applyDescendingSubstitutionWithoutOptimizing, applyFreshRenaming, getChildren, getKnownVariables, getPossibleVariableDefinitions, getVariableNullability, getVariables, inferUniqueConstraints, isConstructed, isDeclaredAsEmpty, isDistinct, isEquivalentTo, isLeaf, liftIncompatibleDefinitions, normalizeForOptimization, propagateDownConstraint, removeDistincts, replaceSubTree, validate

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

getVariables

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

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

Method Detail

getRootNode

LeafIQTree getRootNode()

Specified by:

getRootNode in interface IQTree

acceptNodeTransformer

LeafIQTree acceptNodeTransformer(HomogeneousQueryNodeTransformer transformer)
                          throws QueryNodeTransformationException

Description copied from interface: QueryNode

"Accept" method for the "Visitor" pattern. To be implemented by leaf classes. If the transformation cannot be done, throw a QueryNodeTransformationException

Specified by:

acceptNodeTransformer in interface QueryNode

Throws:

QueryNodeTransformationException