it.unibz.inf.ontop.iq.node

Interface InnerJoinNode

All Superinterfaces:

Cloneable, CommutativeJoinNode, CommutativeJoinOrFilterNode, InnerJoinLikeNode, JoinLikeNode, JoinOrFilterNode, NaryOperatorNode, QueryNode

All Known Implementing Classes:

InnerJoinNodeImpl

public interface InnerJoinNode
extends InnerJoinLikeNode

See IntermediateQueryFactory for creating a new instance.

Method Summary

Modifier and Type	Method and Description
InnerJoinNode	acceptNodeTransformer(HomogeneousQueryNodeTransformer transformer) "Accept" method for the "Visitor" pattern.
InnerJoinNode	changeOptionalFilterCondition(Optional<ImmutableExpression> newOptionalFilterCondition) Constructs a new JoinLikeNode with the following optional filter condition (recall that a QueryNode is immutable).
InnerJoinNode	clone() Cloning is needed for having multiple copies in the same intermediate query tree.

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

getOptionalFilterCondition

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

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

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

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

Method Detail

clone

InnerJoinNode clone()

Description copied from interface: QueryNode

Cloning is needed for having multiple copies in the same intermediate query tree.

Specified by:

clone in interface InnerJoinLikeNode

Specified by:

clone in interface QueryNode

acceptNodeTransformer

InnerJoinNode 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 InnerJoinLikeNode

Specified by:

acceptNodeTransformer in interface NaryOperatorNode

Specified by:

acceptNodeTransformer in interface QueryNode

Throws:

QueryNodeTransformationException

changeOptionalFilterCondition

InnerJoinNode changeOptionalFilterCondition(Optional<ImmutableExpression> newOptionalFilterCondition)

Description copied from interface: JoinLikeNode

Constructs a new JoinLikeNode with the following optional filter condition (recall that a QueryNode is immutable).

Specified by:

changeOptionalFilterCondition in interface CommutativeJoinNode

Specified by:

changeOptionalFilterCondition in interface InnerJoinLikeNode

Specified by:

changeOptionalFilterCondition in interface JoinLikeNode