Class FedXArbitraryLengthPath

java.lang.Object

org.eclipse.rdf4j.query.algebra.AbstractQueryModelNode

org.eclipse.rdf4j.query.algebra.ArbitraryLengthPath

org.eclipse.rdf4j.federated.algebra.FedXArbitraryLengthPath

All Implemented Interfaces:

Serializable, Cloneable, FedXTupleExpr, QueryRef, VariableExpr, QueryModelNode, TupleExpr, VariableScopeChange

public class FedXArbitraryLengthPath
extends ArbitraryLengthPath
implements FedXTupleExpr

A specialization of ArbitraryLengthPath to maintain the QueryInfo

Author:

Andreas Schwarte

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
FedXArbitraryLengthPath(ArbitraryLengthPath path, QueryInfo queryInfo)

Method Summary

Modifier and Type	Method	Description
List<String>	getFreeVars()
QueryInfo	getQueryInfo()	Retrieve the attached query information of the tuple expression

Methods inherited from class ArbitraryLengthPath

clone, equals, getAssuredBindingNames, getBindingNames, getContextVar, getMinLength, getObjectVar, getOrder, getPathExpression, getScope, getSignature, getSubjectVar, getSupportedOrders, hashCode, replaceChildNode, setContextVar, setMinLength, setObjectVar, setOrder, setPathExpression, setScope, setSubjectVar, visit, visitChildren

Methods inherited from class AbstractQueryModelNode

getCardinality, getCostEstimate, getParentNode, getResultSizeActual, getResultSizeEstimate, getTotalTimeNanosActual, isCardinalitySet, isVariableScopeChange, nullEquals, replaceNodeInList, replaceWith, resetCardinality, setCardinality, setCostEstimate, setParentNode, setResultSizeActual, setResultSizeEstimate, setTotalTimeNanosActual, setVariableScopeChange, shouldCacheCardinality, toString

Methods inherited from class Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface FedXTupleExpr

getFreeVarCount

Methods inherited from interface QueryModelNode

equals, getCostEstimate, getParentNode, getResultSizeActual, getResultSizeEstimate, getSignature, getTotalTimeNanosActual, replaceChildNode, replaceWith, setCostEstimate, setParentNode, setResultSizeActual, setResultSizeEstimate, setTotalTimeNanosActual, toString, visit, visitChildren

Methods inherited from interface TupleExpr

clone, getAssuredBindingNames, getBindingNames, getOrder, getSupportedOrders, setOrder

Constructor Details

FedXArbitraryLengthPath

public FedXArbitraryLengthPath(ArbitraryLengthPath path,
 QueryInfo queryInfo)

Method Details

getFreeVars

public List<String> getFreeVars()

Specified by:

getFreeVars in interface VariableExpr

Returns:

a list of free (i.e. unbound) variables in this expression

getQueryInfo

public QueryInfo getQueryInfo()

Description copied from interface: QueryRef

Retrieve the attached query information of the tuple expression

Specified by:

getQueryInfo in interface QueryRef

Returns:

the QueryInfo