Class Coalesce

java.lang.Object

org.eclipse.rdf4j.query.algebra.AbstractQueryModelNode

org.eclipse.rdf4j.query.algebra.NAryValueOperator

org.eclipse.rdf4j.query.algebra.Coalesce

All Implemented Interfaces:

Serializable, Cloneable, QueryModelNode, ValueExpr, VariableScopeChange

public class Coalesce
extends NAryValueOperator

Author:

Jeen

See Also:

• Serialized Form

Field Summary

Fields inherited from class NAryValueOperator

args

Constructor Summary

Constructors

Constructor	Description
Coalesce()
Coalesce(List<ValueExpr> args)

Method Summary

Modifier and Type	Method	Description
<X extends Exception> void	visit(QueryModelVisitor<X> visitor)	Visits this node.

Methods inherited from class NAryValueOperator

addArgument, clone, equals, getArguments, hashCode, replaceChildNode, setArguments, visitChildren

Methods inherited from class AbstractQueryModelNode

getCardinality, getCostEstimate, getParentNode, getResultSizeActual, getResultSizeEstimate, getSignature, 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 QueryModelNode

getCostEstimate, getParentNode, getResultSizeActual, getResultSizeEstimate, getSignature, getTotalTimeNanosActual, replaceWith, setCostEstimate, setParentNode, setResultSizeActual, setResultSizeEstimate, setTotalTimeNanosActual, toString

Constructor Details

Coalesce

public Coalesce()

Coalesce

public Coalesce(List<ValueExpr> args)

Method Details

visit

public <X extends Exception> void visit(QueryModelVisitor<X> visitor)
                                 throws X

Description copied from interface: QueryModelNode

Visits this node. The node reports itself to the visitor with the proper runtime type.

Throws:

X