Class EmptyNUnion
java.lang.Object
org.eclipse.rdf4j.query.algebra.AbstractQueryModelNode
org.eclipse.rdf4j.federated.algebra.NTuple
org.eclipse.rdf4j.federated.algebra.EmptyNUnion
- All Implemented Interfaces:
Serializable
,Cloneable
,EmptyResult
,QueryRef
,QueryModelNode
,TupleExpr
,VariableScopeChange
Algebra construct representing an empty union.
- Author:
- Andreas Schwarte
- See Also:
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Field Summary
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Constructor Summary
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Method Summary
Methods inherited from class org.eclipse.rdf4j.federated.algebra.NTuple
clone, getArg, getArgs, getAssuredBindingNames, getBindingNames, getNumberOfArguments, getOrder, getQueryInfo, getSupportedOrders, replaceChildNode, setOrder, visit, visitChildren
Methods inherited from class org.eclipse.rdf4j.query.algebra.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 java.lang.Object
equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
Methods inherited from interface org.eclipse.rdf4j.query.algebra.QueryModelNode
equals, getCostEstimate, getParentNode, getResultSizeActual, getResultSizeEstimate, getSignature, getTotalTimeNanosActual, replaceWith, setCostEstimate, setParentNode, setResultSizeActual, setResultSizeEstimate, setTotalTimeNanosActual, toString
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Constructor Details
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EmptyNUnion
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