org.eclipse.rdf4j.query.algebra

## Interface ValueExpr

- All Superinterfaces:
    Cloneable, QueryModelNode, Serializable
  All Known Subinterfaces:
    AggregateOperator, FilterValueExpr
  All Known Implementing Classes:
    AbstractAggregateOperator, AggregateOperatorBase, And, Avg, BinaryValueOperator, BNodeGenerator, Bound, Coalesce, Compare, CompareAll, CompareAny, CompareSubQueryValueOperator, ConjunctiveFilterExpr, Count, Datatype, Exists, FilterExpr, FunctionCall, GroupConcat, If, In, IRIFunction, IsBNode, IsLiteral, IsNumeric, IsResource, IsURI, Label, Lang, LangMatches, Like, ListMemberOperator, LocalName, MathExpr, Max, Min, Namespace, NAryValueOperator, Not, Or, Regex, SameTerm, Sample, Str, SubQueryValueOperator, Sum, UnaryValueOperator, ValueConstant, ValueExprTripleRef, Var

      public interface ValueExpr
      extends QueryModelNode

  An expressions that evaluates to Value objects.

- - ### Method Summary

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method and Description
    --- | ---
    `ValueExpr` | `clone()` Returns a (deep) clone of this query model node.

    - ### Methods inherited from interface org.eclipse.rdf4j.query.algebra.QueryModelNode

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

- - ### Method Detail

    - #### clone

          ValueExpr clone()

      Description copied from interface: `QueryModelNode`
      Returns a (deep) clone of this query model node. This method recursively clones the entire node tree, starting from this nodes.
      Specified by:
        `clone` in interface `QueryModelNode`
      Returns:
        A deep clone of this query model node.

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