| Package | Description | 
|---|---|
| org.eclipse.rdf4j.query.algebra | Abstract Query Algebra model. | 
| org.eclipse.rdf4j.query.algebra.evaluation.impl | |
| org.eclipse.rdf4j.query.algebra.helpers | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | AbstractAggregateOperatorBase class for shared functionality of aggregate operators (e.g. | 
| class  | AggregateOperatorBaseDeprecated. 
 since 2.0. Use  AbstractAggregateOperatorinstead. | 
| class  | AvgThe AVG operator as defined in http://www.w3.org/TR/sparql11-query/#aggregates. | 
| class  | Count | 
| class  | DatatypeThe DATATYPE function, as defined in SPARQL Query
 Language for RDF. | 
| class  | GroupConcatThe GROUP_CONCAT operator as defined in http://www.w3.org/TR/sparql11-query/#aggregates | 
| class  | IRIFunctionThe IRI function, as defined in SPARQL 1.1 Query Language
 for RDF. | 
| class  | IsBNode | 
| class  | IsLiteral | 
| class  | IsNumericIsNumeric - Boolean operator determining if the supplied expression represents a numeric value. | 
| class  | IsResource | 
| class  | IsURI | 
| class  | LabelThe LABEL function, which selects the label of literals. | 
| class  | LangThe LANG function, as defined in SPARQL Query Language for
 RDF. | 
| class  | LikeCompares the string representation of a value expression to a pattern. | 
| class  | LocalNameThe LOCAL NAME function, which selects the local name of URIs. | 
| class  | Max | 
| class  | Min | 
| class  | NamespaceThe NAMESPACE function, which selects the namespace of URIs. | 
| class  | NotA boolean NOT operator operating on a boolean expressions. | 
| class  | SampleThe SAMPLE operator as defined in http://www.w3.org/TR/sparql11-query/#aggregates | 
| class  | StrThe STR function, as defined in SPARQL Query Language for
 RDF; returns the label of literals or the string representation of URIs. | 
| class  | SumThe SUM operator as defined in http://www.w3.org/TR/sparql11-query/#aggregates | 
| Modifier and Type | Method and Description | 
|---|---|
| UnaryValueOperator | UnaryValueOperator. clone() | 
| Modifier and Type | Method and Description | 
|---|---|
| protected void | ConstantOptimizer.ConstantVisitor. meetUnaryValueOperator(UnaryValueOperator unaryValueOp) | 
| Modifier and Type | Method and Description | 
|---|---|
| protected void | QueryModelNodeReplacer. meetUnaryValueOperator(UnaryValueOperator node)Deprecated.  | 
| protected void | AbstractQueryModelVisitor. meetUnaryValueOperator(UnaryValueOperator node)Method called by all meet methods with a  UnaryValueOperatornode as argument. | 
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