Package org.eclipse.rdf4j.sparqlbuilder.core

Class SparqlBuilder

  • public class SparqlBuilder
extends Object
    A class to with static methods to create SPARQL query elements.

    • Method Detail

      • var

        public static Variable var​(String varName)
        Create a SPARQL variable with a specific alias.
        Parameters:
        varName - the alias of the variable
        Returns:
        a new SPARQL variable

      • as

        public static Assignment as​(Assignable exp,
                            Variable var)
        Create a SPARQL assignment
        Parameters:
        exp - the expression to evaluate
        var - the variable to bind the expression value to
        Returns:
        an Assignment object

      • base

        public static Base base​(Iri iri)
        Create a SPARQL Base declaration
        Parameters:
        iri - the base iri
        Returns:
        a Base object

      • base

        public static Base base​(IRI iri)
        Create a SPARQL Base declaration
        Parameters:
        iri - the base iri
        Returns:
        a Base object

      • prefix

        public static Prefix prefix​(String alias,
                            Iri iri)
        Create a SPARQL Prefix declaration
        Parameters:
        alias - the alias of the prefix
        iri - the iri the alias refers to
        Returns:
        a Prefix object

      • prefix

        public static Prefix prefix​(String alias,
                            IRI iri)
        Create a SPARQL Prefix declaration
        Parameters:
        alias - the alias of the prefix
        iri - the iri the alias refers to
        Returns:
        a Prefix object

      • prefix

        public static Prefix prefix​(Iri iri)
        Create a SPARQL default Prefix declaration
        Parameters:
        iri - the default iri prefix
        Returns:
        a Prefix object

      • prefix

        public static Prefix prefix​(IRI iri)
        Create a SPARQL default Prefix declaration
        Parameters:
        iri - the default iri prefix as an IRI.
        Returns:
        a Prefix object

      • prefix

        public static Prefix prefix​(Namespace namespace)
        Create SPARQL Prefix declaration from the given Namespace.
        Parameters:
        namespace - the Namespace to convert to a prefix declaration.
        Returns:
        a Prefix object.

      • prefixes

        public static PrefixDeclarations prefixes​(Prefix... prefixes)
        Create a SPARQL Prefix clause
        Parameters:
        prefixes - prefix declarations to add to this Prefix clause
        Returns:
        a new

      • from

        public static From from​(Iri iri)
        Create a default graph reference
        Parameters:
        iri - the source of the graph
        Returns:
        a From clause
        See Also:
        RDF Datasets

      • from

        public static From from​(IRI iri)
        Create a default graph reference
        Parameters:
        iri - the source of the graph
        Returns:
        a From clause
        See Also:
        RDF Datasets

      • fromNamed

        public static From fromNamed​(Iri iri)
        Create a named graph reference
        Parameters:
        iri - the source of the graph
        Returns:
        a named From clause
        See Also:
        RDF Datasets

      • fromNamed

        public static From fromNamed​(IRI iri)
        Create a named graph reference
        Parameters:
        iri - the source of the graph
        Returns:
        a named From clause
        See Also:
        RDF Datasets

      • dataset

        public static Dataset dataset​(From... graphs)
        Create a dataset declaration
        Parameters:
        graphs -
        Returns:
        a new dataset clause
        See Also:
        RDF Datasets

      • select

        public static Projection select​(Projectable... projectables)
        Create a SPARQL projection
        Parameters:
        projectables - projectable elements to add to the projection
        Returns:
        a Projection

      • construct

        public static GraphTemplate construct​(TriplePattern... triples)
        Create a SPARQL graph template
        Parameters:
        triples - triples to add to the template
        Returns:
        a new SPARQL graph template

      • where

        public static QueryPattern where​(GraphPattern... patterns)
        Create a SPARQL query pattern
        Parameters:
        patterns - graph patterns to add to the query pattern
        Returns:
        a new Query Pattern

      • groupBy

        public static GroupBy groupBy​(Groupable... groupables)
        Create a SPARQL Group By clause
        Parameters:
        groupables - the group conditions
        Returns:
        a Group By clause

      • orderBy

        public static OrderBy orderBy​(Orderable... conditions)
        Create a SPARQL Order clause
        Parameters:
        conditions - the order conditions
        Returns:
        an Order By clause

      • having

        public static Having having​(Expression<?>... expressions)
        Create a SPARQL Having clause
        Parameters:
        expressions - the having conditions
        Returns:
        a Having clause

      • asc

        public static OrderCondition asc​(Orderable orderOn)
        Create an ascending SPARQL order condition
        Parameters:
        orderOn - the order comparator
        Returns:
        an ASC() order condition

      • desc

        public static OrderCondition desc​(Orderable orderOn)
        Create a descending SPARQL order condition
        Parameters:
        orderOn - the order comparator
        Returns:
        a DESC() order condition

      • triplesTemplate

        public static TriplesTemplate triplesTemplate​(TriplePattern... triples)
        Create a TriplesTemplate instance, for use with Construct and Update queries
        Parameters:
        triples - the triples to include in the triples template
        Returns:
        a TriplesTemplate of the given triples