org.eclipse.rdf4j.sparqlbuilder.core

Class SparqlBuilder

java.lang.Object

org.eclipse.rdf4j.sparqlbuilder.core.SparqlBuilder

public class SparqlBuilder
extends Object

A class to with static methods to create SPARQL query elements.

Method Summary

Modifier and Type	Method and Description
static Assignment	as(Assignable exp, Variable var) Create a SPARQL assignment
static OrderCondition	asc(Orderable orderOn) Create an ascending SPARQL order condition
static Base	base(Iri iri) Create a SPARQL Base declaration
static GraphTemplate	construct(TriplePattern... triples) Create a SPARQL graph template
static Dataset	dataset(From... graphs) Create a dataset declaration
static OrderCondition	desc(Orderable orderOn) Create a descending SPARQL order condition
static From	from(Iri iri) Create a default graph reference
static From	fromNamed(Iri iri) Create a named graph reference
static GroupBy	groupBy(Groupable... groupables) Create a SPARQL Group By clause
static Having	having(Expression<?>... expressions) Create a SPARQL Having clause
static OrderBy	orderBy(Orderable... conditions) Create a SPARQL Order clause
static Prefix	prefix(Iri iri) Create a SPARQL default Prefix declaration
static Prefix	prefix(IRI iri) Create a SPARQL default Prefix declaration
static Prefix	prefix(Namespace namespace) Create SPARQL Prefix declaration from the given Namespace.
static Prefix	prefix(String alias, Iri iri) Create a SPARQL Prefix declaration
static PrefixDeclarations	prefixes(Prefix... prefixes) Create a SPARQL Prefix clause
static Projection	select(Projectable... projectables) Create a SPARQL projection
static TriplesTemplate	triplesTemplate(TriplePattern... triples) Create a TriplesTemplate instance, for use with Construct and Update queries
static Variable	var(String varName) Create a SPARQL variable with a specific alias.
static QueryPattern	where(GraphPattern... patterns) Create a SPARQL query pattern

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

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

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(Namespace namespace)

Create SPARQL Prefix declaration from the given Namespace.

Parameters:

namespace - the Namespace to convert to a prefix declaration.

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

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

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