Soprano::Query Namespace Reference

Enumerations
enum	QueryLanguage {   QueryLanguageNone = 0x0, QueryLanguageSparql = 0x1, QueryLanguageRdql = 0x2, QueryLanguageSerql = 0x4,   QueryLanguageUser = 0x1000, QUERY_LANGUAGE_NONE = QueryLanguageNone, QUERY_LANGUAGE_SPARQL = QueryLanguageSparql, QUERY_LANGUAGE_RDQL = QueryLanguageRdql,   QUERY_LANGUAGE_SERQL = QueryLanguageSerql, QUERY_LANGUAGE_USER = QueryLanguageUser }
Functions
SOPRANO_EXPORT QueryLanguage	queryLanguageFromString (const QString &queryLanguage)
SOPRANO_EXPORT QString	queryLanguageToString (Soprano::Query::QueryLanguage lang, const QString &userQueryLanguage=QString())

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Enumeration Type Documentation

enum Soprano::Query::QueryLanguage

Soprano defines a set of well-known query languages that can be used to serialize queries.

Additional languages may be supported using Query::QueryLanguageUser in combination with string codes.

See also:

Model::executeQuery, Query::Parser, Query::Serializer

Enumerator:

QueryLanguageNone	No query language.
QueryLanguageSparql	The SPARQL query language: http://www.w3.org/TR/rdf-sparql-query/.
QueryLanguageRdql	The RDQL RDF query language: http://www.w3.org/Submission/2004/SUBM-RDQL-20040109/.
QueryLanguageSerql	Sesame RDF Query Language: http://openrdf.org/doc/sesame2/users/ch05.html.
QueryLanguageUser	The user type can be used to introduce unknown query lanaguages by name.
QUERY_LANGUAGE_NONE	Deprecated: use Soprano::Query::QueryLanguageNone
QUERY_LANGUAGE_SPARQL	Deprecated: use Soprano::Query::QueryLanguageSparql
QUERY_LANGUAGE_RDQL	Deprecated: use Soprano::Query::QueryLanguageRdql
QUERY_LANGUAGE_SERQL	Deprecated: use Soprano::Query::QueryLanguageSerql
QUERY_LANGUAGE_USER	Deprecated: use Soprano::Query::QueryLanguageUser

Definition at line 129 of file sopranotypes.h.

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Function Documentation

SOPRANO_EXPORT QueryLanguage Soprano::Query::queryLanguageFromString

(

const QString &

queryLanguage

)

Convert a query language string into a Soprano::Query::QueryLanguage value.

Parameters:

queryLanguage

The query language string to convert.

Returns:

The QueryLanguage value corresponding to queryLanguage or Soprano::Query::QueryLanguageUser if it is unknown.

SOPRANO_EXPORT QString Soprano::Query::queryLanguageToString	(	Soprano::Query::QueryLanguage	lang,
		const QString &	userQueryLanguage = QString()
	)

Convert a Soprano::Query::QueryLanguage value into a string representation.

Parameters:

	lang	The query language to convert
	userQueryLanguage	If lang equals Query::QueryLanguageUser, userQueryLanguage defines the language to use.

Returns:

A string representation of lang. If lang equals Soprano::Query::QueryLanguageUser, the method simply returns userQueryLanguage.