org.qi4j.index.rdf.query
Class NamedSparqlDescriptor

java.lang.Object
  org.qi4j.index.rdf.query.NamedSparqlDescriptor

All Implemented Interfaces:

Serializable, NamedQueryDescriptor

public class NamedSparqlDescriptor
extends Object
implements NamedQueryDescriptor, Serializable

See Also:

Serialized Form

Constructor Summary

NamedSparqlDescriptor(String name, String query)

Method Summary

String	compose(Map<String,Object> variables, OrderBy[] orderBySegments, Integer firstResult, Integer maxResults) Creates a valid Query string.
String	language() Returns the name of the query language.
String	name() Returns the name of the query.
List<String>	variableNames() Returns a list of variable names allowed in the query.

Methods inherited from class java.lang.Object

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

Constructor Detail

NamedSparqlDescriptor

public NamedSparqlDescriptor(String name,
                             String query)

Method Detail

name

public String name()

Description copied from interface: NamedQueryDescriptor

Returns the name of the query.

Specified by:

name in interface NamedQueryDescriptor

Returns:

the name of the query as it is declared.

compose

public String compose(Map<String,Object> variables,
                      OrderBy[] orderBySegments,
                      Integer firstResult,
                      Integer maxResults)

Description copied from interface: NamedQueryDescriptor

Creates a valid Query string.

Specified by:

compose in interface NamedQueryDescriptor

Parameters:

variables - The variables used, and their values.

orderBySegments - The list of OrderBy instrctions.

firstResult - The offset into the resultset.

maxResults - The maximum number of results to be returned.

Returns:

A valid query in the language given.

language

public String language()

Description copied from interface: NamedQueryDescriptor

Returns the name of the query language.

Specified by:

language in interface NamedQueryDescriptor

Returns:

The formal name of the query language.

variableNames

public List<String> variableNames()

Description copied from interface: NamedQueryDescriptor

Returns a list of variable names allowed in the query.

Specified by:

variableNames in interface NamedQueryDescriptor

Returns:

a list of variable names allowed in the query.