org.aksw.jena_sparql_api.core.utils

Class QueryExecutionUtils

java.lang.Object

org.aksw.jena_sparql_api.core.utils.QueryExecutionUtils

public class QueryExecutionUtils
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
static com.hp.hpl.jena.sparql.core.Var	vg
static com.hp.hpl.jena.sparql.core.Var	vo
static com.hp.hpl.jena.sparql.core.Var	vp
static com.hp.hpl.jena.sparql.core.Var	vs

Constructor Summary

Constructors

Constructor and Description
QueryExecutionUtils()

Method Summary

Methods

Modifier and Type	Method and Description
static long	countQuery(com.hp.hpl.jena.query.Query query, QueryExecutionFactory qef)
static Set<com.hp.hpl.jena.sparql.core.Quad>	createDumpNQuads(QueryExecutionFactory qef)
static void	createDumpNQuads(QueryExecutionFactory qef, org.apache.jena.atlas.lib.Sink<com.hp.hpl.jena.sparql.core.Quad> sink)
static Iterator<com.hp.hpl.jena.sparql.core.Quad>	createIteratorDumpQuads(QueryExecutionFactory qef)
static Iterator<com.hp.hpl.jena.graph.Triple>	createIteratorDumpTriples(QueryExecutionFactory qef)
static Iterator<com.hp.hpl.jena.graph.Node>	executeIterator(QueryExecutionFactory qef, com.hp.hpl.jena.query.Query query)
static Iterator<com.hp.hpl.jena.graph.Node>	executeIterator(QueryExecutionFactory qef, com.hp.hpl.jena.query.Query query, com.hp.hpl.jena.sparql.core.Var var) Warning: the iterator must be consumed, otherwise there will be a resource leak!!!
static List<com.hp.hpl.jena.graph.Node>	executeList(QueryExecutionFactory qef, com.hp.hpl.jena.query.Query query)
static List<com.hp.hpl.jena.graph.Node>	executeList(QueryExecutionFactory qef, com.hp.hpl.jena.query.Query query, com.hp.hpl.jena.sparql.core.Var var)
static com.hp.hpl.jena.graph.Node	executeSingle(QueryExecutionFactory qef, com.hp.hpl.jena.query.Query query)
static com.hp.hpl.jena.graph.Node	executeSingle(QueryExecutionFactory qef, com.hp.hpl.jena.query.Query query, com.hp.hpl.jena.sparql.core.Var var)
static com.hp.hpl.jena.sparql.core.Var	extractProjectVar(com.hp.hpl.jena.query.Query query)

Methods inherited from class java.lang.Object

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

Field Detail

vg

public static final com.hp.hpl.jena.sparql.core.Var vg

vs

public static final com.hp.hpl.jena.sparql.core.Var vs

vp

public static final com.hp.hpl.jena.sparql.core.Var vp

vo

public static final com.hp.hpl.jena.sparql.core.Var vo

Constructor Detail

QueryExecutionUtils

public QueryExecutionUtils()

Method Detail

createIteratorDumpQuads

public static Iterator<com.hp.hpl.jena.sparql.core.Quad> createIteratorDumpQuads(QueryExecutionFactory qef)

createDumpNQuads

public static void createDumpNQuads(QueryExecutionFactory qef,
                    org.apache.jena.atlas.lib.Sink<com.hp.hpl.jena.sparql.core.Quad> sink)

createDumpNQuads

public static Set<com.hp.hpl.jena.sparql.core.Quad> createDumpNQuads(QueryExecutionFactory qef)

createIteratorDumpTriples

public static Iterator<com.hp.hpl.jena.graph.Triple> createIteratorDumpTriples(QueryExecutionFactory qef)

countQuery

public static long countQuery(com.hp.hpl.jena.query.Query query,
              QueryExecutionFactory qef)

extractProjectVar

public static com.hp.hpl.jena.sparql.core.Var extractProjectVar(com.hp.hpl.jena.query.Query query)

executeSingle

public static com.hp.hpl.jena.graph.Node executeSingle(QueryExecutionFactory qef,
                                       com.hp.hpl.jena.query.Query query)

executeSingle

public static com.hp.hpl.jena.graph.Node executeSingle(QueryExecutionFactory qef,
                                       com.hp.hpl.jena.query.Query query,
                                       com.hp.hpl.jena.sparql.core.Var var)

executeList

public static List<com.hp.hpl.jena.graph.Node> executeList(QueryExecutionFactory qef,
                                           com.hp.hpl.jena.query.Query query)

executeList

public static List<com.hp.hpl.jena.graph.Node> executeList(QueryExecutionFactory qef,
                                           com.hp.hpl.jena.query.Query query,
                                           com.hp.hpl.jena.sparql.core.Var var)

executeIterator

public static Iterator<com.hp.hpl.jena.graph.Node> executeIterator(QueryExecutionFactory qef,
                                                   com.hp.hpl.jena.query.Query query)

executeIterator

public static Iterator<com.hp.hpl.jena.graph.Node> executeIterator(QueryExecutionFactory qef,
                                                   com.hp.hpl.jena.query.Query query,
                                                   com.hp.hpl.jena.sparql.core.Var var)

Warning: the iterator must be consumed, otherwise there will be a resource leak!!!

Parameters:

qef -

query -

var -

Returns: