Package org.eclipse.rdf4j.query

Interface GraphQueryResult

All Superinterfaces:

AutoCloseable, CloseableIteration<Statement>, Iterable<Statement>, Iterator<Statement>, QueryResult<Statement>

All Known Implementing Classes:

BackgroundGraphResult, CachedGraphQueryResult, CleanerGraphQueryResult, IteratingGraphQueryResult, ReusableGraphQueryResult

public interface GraphQueryResult
extends QueryResult<Statement>

A representation of a query result as a sequence of Statement objects. Each query result consists of zero or more Statements and additionaly carries information about relevant namespace declarations. Note: take care to always close a GraphQueryResult after use to free any resources it keeps hold of.

Author:

Jeen Broekstra

Method Summary

Modifier and Type	Method	Description
Map<String,String>	getNamespaces()	Retrieves relevant namespaces from the query result.

Methods inherited from interface org.eclipse.rdf4j.common.iteration.CloseableIteration

close

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Methods inherited from interface java.util.Iterator

forEachRemaining, remove

Methods inherited from interface org.eclipse.rdf4j.query.QueryResult

hasNext, iterator, next, stream

Method Details

getNamespaces

Map<String,String> getNamespaces()
                          throws QueryEvaluationException

Retrieves relevant namespaces from the query result.
The contents of the Map may be modified after it is returned, as the initial return may be performed when the first RDF Statement is encountered.

Returns:

a Map<String, String> object containing (prefix, namespace) pairs.

Throws:

QueryEvaluationException