org.openrdf.query
Interface Dataset

All Known Implementing Classes:

DatasetImpl

public interface Dataset

Represents a dataset against which queries can be evaluated. A dataset consists of a default graph, which is the RDF merge of one or more graphs, and a set of named graphs. See SPARQL Query Language for RDF for more info.

Author:

Simon Schenk, Arjohn Kampman

Method Summary

Set<URI>	getDefaultGraphs() Gets the default graph URIs of this dataset.
Set<URI>	getNamedGraphs() Gets the named graph URIs of this dataset.

Method Detail

getDefaultGraphs

Set<URI> getDefaultGraphs()

Gets the default graph URIs of this dataset. An empty set indicates that the default graph is an empty graph.

getNamedGraphs

Set<URI> getNamedGraphs()

Gets the named graph URIs of this dataset. An empty set indicates that there are no named graphs in this dataset.