org.apache.clerezza.rdf.core.sparql.query
Interface GroupGraphPattern

All Superinterfaces:

GraphPattern

All Known Implementing Classes:

SimpleGroupGraphPattern

public interface GroupGraphPattern
extends GraphPattern

Defines a group graph pattern.

Author:

hasan

See Also:

SPARQL Query Language: 5.2 Group Graph Patterns

Method Summary

List<Expression>	getFilter()
Set<GraphPattern>	getGraphPatterns()

Method Detail

getGraphPatterns

Set<GraphPattern> getGraphPatterns()

Returns:

a set of all patterns, ANDed together.

getFilter

List<Expression> getFilter()

Returns:

a list of filter expressions for all patterns in the group if any, otherwise an empty list is returned.