de.fuberlin.wiwiss.d2rq.engine
Class QueryEngineD2RQ
java.lang.Object
com.hp.hpl.jena.sparql.engine.QueryEngineBase
com.hp.hpl.jena.sparql.engine.main.QueryEngineMain
de.fuberlin.wiwiss.d2rq.engine.QueryEngineD2RQ
- All Implemented Interfaces:
- OpEval, Closeable
public class QueryEngineD2RQ
- extends QueryEngineMain
An ARQ query engine for D2RQ-mapped graphs. Allows evaluation of SPARQL
queries (or programmatically created operator trees) over a D2RQ-mapped
graph.
- Author:
- Richard Cyganiak (richard@cyganiak.de), Herwig Leimer
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
QueryEngineD2RQ
public QueryEngineD2RQ(GraphD2RQ graph,
Query query)
QueryEngineD2RQ
public QueryEngineD2RQ(GraphD2RQ graph,
Query query,
Context context)
QueryEngineD2RQ
public QueryEngineD2RQ(GraphD2RQ graph,
Op op,
Context context)
modifyOp
protected Op modifyOp(Op op)
- Overrides:
modifyOp
in class QueryEngineMain
getFactory
public static QueryEngineFactory getFactory()
register
public static void register()
unregister
public static void unregister()