Examples with QueryIterExtendByVar org.apache.jena.sparql.engine.iterator.QueryIterExtendByVar used on opensource projects

Example 1 with QueryIterExtendByVar

use of org.apache.jena.sparql.engine.iterator.QueryIterExtendByVar in project jena by apache.

the class SpatialOperationPFBase method variableSubject.

private QueryIterator variableSubject(Binding binding, Node s, SpatialMatch match, ExecutionContext execCxt) {
    Var v = Var.alloc(s);
    List<Node> r = query(match);
    // Make distinct. Note interaction with limit is imperfect
    r = Iter.iter(r).distinct().toList();
    QueryIterator qIter = new QueryIterExtendByVar(binding, v, r.iterator(), execCxt);
    return qIter;
}

Example 2 with QueryIterExtendByVar

use of org.apache.jena.sparql.engine.iterator.QueryIterExtendByVar in project jena by apache.

the class listMember method execObjectBound.

@Override
protected QueryIterator execObjectBound(Binding binding, Var listVar, Node predicate, Node object, ExecutionContext execCxt) {
    // Given a concrete node, find lists it's in
    GNode gnode = new GNode(execCxt.getActiveGraph(), object);
    List<Node> lists = GraphList.listFromMember(gnode);
    return new QueryIterExtendByVar(binding, listVar, lists.iterator(), execCxt);
}