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

Example 1 with QueryIterDistinguishedVars

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

the class Eval method executeBGP.

private static QueryIterator executeBGP(BasicPattern pattern, QueryIterator input, ExecutionContext execCxt) {
    if (pattern.isEmpty())
        return input;
    boolean hideBNodeVars = execCxt.getContext().isTrue(ARQ.hideNonDistiguishedVariables);
    StageGenerator gen = StageBuilder.executeInline;
    QueryIterator qIter = gen.execute(pattern, input, execCxt);
    // Project out only named variables.
    if (hideBNodeVars)
        qIter = new QueryIterDistinguishedVars(qIter, execCxt);
    return qIter;
}