Examples with OpGroup org.apache.jena.sparql.algebra.op.OpGroup used on opensource projects

Example 1 with OpGroup

use of org.apache.jena.sparql.algebra.op.OpGroup in project jena by apache.

the class OpRewriter method visit.

@Override
public void visit(OpGroup opGroup) {
    opGroup.getSubOp().visit(this);
    ExprRewriter expRewriter = new ExprRewriter(values);
    VarExprList groupVars = rewrite(opGroup.getGroupVars());
    List<ExprAggregator> aggregators = new ArrayList<>();
    for (ExprAggregator ea : opGroup.getAggregators()) {
        ea.visit(expRewriter);
        aggregators.add((ExprAggregator) expRewriter.pop());
    }
    push(new OpGroup(pop(), groupVars, aggregators));
}