Package org.openrdf.query.algebra.evaluation.cursors

Examples of org.openrdf.query.algebra.evaluation.cursors.DelayedEvaluationCursor

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  {
    int size = union.getNumberOfArguments();
    Cursor<BindingSet>[] iters = new Cursor[size];
    for (int i = 0; i < size; i++) {
      final TupleExpr arg = union.getArg(i);
      iters[i] = new DelayedEvaluationCursor(this, arg, bindings);
    }

    return new UnionCursor<BindingSet>(iters);
  }
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  }

  public Cursor<BindingSet> evaluate(final Intersection intersection, final BindingSet bindings)
    throws StoreException
  {
    Cursor<BindingSet> leftArg = new DelayedEvaluationCursor(this, intersection.getLeftArg(), bindings);
    Cursor<BindingSet> rightArg = new DelayedEvaluationCursor(this, intersection.getRightArg(), bindings);
    return new IntersectCursor<BindingSet>(leftArg, rightArg);
  }
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  }

  public Cursor<BindingSet> evaluate(final Difference difference, final BindingSet bindings)
    throws StoreException
  {
    Cursor<BindingSet> leftArg = new DelayedEvaluationCursor(this, difference.getLeftArg(), bindings);
    Cursor<BindingSet> rightArg = new DelayedEvaluationCursor(this, difference.getRightArg(), bindings);
    return new MinusCursor<BindingSet>(leftArg, rightArg);
  }
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Related Classes of org.openrdf.query.algebra.evaluation.cursors.DelayedEvaluationCursor

  • org.openrdf.query.algebra.evaluation.impl.EvaluationStrategyImpl
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