Examples of org.openrdf.query.algebra.Join

org.openrdf.query.algebra.Join
A natural join between two tuple expressions.

      node.replaceWith(replacement);
    }


    protected void getJoinArgs(TupleExpr tupleExpr, List<TupleExpr> joinArgs) {
      if (tupleExpr instanceof Join) {
        Join join = (Join)tupleExpr;
        getJoinArgs(join.getLeftArg(), joinArgs);
        getJoinArgs(join.getRightArg(), joinArgs);
      }
      else {
        joinArgs.add(tupleExpr);
      }
    }

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    }
    else {
      result = requiredTEs.get(0);


      for (int i = 1; i < requiredTEs.size(); i++) {
        result = new Join(result, requiredTEs.get(i));
      }
    }


    for (TupleExpr optTE : optionalTEs) {
      result = new LeftJoin(result, optTE);

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    if (result == null) {
      result = sp;
    }
    else {
      result = new Join(result, sp);
    }


    List<SameTerm> sameTerms = new ArrayList<SameTerm>(2 * node.jjtGetNumChildren());


    for (int i = 0; i < node.jjtGetNumChildren(); i++) {

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