Package lupos.engine.operators.multiinput.join

Examples of lupos.engine.operators.multiinput.join.Join.addPrecedingOperator()

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      for(final OperatorIDTuple opID: op1.getSucceedingOperators()){
        opID.getOperator().removePrecedingOperator(op1);
      }
      op1.getSucceedingOperators().clear();
      op1.addSucceedingOperator(new OperatorIDTuple(bottomJoin, 0));
      bottomJoin.addPrecedingOperator(op1);
      final BasicOperator op2 = opIt.next();
      for(final OperatorIDTuple opID: op2.getSucceedingOperators()){
        opID.getOperator().removePrecedingOperator(op2);
      }
      op2.getSucceedingOperators().clear();
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      for(final OperatorIDTuple opID: op2.getSucceedingOperators()){
        opID.getOperator().removePrecedingOperator(op2);
      }
      op2.getSucceedingOperators().clear();
      op2.addSucceedingOperator(new OperatorIDTuple(bottomJoin, 1));
      bottomJoin.addPrecedingOperator(op2);
      if(arg!=null){
        bottomJoin.setSucceedingOperator((OperatorIDTuple) arg);
        ((OperatorIDTuple) arg).getOperator().addPrecedingOperator(bottomJoin);
      }
      while (opIt.hasNext()) {
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        for(final OperatorIDTuple opID: operand.getSucceedingOperators()){
          opID.getOperator().removePrecedingOperator(operand);
        }
        operand.getSucceedingOperators().clear();
        operand.setSucceedingOperator(new OperatorIDTuple(tempJoin, 0));
        tempJoin.addPrecedingOperator(operand);
        for(final OperatorIDTuple opID: bottomJoin.getSucceedingOperators()){
          opID.getOperator().removePrecedingOperator(bottomJoin);
        }
        bottomJoin.getSucceedingOperators().clear();
        bottomJoin.setSucceedingOperator(new OperatorIDTuple(tempJoin, 1));
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        for(final OperatorIDTuple opID: bottomJoin.getSucceedingOperators()){
          opID.getOperator().removePrecedingOperator(bottomJoin);
        }
        bottomJoin.getSucceedingOperators().clear();
        bottomJoin.setSucceedingOperator(new OperatorIDTuple(tempJoin, 1));
        tempJoin.addPrecedingOperator(bottomJoin);
        if(arg!=null){
          tempJoin.setSucceedingOperator((OperatorIDTuple) arg);
          ((OperatorIDTuple) arg).getOperator().addPrecedingOperator(tempJoin);
        }
        bottomJoin = tempJoin;
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          final BasicOperator toClone = oid.getOperator();
          final BasicOperator clone = toClone.clone();
          added.add(clone);
          clone.setSucceedingOperator(new OperatorIDTuple(joinNew,
              oid.getId()));
          joinNew.addPrecedingOperator(clone);
          cloneFurther(clone, toClone, added);
        }

      }
      joinNew.setSucceedingOperator(new OperatorIDTuple(union, union
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        }

      }
      joinNew.setSucceedingOperator(new OperatorIDTuple(union, union
          .getPrecedingOperators().size() - 1));
      joinNew.addPrecedingOperator(toMove);

      final LinkedList<Variable> intersectionVariables = new LinkedList<Variable>();
      final LinkedList<Variable> unionVariables = new LinkedList<Variable>();
      intersectionVariables.addAll(joinNew.getPrecedingOperators().get(0)
          .getUnionVariables());
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          filter.setUnionVariables(bo.getUnionVariables());
          // we assume that
          filter.setSucceedingOperators(bo.getSucceedingOperators());
          bo.setSucceedingOperator(new OperatorIDTuple(filter, 0));
          join.removePrecedingOperator(bo);
          join.addPrecedingOperator(filter);
          filter.setPrecedingOperator(bo);
          afterJoin = false;
          added.add(filter);
        } catch (final ParseException e) {
          System.err.println(e);
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    }
    // remove add
    for (final BasicOperator bo : add.getPrecedingOperators()) {
      bo.removeSucceedingOperator(add);
      bo.addSucceedingOperators(add.getSucceedingOperators());
      join.addPrecedingOperator(bo);
    }
    join.removePrecedingOperator(add);
    join.getIntersectionVariables().remove(add.getVar());
    // must add be put after the join?
    if (afterJoin) {
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    join.setIntersectionVariables(inp.getJoinPartner());
    join.setUnionVariables(inp.getVariables());
    left.setSucceedingOperator(new OperatorIDTuple(join, 0));
    right.setSucceedingOperator(new OperatorIDTuple(join, 1));
    join.addPrecedingOperator(left);
    join.addPrecedingOperator(right);
    return join;
  }
}
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    join.setIntersectionVariables(inp.getJoinPartner());
    join.setUnionVariables(inp.getVariables());
    left.setSucceedingOperator(new OperatorIDTuple(join, 0));
    right.setSucceedingOperator(new OperatorIDTuple(join, 1));
    join.addPrecedingOperator(left);
    join.addPrecedingOperator(right);
    return join;
  }
}
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