Package lupos.engine.operators.singleinput.federated

Examples of lupos.engine.operators.singleinput.federated.FederatedQueryTrivialApproach

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    return !(node.jjtGetChild(0) instanceof ASTVar);
  }
 
  @Override
  public void insertIndependantFederatedQueryOperator(final ASTService node, final OperatorConnection connection, final IndexScanCreatorInterface indexScanCreator){
    FederatedQueryTrivialApproach federatedQuery = new FederatedQueryTrivialApproach(node);
    federatedQuery.setSucceedingOperator(connection.getOperatorIDTuple());
    indexScanCreator.createEmptyIndexScanAndConnectWithRoot(new OperatorIDTuple(federatedQuery, 0));
  }
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    if (child0 instanceof ASTVar) {
      Join join = new Join();
      connection.connect(join);
      SeveralSucceedingOperators sso = new SeveralSucceedingOperators();
      sso.addSucceedingOperator(join, 0);
      FederatedQueryTrivialApproach federatedQuery = new FederatedQueryTrivialApproach(node);
      Projection projection = new Projection();
      projection.addProjectionElement(new Variable(((ASTVar)child0).getName()));
      Distinct distinct = new Distinct();
      projection.addSucceedingOperator(distinct);
      distinct.addSucceedingOperator(federatedQuery);
      sso.addSucceedingOperator(projection, 0);
      federatedQuery.addSucceedingOperator(join, 1);
      connection.setOperatorConnection(sso);
    }   
  }
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Related Classes of lupos.engine.operators.singleinput.federated.FederatedQueryTrivialApproach

  • lupos.optimizations.sparql2core_sparql.SPARQLParserVisitorImplementationDumper
  • lupos.sparql1_1.operatorgraph.ServiceGeneratorTrivialApproach
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