RapidMiner 4.6 Operator.getOutputPorts/getInputPorts + OutputPort/InputPort

Pedro_NevesPedro_Neves Member Posts: 4 Contributor I
edited November 2018 in Help
Hi there, i'm having some problems in integrating rapidminer in my Java application  :(. So far I have a model of a trained neural network i created on rapidminer 4.6 (Not using rapidminer 5.3 because i get some errors on rapidminer.init() ). Now in my code i have to load the CSV file (which is the test dataset), load my NeuralNetwork model and apply it. Something like this (an example i found online):
public ApplyModel(String modelFile, String unlabelledFile){
     
    try {
           
            RapidMiner.init();

            com.rapidminer.Process processo = new com.rapidminer.Process();

            System.out.println(unlabelledFile);

            Operator csvReader = OperatorService.createOperator(com.rapidminer.operator.io.CSVExampleSource.class);
            System.out.println(unlabelledFile);
            csvReader.setParameter(com.rapidminer.operator.io.CSVExampleSource.PARAMETER_FILENAME, unlabelledFile);  //test File
            csvReader.setParameter(com.rapidminer.operator.io.CSVExampleSource.PARAMETER_COLUMN_SEPARATORS, ",");
            csvReader.setParameter(com.rapidminer.operator.io.CSVExampleSource.PARAMETER_TRIM_LINES, "true");
            csvReader.setParameter(com.rapidminer.operator.io.CSVExampleSource.PARAMETER_READ_ATTRIBUTE_NAMES, "true");
           
            [glow=red,2,300]OutputPort[/glow] portaSaidaLeitorCSV = csvReader.[glow=red,2,300]getOutputPorts()[/glow].getPortByName("output");
           
            Operator ReadModelOperator = OperatorService.createOperator(ModelLoader.class);
            ReadModelOperator.setParameter("model_file", modelFile);
            [glow=red,2,300]OutputPort[/glow] portaSaidaCarregadorModelo = ReadModelOperator.[glow=red,2,300]getOutputPorts()[/glow].getPortByName("output");
           
            Operator modelApplier = OperatorService.createOperator(ModelApplier.class);
            modelApplier.setParameter("keep_model", "false");
          [glow=red,2,300] InputPort [/glow]portaEntrada1AplicadorModelo = modelApplier.[glow=red,2,300]getInputPorts()[/glow].getPortByName("model");
            [glow=red,2,300]InputPort[/glow] portaEntrada2AplicadorModelo = modelApplier.[glow=red,2,300]getInputPorts()[/glow].getPortByName("unlabelled data");

            ExampleSet resultSet = processo.run().get(ExampleSet.class);
            Iterator it = resultSet.iterator();
           
            System.out.println("$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$");
            while (it.hasNext()) {
                Example e = (Example) it.next();
                String predLabelIndex = e.getDataRow().toString();
                System.out.println(predLabelIndex);
            }
            System.out.println("$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$");
       
    } catch (OperatorException ex) {
        Logger.getLogger(ApplyModel.class.getName()).log(Level.SEVERE, null, ex);
    } catch (OperatorCreationException ex) {
        Logger.getLogger(Main.class.getName()).log(Level.SEVERE, null, ex);
    }
    }
However, i dont know what to import for the highlighted lines work (Cannot find the package or class file properly). If i comment this lines i get an error when i'm getting the ExampleSet (on Bold).
Maybe this is a Newbie question but i'm kinda new in rapidminer  :-\. 

Thanks in Advance
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Answers

  • Marco_BoeckMarco_Boeck Team Lead Software Engineering Moderator, Employee, Member, University Professor Posts: 1,806   RM Engineering
    Hi,

    RapidMiner 4 is two major versions behind and thus not supported any longer. Instead I would advise you to fix the init() problem and then use RM 5.3.

    Regards,
    Marco
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