[434] | 1 | package de.ugoe.cs.quest.ui.commands;
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[260] | 2 |
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| 3 | import java.security.InvalidParameterException;
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| 4 | import java.util.List;
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| 5 |
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[432] | 6 | import de.ugoe.cs.quest.CommandHelpers;
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[434] | 7 | import de.ugoe.cs.quest.ui.GlobalDataContainer;
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[433] | 8 | import de.ugoe.cs.quest.usageprofiles.FirstOrderMarkovModel;
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| 9 | import de.ugoe.cs.quest.usageprofiles.HighOrderMarkovModel;
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| 10 | import de.ugoe.cs.quest.usageprofiles.ModelFlattener;
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[260] | 11 | import de.ugoe.cs.util.console.Command;
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| 12 |
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| 13 | /**
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| 14 | * <p>
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| 15 | * Command to flatten high-order models and create first-order markov models
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| 16 | * with the same stochastic properties.
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| 17 | * </p>
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| 18 | *
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| 19 | * @author Steffen Herbold
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| 20 | * @version 1.0
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| 21 | */
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| 22 | public class CMDflattenModel implements Command {
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| 23 |
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| 24 | /*
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| 25 | * (non-Javadoc)
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| 26 | *
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| 27 | * @see de.ugoe.cs.util.console.Command#run(java.util.List)
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| 28 | */
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| 29 | @Override
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| 30 | public void run(List<Object> parameters) {
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| 31 | String modelname;
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| 32 | String modelnameFOM;
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| 33 |
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| 34 | try {
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| 35 | modelname = (String) parameters.get(0);
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| 36 | modelnameFOM = (String) parameters.get(1);
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| 37 | } catch (Exception e) {
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| 38 | throw new InvalidParameterException();
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| 39 | }
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| 40 |
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| 41 | Object dataObject = GlobalDataContainer.getInstance()
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| 42 | .getData(modelname);
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| 43 | if (dataObject == null) {
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| 44 | CommandHelpers.objectNotFoundMessage(modelname);
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| 45 | return;
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| 46 | }
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| 47 | if (!(dataObject instanceof HighOrderMarkovModel)) {
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| 48 | CommandHelpers.objectNotType(modelname, "HighOrderMarkovModel");
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| 49 | return;
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| 50 | }
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| 51 |
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| 52 | HighOrderMarkovModel model = (HighOrderMarkovModel) dataObject;
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| 53 | ModelFlattener flattener = new ModelFlattener();
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| 54 | FirstOrderMarkovModel modelFOM = flattener
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| 55 | .flattenHighOrderMarkovModel(model);
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| 56 |
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| 57 | if (GlobalDataContainer.getInstance().addData(modelnameFOM, modelFOM)) {
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| 58 | CommandHelpers.dataOverwritten(modelnameFOM);
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| 59 | }
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| 60 | }
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| 61 |
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| 62 | /*
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| 63 | * (non-Javadoc)
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| 64 | *
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| 65 | * @see de.ugoe.cs.util.console.Command#help()
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| 66 | */
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| 67 | @Override
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[664] | 68 | public String help() {
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| 69 | return "flattenModel <modelname> <modelname_flattened>";
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[260] | 70 | }
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| 71 | }
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