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