1 | // Copyright 2012 Georg-August-Universität Göttingen, Germany
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2 | //
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3 | // Licensed under the Apache License, Version 2.0 (the "License");
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4 | // you may not use this file except in compliance with the License.
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5 | // You may obtain a copy of the License at
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6 | //
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7 | // http://www.apache.org/licenses/LICENSE-2.0
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8 | //
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9 | // Unless required by applicable law or agreed to in writing, software
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10 | // distributed under the License is distributed on an "AS IS" BASIS,
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11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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12 | // See the License for the specific language governing permissions and
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13 | // limitations under the License.
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14 |
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15 | package de.ugoe.cs.autoquest.commands.usage;
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16 |
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17 | import java.util.List;
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18 |
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19 | import de.ugoe.cs.autoquest.CommandHelpers;
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20 | import de.ugoe.cs.autoquest.usageprofiles.FirstOrderMarkovModel;
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21 | import de.ugoe.cs.autoquest.usageprofiles.HighOrderMarkovModel;
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22 | import de.ugoe.cs.autoquest.usageprofiles.ModelFlattener;
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23 | import de.ugoe.cs.util.console.Command;
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24 | import de.ugoe.cs.util.console.GlobalDataContainer;
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25 |
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26 | /**
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27 | * <p>
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28 | * Command to flatten high-order models and create first-order markov models
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29 | * with the same stochastic properties.
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30 | * </p>
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31 | *
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32 | * @author Steffen Herbold
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33 | * @version 1.0
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34 | */
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35 | public class CMDflattenModel implements Command {
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36 |
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37 | /*
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38 | * (non-Javadoc)
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39 | *
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40 | * @see de.ugoe.cs.util.console.Command#run(java.util.List)
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41 | */
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42 | @Override
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43 | public void run(List<Object> parameters) {
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44 | String modelname;
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45 | String modelnameFOM;
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46 |
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47 | try {
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48 | modelname = (String) parameters.get(0);
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49 | modelnameFOM = (String) parameters.get(1);
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50 | } catch (Exception e) {
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51 | throw new IllegalArgumentException();
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52 | }
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53 |
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54 | Object dataObject = GlobalDataContainer.getInstance()
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55 | .getData(modelname);
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56 | if (dataObject == null) {
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57 | CommandHelpers.objectNotFoundMessage(modelname);
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58 | return;
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59 | }
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60 | if (!(dataObject instanceof HighOrderMarkovModel)) {
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61 | CommandHelpers.objectNotType(modelname, "HighOrderMarkovModel");
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62 | return;
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63 | }
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64 |
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65 | HighOrderMarkovModel model = (HighOrderMarkovModel) dataObject;
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66 | ModelFlattener flattener = new ModelFlattener();
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67 | FirstOrderMarkovModel modelFOM = flattener
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68 | .flattenHighOrderMarkovModel(model);
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69 |
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70 | if (GlobalDataContainer.getInstance().addData(modelnameFOM, modelFOM)) {
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71 | CommandHelpers.dataOverwritten(modelnameFOM);
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72 | }
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73 | }
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74 |
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75 | /*
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76 | * (non-Javadoc)
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77 | *
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78 | * @see de.ugoe.cs.util.console.Command#help()
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79 | */
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80 | @Override
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81 | public String help() {
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82 | return "flattenModel <modelname> <modelname_flattened>";
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83 | }
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84 | }
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