| 1 | package de.ugoe.cs.quest.ui.commands;
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| 2 |
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| 3 | import java.security.InvalidParameterException;
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| 4 | import java.util.Collection;
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| 5 | import java.util.List;
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| 6 | import java.util.Map.Entry;
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| 7 | import java.util.SortedMap;
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| 8 | import java.util.TreeMap;
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| 9 |
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| 10 | import de.ugoe.cs.quest.CommandHelpers;
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| 11 | import de.ugoe.cs.quest.SequenceInstanceOf;
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| 12 | import de.ugoe.cs.quest.eventcore.Event;
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| 13 | import de.ugoe.cs.util.console.Command;
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| 14 | import de.ugoe.cs.util.console.Console;
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| 15 | import de.ugoe.cs.util.console.GlobalDataContainer;
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| 16 |
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| 17 | /**
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| 18 | * <p>
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| 19 | * Command to print basic statistical information about stored sequences, e.g.,
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| 20 | * how many there are of which length.
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| 21 | * </p>
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| 22 | *
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| 23 | * @author Steffen Herbold
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| 24 | * @version 1.0
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| 25 | */
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| 26 | public class CMDsequenceStatistics implements Command {
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| 27 |
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| 28 | /*
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| 29 | * (non-Javadoc)
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| 30 | *
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| 31 | * @see de.ugoe.cs.util.console.Command#run(java.util.List)
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| 32 | */
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| 33 | @SuppressWarnings("unchecked")
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| 34 | @Override
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| 35 | public void run(List<Object> parameters) {
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| 36 | String sequencesName;
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| 37 | try {
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| 38 | sequencesName = (String) parameters.get(0);
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| 39 | } catch (Exception e) {
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| 40 | throw new InvalidParameterException();
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| 41 | }
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| 42 |
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| 43 | Collection<List<Event>> sequences = null;
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| 44 | Object dataObject = GlobalDataContainer.getInstance().getData(
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| 45 | sequencesName);
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| 46 | if (dataObject == null) {
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| 47 | CommandHelpers.objectNotFoundMessage(sequencesName);
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| 48 | return;
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| 49 | }
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| 50 | if (!SequenceInstanceOf.isCollectionOfSequences(dataObject)) {
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| 51 | CommandHelpers.objectNotType(sequencesName,
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| 52 | "Collection<List<Event<?>>>");
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| 53 | return;
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| 54 | }
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| 55 |
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| 56 | sequences = (Collection<List<Event>>) dataObject;
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| 57 | Console.println("Number of Sequences: " + sequences.size());
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| 58 | SortedMap<Integer, Integer> lengthMap = new TreeMap<Integer, Integer>();
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| 59 | for (List<Event> sequence : sequences) {
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| 60 | Integer currentSize = sequence.size();
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| 61 | if (lengthMap.containsKey(currentSize)) {
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| 62 | lengthMap.put(currentSize, lengthMap.get(currentSize) + 1);
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| 63 | } else {
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| 64 | lengthMap.put(currentSize, 1);
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| 65 | }
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| 66 | }
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| 67 | for (Entry<Integer, Integer> entry : lengthMap.entrySet()) {
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| 68 | Console.println("Of length " + entry.getKey() + ": "
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| 69 | + entry.getValue());
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| 70 | }
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| 71 | }
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| 72 |
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| 73 | /*
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| 74 | * (non-Javadoc)
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| 75 | *
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| 76 | * @see de.ugoe.cs.util.console.Command#help()
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| 77 | */
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| 78 | @Override
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| 79 | public String help() {
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| 80 | return "sequenceStatistics <sequencesName>";
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| 81 | }
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| 82 |
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| 83 | }
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