Package org.silverpeas.components.questionreply.service

## Class QuestionRegexpComparator

- java.lang.Object
- - org.silverpeas.components.questionreply.service.QuestionRegexpComparator

- All Implemented Interfaces:
    `Comparator<Question>`

      public class QuestionRegexpComparator
      extends Object
      implements Comparator<Question>

  Author:
    ehugonnet

- - ### Method Summary

    All Methods Static Methods Instance Methods Concrete Methods
    Modifier and Type | Method | Description
    --- | --- | ---
    `int` | `compare​(Question question1, Question question2)` |
    `protected int` | `compareNumbers​(List<Integer> bigList, List<Integer> smallList)` |
    `protected List<Integer>` | `extractNumber​(String label)` |
    `static QuestionRegexpComparator` | `getInstance()` |

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

    - ### Methods inherited from interface java.util.Comparator

      `equals, reversed, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong`

- - ### Method Detail

    - #### getInstance

          public static QuestionRegexpComparator getInstance()

    - #### compare

          public int compare​(Question question1,
                             Question question2)

      Specified by:
        `compare` in interface `Comparator<Question>`

    - #### extractNumber

          protected List<Integer> extractNumber​(String label)

    - #### compareNumbers

          protected int compareNumbers​(List<Integer> bigList,
                                       List<Integer> smallList)