org.cpsolver.studentsct.heuristics.studentord

## Class StudentByRequestDate

- java.lang.Object
- - org.cpsolver.studentsct.heuristics.studentord.StudentChoiceOrder
  - - org.cpsolver.studentsct.heuristics.studentord.StudentByRequestDate

- All Implemented Interfaces:
    Comparator<Student>, StudentOrder
  Direct Known Subclasses:
    StudentByPriorityRequestDate

      public class StudentByRequestDate
      extends StudentChoiceOrder

  Return the given set of students in an order of average course request time stamp `CourseRequest.getTimeStamp()`. If the time stamp is the same (or not set), fall back to the number of choices (student with fewer choices first).
  Version:
    StudentSct 1.3 (Student Sectioning)
    Copyright (C) 2007 - 2019 Tomáš Müller
    muller@unitime.org
    http://muller.unitime.org
    This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version.
    This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
    You should have received a copy of the GNU Lesser General Public License along with this library; if not see http://www.gnu.org/licenses/.
  Author:
    Tomáš Müller

- - ### Constructor Summary

    Constructors
    Constructor and Description
    `StudentByRequestDate(DataProperties config)`

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `int` | `compare(Student s1, Student s2)`
    `Long` | `getRequestDate(Student s)`

    - ### Methods inherited from class org.cpsolver.studentsct.heuristics.studentord.StudentChoiceOrder

      `avgNrChoices, getRequestPriority, isCriticalOnly, isReverse, order, setCriticalOnly, setRequestPriority, setReverse`

    - ### 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

      `comparing, comparing, comparingDouble, comparingInt, comparingLong, equals, naturalOrder, nullsFirst, nullsLast, reversed, reverseOrder, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong`

- - ### Constructor Detail

    - #### StudentByRequestDate

          public StudentByRequestDate(DataProperties config)

  - ### Method Detail

    - #### getRequestDate

          public Long getRequestDate(Student s)

    - #### compare

          public int compare(Student s1,
                             Student s2)

      Specified by:
        `compare` in interface `Comparator<Student>`
      Overrides:
        `compare` in class `StudentChoiceOrder`