Package org.dlese.dpc.schemedit.standards.asn

Class NsdlGradeRangeHelper

java.lang.Object
org.dlese.dpc.schemedit.standards.asn.GradeRangeHelper
org.dlese.dpc.schemedit.standards.asn.NsdlGradeRangeHelper
public class NsdlGradeRangeHelper extends GradeRangeHelper
GradeRangeHelper that accomodates the "nsdlEdLevel" vocabs, which are defined by the nsdl schemas but which are also used by others, including MSP2, res_qual, commcore, etc. The nsdlEdLevel vocab is a flat controlled vocabulary that contains values that are interpreted hierarchically. For example, "Early Elementary" is interpreted as containing "Kindergarten", "Grade 1" and "Grade 2". The problem is, that the metadata editor cannot enforce the implicit hierarchical structure without substantial ....". NOTE: at this point we decided to enforce these semantics in the metadata editor, which might change everything ..... To Be completed!
Author:
Jonathan Ostwald

  • Constructor Details

    • NsdlGradeRangeHelper

      public NsdlGradeRangeHelper()
      Constructor for the NsdlGradeRangeHelper read from file at specified path

  • Method Details

    • getStartGrade

      public int getStartGrade(String[] gradeRangeVocabs)
      Return an integer representing the lowest gradeLevel contained in the provided gradeRangeVocab values, or -1 if none are provided
      Overrides:
      getStartGrade in class GradeRangeHelper
      Parameters:
      gradeRangeVocabs - NOT YET DOCUMENTED
      Returns:
      The startGrade value

    • getEndGrade

      public int getEndGrade(String[] gradeRangeVocabs)
      Return an integer representing the highest gradeLevel contained in the provided gradeRangeVocab values, or -1 if none are provided
      Overrides:
      getEndGrade in class GradeRangeHelper
      Parameters:
      gradeRangeVocabs - NOT YET DOCUMENTED
      Returns:
      The startGrade value

    • makeSortedGRList

      public List makeSortedGRList(String[] values)
      Create a sorted list of gradeRangeItems using GrItemComparator.

      NOTE: gradeRange values that do not have a corresponding GradeRangeItem are ignored.

      Parameters:
      values - grade range vocab values
      Returns:
      sorted list of GradeRangeItems

    • pruneSortedGRList

      public List pruneSortedGRList(List sorted)
      Removes GradeRangeItems that contain the item in front of them.
      Parameters:
      sorted - a list of GradeRangeItems sorted by GrItemComparator
      Returns:
      list of GradeRangeItems with no containing ranges.

    • getDerivedGradeRange

      public GradeRange getDerivedGradeRange(String[] gradeRangeVocabs)
      Gets the gradeRange "extents" of a group of gradeRangeVocabs.
      Parameters:
      gradeRangeVocabs - vocab values selected in an itemDocument
      Returns:
      the lowest and highest gradeLevels in non-containing gradeRanges.