Class: HQMF2::SpecificOccurrenceAndSource

Inherits:
Object
  • Object
show all
Includes:
Utilities
Defined in:
lib/hqmf-parser/2.0/data_criteria_helpers/dc_specific_occurrences_and_source_data_criteria_extract.rb

Overview

Handles various tasks that the Data Criteria needs performed to obtain and modify secific occurrences

Instance Method Summary collapse

Methods included from Utilities

#attr_val, attr_val, #strip_tokens, #to_xml

Methods included from HQMF::Conversion::Utilities

#build_hash, #check_equality, #json_array, #openstruct_to_json

Constructor Details

#initialize(entry, id, local_variable_name, data_criteria_references, occurrences_map) ⇒ SpecificOccurrenceAndSource

Returns a new instance of SpecificOccurrenceAndSource.



7
8
9
10
11
12
13
14
 
# File 'lib/hqmf-parser/2.0/data_criteria_helpers/dc_specific_occurrences_and_source_data_criteria_extract.rb', line 7

def initialize(entry, id, local_variable_name, data_criteria_references, occurrences_map)
  @entry = entry
  @id = id
  @local_variable_name = local_variable_name
  @occurrences_map = occurrences_map
  @is_variable = DataCriteriaMethods.extract_variable(@local_variable_name, @id)
  @data_criteria_references = data_criteria_references
end

Instance Method Details

#extract_specific_occurrences_and_source_data_criteria ⇒ Object

Retrieve the specific occurrence and source data criteria information (or just source if there is no specific)



17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
 
# File 'lib/hqmf-parser/2.0/data_criteria_helpers/dc_specific_occurrences_and_source_data_criteria_extract.rb', line 17

def extract_specific_occurrences_and_source_data_criteria
  specific_def = @entry.at_xpath('./*/cda:outboundRelationship[@typeCode="OCCR"]', HQMF2::Document::NAMESPACES)
  source_def = @entry.at_xpath('./*/cda:outboundRelationship[cda:subsetCode/@code="SOURCE"]',
                               HQMF2::Document::NAMESPACES)
  if specific_def
    source_data_criteria_extension = HQMF2::Utilities.attr_val(specific_def,
                                                               './cda:criteriaReference/cda:id/@extension')
    source_data_criteria_root = HQMF2::Utilities.attr_val(specific_def, './cda:criteriaReference/cda:id/@root')

    occurrence_criteria = @data_criteria_references[strip_tokens("#{source_data_criteria_extension}_#{source_data_criteria_root}")]

    return if occurrence_criteria.nil?
    specific_occurrence_const = HQMF2::Utilities.attr_val(specific_def,
                                                          './cda:localVariableName/@controlInformationRoot')
    specific_occurrence = HQMF2::Utilities.attr_val(specific_def,
                                                    './cda:localVariableName/@controlInformationExtension')

    # FIXME: Remove debug statements after cleaning up occurrence handling
    # build regex for extracting alpha-index of specific occurrences
    occurrence_identifier = obtain_occurrence_identifier(strip_tokens(@id),
                                                         strip_tokens(@local_variable_name) || '',
                                                         strip_tokens(source_data_criteria_extension),
                                                         @is_variable)

    handle_specific_and_source(occurrence_identifier, source_data_criteria_extension, source_data_criteria_root,
                               specific_occurrence_const, specific_occurrence)

  elsif source_def
    extension = HQMF2::Utilities.attr_val(source_def, './cda:criteriaReference/cda:id/@extension')
    root = HQMF2::Utilities.attr_val(source_def, './cda:criteriaReference/cda:id/@root')
    ["#{extension}_#{root}_source", root, extension] # return the soruce data criteria itself, the rest will be blank
  end
end

#handle_occurrence_var(stripped_id, stripped_lvn, stripped_sdc, occurrence_id_compare, occurrence_lvn_compare, occ_index) ⇒ Object

If the occurrence is a variable, extract the occurrence identifier (if present)



106
107
108
109
110
111
112
113
114
115
 
# File 'lib/hqmf-parser/2.0/data_criteria_helpers/dc_specific_occurrences_and_source_data_criteria_extract.rb', line 106

def handle_occurrence_var(stripped_id, stripped_lvn, stripped_sdc, occurrence_id_compare, occurrence_lvn_compare, occ_index)
  # TODO: Handle specific occurrences of variables that don't self-reference?
  if stripped_id.match(/^#{occurrence_id_compare}/)
    return stripped_id[occ_index]
  elsif stripped_lvn.match(/^#{occurrence_lvn_compare}/)
    return stripped_lvn[occ_index]
  elsif stripped_sdc.match(/^#{occurrence_id_compare}/)
    return stripped_sdc[occ_index]
  end
end

#handle_specific_and_source(occurrence_identifier, source_data_criteria_extension, source_data_criteria_root, specific_occurrence_const, specific_occurrence) ⇒ Object

Handle setting the specific and source instance variables with a given occurrence identifier



52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
 
# File 'lib/hqmf-parser/2.0/data_criteria_helpers/dc_specific_occurrences_and_source_data_criteria_extract.rb', line 52

def handle_specific_and_source(occurrence_identifier, source_data_criteria_extension, source_data_criteria_root,
                               specific_occurrence_const, specific_occurrence)
  source_data_criteria = "#{source_data_criteria_extension}_#{source_data_criteria_root}_source"
  if !occurrence_identifier.blank?
    # if it doesn't exist, add extracted occurrence to the map
    # puts "\tSetting #{@source_data_criteria}-#{@source_data_criteria_root} to #{occurrence_identifier}"
    @occurrences_map[strip_tokens(source_data_criteria)] ||= occurrence_identifier
    specific_occurrence ||= occurrence_identifier
    specific_occurrence_const = "#{source_data_criteria}".upcase
  else
    # create variable occurrences that do not already exist
    if @is_variable
      # puts "\tSetting #{@source_data_criteria}-#{@source_data_criteria_root} to #{occurrence_identifier}"
      @occurrences_map[strip_tokens(source_data_criteria)] ||= occurrence_identifier
    end
    occurrence = @occurrences_map.try(:[], strip_tokens(source_data_criteria))
    unless occurrence
      fail "Could not find occurrence mapping for #{source_data_criteria}, #{source_data_criteria_root}"
    end
    # puts "\tUsing #{occurrence} for #{@id}"
    specific_occurrence ||= occurrence
  end

  specific_occurrence = 'A' unless specific_occurrence
  specific_occurrence_const = source_data_criteria.upcase unless specific_occurrence_const
  [source_data_criteria, source_data_criteria_root, source_data_criteria_extension,
   specific_occurrence, specific_occurrence_const]
end

#obtain_occurrence_identifier(stripped_id, stripped_lvn, stripped_sdc, is_variable) ⇒ Object

Using the id, source data criteria id, and local variable name (and whether or not it’s a variable),

extract the occurrence identifiter (if one exists).



83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
 
# File 'lib/hqmf-parser/2.0/data_criteria_helpers/dc_specific_occurrences_and_source_data_criteria_extract.rb', line 83

def obtain_occurrence_identifier(stripped_id, stripped_lvn, stripped_sdc, is_variable)
  if is_variable || (stripped_sdc.include? 'qdm_var')
    occurrence_lvn_regex = 'occ[A-Z]of_qdm_var'
    occurrence_id_regex = 'occ[A-Z]of_qdm_var'
    occ_index = 3
    return handle_occurrence_var(stripped_id, stripped_lvn, stripped_sdc, occurrence_id_regex, occurrence_lvn_regex, occ_index)
  else
    occurrence_lvn_regex = 'Occurrence[A-Z]of'
    occurrence_id_regex = 'Occurrence[A-Z]_'
    occ_index = 10

    occurrence_identifier = handle_occurrence_var(
      stripped_id, stripped_lvn, stripped_sdc,
      "#{occurrence_id_regex}#{stripped_sdc}", "#{occurrence_lvn_regex}#{stripped_sdc}",
      occ_index)
    return occurrence_identifier if occurrence_identifier.present?

    stripped_sdc[occ_index] if stripped_sdc.match(
      /(^#{occurrence_id_regex}| ^#{occurrence_id_regex}qdm_var_| ^#{occurrence_lvn_regex})| ^#{occurrence_lvn_regex}qdm_var_/)
  end
end