Class: SimpleXml::DataCriteria

Inherits:
Object
  • Object
show all
Includes:
Utilities
Defined in:
lib/model/data_criteria.rb

Overview

Represents a data criteria specification

Constant Summary

Constants included from Utilities

Utilities::MEASURE_ATTRIBUTES_MAP

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Utilities

#attr_val, attr_val, build_value, #children_of, #comments_on, #create_age_timing, #create_birthdate_criteria

Constructor Details

#initialize(entry, id = nil) ⇒ DataCriteria

Create a new instance based on the supplied HQMF entry

Parameters:

  • entry (Nokogiri::XML::Element) —

    the parsed HQMF entry



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# File 'lib/model/data_criteria.rb', line 16

def initialize(entry, id=nil)
  @entry = entry

  if (@entry)
    create_criteria(@entry, id)
  else
    create_grouping_criteria(id)
  end

  @source_data_criteria = @id
  @negation = false

  # the following remain nil:
  # @display_name, @children_criteria, @derivation_operator, @value, @field_values,
  # @effective_time , @inline_code_list, @negation_code_list_id, @temporal_references, @subset_operators
end

Instance Attribute Details

#children_criteria ⇒ Object

Returns the value of attribute children_criteria.



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# File 'lib/model/data_criteria.rb', line 5

def children_criteria
  @children_criteria
end

#code_list_id ⇒ Object (readonly)

Returns the value of attribute code_list_id.



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# File 'lib/model/data_criteria.rb', line 8

def code_list_id
  @code_list_id
end

#comments ⇒ Object

Returns the value of attribute comments.



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# File 'lib/model/data_criteria.rb', line 5

def comments
  @comments
end

#definition ⇒ Object (readonly)

Returns the value of attribute definition.



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# File 'lib/model/data_criteria.rb', line 8

def definition
  @definition
end

#derivation_operator ⇒ Object

Returns the value of attribute derivation_operator.



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# File 'lib/model/data_criteria.rb', line 5

def derivation_operator
  @derivation_operator
end

#description ⇒ Object (readonly)

Returns the value of attribute description.



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# File 'lib/model/data_criteria.rb', line 8

def description
  @description
end

#display_name ⇒ Object (readonly)

Returns the value of attribute display_name.



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# File 'lib/model/data_criteria.rb', line 8

def display_name
  @display_name
end

#effective_time ⇒ Object (readonly)

Returns the value of attribute effective_time.



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# File 'lib/model/data_criteria.rb', line 8

def effective_time
  @effective_time
end

#field_values ⇒ Object

Returns the value of attribute field_values.



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# File 'lib/model/data_criteria.rb', line 5

def field_values
  @field_values
end

#hqmf_id ⇒ Object (readonly)

Returns the value of attribute hqmf_id.



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# File 'lib/model/data_criteria.rb', line 8

def hqmf_id
  @hqmf_id
end

#id ⇒ Object

Returns the value of attribute id.



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# File 'lib/model/data_criteria.rb', line 5

def id
  @id
end

#inline_code_list ⇒ Object (readonly)

Returns the value of attribute inline_code_list.



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# File 'lib/model/data_criteria.rb', line 8

def inline_code_list
  @inline_code_list
end

#negation ⇒ Object

Returns the value of attribute negation.



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# File 'lib/model/data_criteria.rb', line 5

def negation
  @negation
end

#negation_code_list_id ⇒ Object

Returns the value of attribute negation_code_list_id.



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# File 'lib/model/data_criteria.rb', line 5

def negation_code_list_id
  @negation_code_list_id
end

#source_data_criteria ⇒ Object (readonly)

Returns the value of attribute source_data_criteria.



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# File 'lib/model/data_criteria.rb', line 8

def source_data_criteria
  @source_data_criteria
end

#specific_occurrence ⇒ Object

Returns the value of attribute specific_occurrence.



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# File 'lib/model/data_criteria.rb', line 5

def specific_occurrence
  @specific_occurrence
end

#specific_occurrence_const ⇒ Object

Returns the value of attribute specific_occurrence_const.



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# File 'lib/model/data_criteria.rb', line 5

def specific_occurrence_const
  @specific_occurrence_const
end

#status ⇒ Object (readonly)

Returns the value of attribute status.



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# File 'lib/model/data_criteria.rb', line 8

def status
  @status
end

#subset_operators ⇒ Object

Returns the value of attribute subset_operators.



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# File 'lib/model/data_criteria.rb', line 5

def subset_operators
  @subset_operators
end

#temporal_references ⇒ Object

Returns the value of attribute temporal_references.



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# File 'lib/model/data_criteria.rb', line 5

def temporal_references
  @temporal_references
end

#title ⇒ Object (readonly)

Returns the value of attribute title.



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# File 'lib/model/data_criteria.rb', line 8

def title
  @title
end

#value ⇒ Object

Returns the value of attribute value.



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# File 'lib/model/data_criteria.rb', line 5

def value
  @value
end

#variable ⇒ Object (readonly)

Returns the value of attribute variable.



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# File 'lib/model/data_criteria.rb', line 8

def variable
  @variable
end

Class Method Details

.convert_precondition_to_criteria(precondition, doc, operator) ⇒ Object 



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# File 'lib/model/data_criteria.rb', line 133

def self.convert_precondition_to_criteria(precondition, doc, operator)
  if (precondition.reference)
    # precondition is a single element
    criteria = doc.data_criteria(precondition.reference.id)
  else
    # precondition is a group
    criteria = convert_to_grouping(precondition, doc, operator)
    doc.derived_data_criteria << criteria
  end
  criteria
end

.convert_to_grouping(precondition, doc, operator) ⇒ Object 



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# File 'lib/model/data_criteria.rb', line 145

def self.convert_to_grouping(precondition, doc, operator)
  grouping = DataCriteria.new nil, "GROUP_#{operator}_CHILDREN_#{HQMF::Counter.instance.next}"
  grouping.children_criteria = precondition.preconditions.map {|p| convert_precondition_to_criteria(p, doc, operator).id}
  grouping.derivation_operator = case precondition.conjunction_code
                                 when HQMF::Precondition::ALL_TRUE then HQMF::DataCriteria::XPRODUCT
                                 when SimpleXml::Precondition::INTERSECTION then HQMF::DataCriteria::INTERSECT
                                 else HQMF::DataCriteria::UNION
                                 end
  grouping
end

.format_so_const(description) ⇒ Object 



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# File 'lib/model/data_criteria.rb', line 210

def self.format_so_const(description)
  description.gsub(/\W/,' ').upcase.split.join('_')
end

.get_criteria(element, precondition_id, doc, subset = nil, operator = nil, update_id = false) ⇒ Object 



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# File 'lib/model/data_criteria.rb', line 74

def self.get_criteria(element, precondition_id, doc, subset=nil, operator=nil, update_id=false)

  if element.name == Precondition::TEMPORAL_OP
    # we have a chain of temporal references
    criteria = convert_precondition_to_criteria(Precondition.new(element, doc), doc, operator)
  elsif element.name == Precondition::LOGICAL_OP || element.name == Precondition::SET_OP
    # we have a logical group on the right
    criteria = convert_precondition_to_criteria(Precondition.new(element, doc), doc, operator)
  elsif element.name == Precondition::FUNCTIONAL_OP
    criteria = doc.data_criteria(Precondition.new(element, doc).reference.id)
  else
    criteria = doc.criteria_map[element.at_xpath('@id').value]
    if !criteria && element.name == Precondition::SUB_TREE
      criteria = doc.sub_tree_map[Utilities.attr_val(element, '@id')].convert_to_data_criteria
      # If this is a specific occurrence of a variable it won't appear in the elementLookUp, so include it in source data criteria here
      if criteria.specific_occurrence && criteria.variable
        doc.register_source_data_criteria(criteria)
      end
    end
    criteria = criteria.dup
    return criteria if criteria.id == HQMF::Document::MEASURE_PERIOD_ID

    # if we have attributes then we want to update the ID sice we have changed the DC
    attributes = element.xpath('attribute')
    update_id = update_id || !attributes.empty?

    criteria.id = "#{criteria.id}_precondition_#{precondition_id}" if update_id
    doc.derived_data_criteria << criteria unless doc.derived_data_criteria.map(&:id).include? criteria.id

    # handle attributes
    if (attributes)
      attributes.each do |attribute|

        orig_key = attribute.at_xpath('@name').value
        key = DataCriteria.translate_field(orig_key)
        value = Attribute.translate_attribute(attribute, doc)

        if key == 'RESULT'
          criteria.value = value
        elsif key == 'NEGATION_RATIONALE'
          criteria.negation = true
          criteria.negation_code_list_id = value.code_list_id
        else
          criteria.field_values ||= {}
          criteria.field_values[key] = value
        end

      end
    end
  end

  if subset
    criteria.subset_operators ||= []
    criteria.subset_operators << subset
  end

  criteria
end

.translate_field(name) ⇒ Object 



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# File 'lib/model/data_criteria.rb', line 187

def self.translate_field(name)
  name = name.tr(' ','_').upcase
  raise "Unknown field name: #{name}" unless HQMF::DataCriteria::FIELDS[name] || name == 'RESULT' || name == 'NEGATION_RATIONALE'
  name
end

Instance Method Details

#add_temporal(temporal) ⇒ Object 



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# File 'lib/model/data_criteria.rb', line 164

def add_temporal(temporal)
  @temporal_references ||= []
  @temporal_references << temporal
end

#create_criteria(entry, id) ⇒ Object 



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# File 'lib/model/data_criteria.rb', line 33

def create_criteria(entry, id)
  @entry = entry

  type = attr_val('@datatype')
  name = attr_val('@name')
  instance = attr_val('@instance')

  @description = "#{type}: #{name}"
  @title = name
  @code_list_id = attr_val('@oid')

  @hqmf_id = attr_val('@uuid')

  parts = type.split(',')
  def_and_status = parse_definition_and_status(type)
  @definition = def_and_status[:definition]
  @status = def_and_status[:status]

  specifics_counter = nil
  if instance
    fix_description_for_hqmf_match()
    specifics_counter = HQMF::Counter.instance.next
    @specific_occurrence = instance.split[1]
    @specific_occurrence_const = DataCriteria.format_so_const(@description)
    @id = id || format_id("#{instance} #{@title}#{specifics_counter}")
  else
    @id = id || format_id("#{@description}")
  end

  handle_transfer() if (['transfer_from', 'transfer_to'].include? definition)


end

#create_grouping_criteria(id) ⇒ Object 



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# File 'lib/model/data_criteria.rb', line 67

def create_grouping_criteria(id)
  @id = id
  @definition = 'derived'
  @description = ""
  @title = @id
end

#dup ⇒ Object 



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# File 'lib/model/data_criteria.rb', line 156

def dup
  if @entry
    DataCriteria.new(@entry, @id)
  else
    Marshal.load(Marshal.dump(self))
  end
end

#handle_specific_occurrence(instance) ⇒ Object 



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# File 'lib/model/data_criteria.rb', line 179

def handle_specific_occurrence(instance)
  fix_description_for_hqmf_match()
  specifics_counter = HQMF::Counter.instance.next
  @specific_occurrence = instance
  @specific_occurrence_const = DataCriteria.format_so_const(@description)
  @id = id || format_id("#{instance} #{@title}#{specifics_counter}")
end

#push_down_temporal(temporal, doc) ⇒ Object 



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# File 'lib/model/data_criteria.rb', line 169

def push_down_temporal(temporal, doc)
  # push down through a grouping
  if @children_criteria
    @children_criteria.each {|child_id| doc.data_criteria(child_id).push_down_temporal(temporal, doc)}
  else
    # if this is not a grouping, just add the temporal reference
    add_temporal(temporal)
  end
end

#to_model ⇒ Object 



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# File 'lib/model/data_criteria.rb', line 193

def to_model

  trs = temporal_references.collect {|t| t.to_model} if temporal_references
  if field_values
    fv = {}
    field_values.each {|k, v| fv[k] = v.to_model}
  end
  val = value.to_model if value
  subs = subset_operators.collect {|o| o.to_model} if subset_operators
  @variable ||= false

  HQMF::DataCriteria.new(@id, @title, @display_name, @description, @code_list_id, @children_criteria,
    @derivation_operator, @definition, @status, val, fv, @effective_time, @inline_code_list,
    @negation, @negation_code_list_id, trs, subs, @specific_occurrence,
    @specific_occurrence_const, @source_data_criteria, comments, @variable)
end