Class: HQMF2::Document
- Inherits:
-
Object
- Object
- HQMF2::Document
- Includes:
- Utilities
- Defined in:
- lib/hqmf-parser/2.0/document.rb
Overview
Class representing an HQMF document
Constant Summary collapse
- NAMESPACES =
{'cda' => 'urn:hl7-org:v3', 'xsi' => 'http://www.w3.org/2001/XMLSchema-instance'}
Instance Attribute Summary collapse
-
#attributes ⇒ Object
readonly
Returns the value of attribute attributes.
-
#hqmf_set_id ⇒ Object
readonly
Returns the value of attribute hqmf_set_id.
-
#hqmf_version_number ⇒ Object
readonly
Returns the value of attribute hqmf_version_number.
-
#id ⇒ Object
readonly
Returns the value of attribute id.
-
#measure_period ⇒ Object
readonly
Returns the value of attribute measure_period.
-
#populations ⇒ Object
readonly
Returns the value of attribute populations.
-
#source_data_criteria ⇒ Object
readonly
Returns the value of attribute source_data_criteria.
Class Method Summary collapse
-
.parse(hqmf_contents) ⇒ Nokogiri::XML::Document
Parse an XML document at the supplied path.
Instance Method Summary collapse
-
#all_data_criteria ⇒ Array
Get all the data criteria defined by the measure.
-
#all_population_criteria ⇒ Array
Get all the population criteria defined by the measure.
-
#data_criteria(id) ⇒ HQMF2::DataCriteria
Get a specific data criteria by id.
-
#description ⇒ String
Get the description of the measure.
-
#initialize(hqmf_contents) ⇒ Document
constructor
Create a new HQMF2::Document instance by parsing at file at the supplied path.
-
#population_criteria(id) ⇒ HQMF2::PopulationCriteria
Get a specific population criteria by id.
-
#title ⇒ String
Get the title of the measure.
- #to_model ⇒ Object
Methods included from Utilities
Methods included from HQMF::Conversion::Utilities
#build_hash, #check_equality, #json_array, #openstruct_to_json
Constructor Details
#initialize(hqmf_contents) ⇒ Document
Create a new HQMF2::Document instance by parsing at file at the supplied path
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# File 'lib/hqmf-parser/2.0/document.rb', line 12 def initialize(hqmf_contents) @doc = @entry = Document.parse(hqmf_contents) @id = attr_val('cda:QualityMeasureDocument/cda:id/@extension') @hqmf_set_id = attr_val('cda:QualityMeasureDocument/cda:setId/@extension') @hqmf_version_number = attr_val('cda:QualityMeasureDocument/cda:versionNumber/@value').to_i measure_period_def = @doc.at_xpath('cda:QualityMeasureDocument/cda:controlVariable/cda:measurePeriod/cda:value', NAMESPACES) if measure_period_def @measure_period = EffectiveTime.new(measure_period_def) end # Extract measure attributes @attributes = @doc.xpath('/cda:QualityMeasureDocument/cda:subjectOf/cda:measureAttribute', NAMESPACES).collect do |attribute| id = attribute.at_xpath('./cda:id/@extension', NAMESPACES).try(:value) code = attribute.at_xpath('./cda:code/@code', NAMESPACES).try(:value) name = attribute.at_xpath('./cda:code/cda:displayName/@value', NAMESPACES).try(:value) value = attribute.at_xpath('./cda:value/@value', NAMESPACES).try(:value) HQMF::Attribute.new(id, code, value, nil, name) end # Extract the data criteria @data_criteria = [] @source_data_criteria = [] @doc.xpath('cda:QualityMeasureDocument/cda:component/cda:dataCriteriaSection/cda:entry', NAMESPACES).each do |entry| criteria = DataCriteria.new(entry) if criteria.is_source_data_criteria @source_data_criteria << criteria else @data_criteria << criteria end end # Extract the population criteria and population collections @populations = [] @population_criteria = [] population_counters = {} ids_by_hqmf_id = {} @doc.xpath('cda:QualityMeasureDocument/cda:component/cda:populationCriteriaSection', NAMESPACES).each_with_index do |population_def, population_index| population = {} stratifier_id_def = population_def.at_xpath('cda:templateId/cda:item[@root="'+HQMF::Document::STRATIFIED_POPULATION_TEMPLATE_ID+'"]/@controlInformationRoot', NAMESPACES) population['stratification'] = stratifier_id_def.value if stratifier_id_def { HQMF::PopulationCriteria::IPP => 'patientPopulationCriteria', HQMF::PopulationCriteria::DENOM => 'denominatorCriteria', HQMF::PopulationCriteria::NUMER => 'numeratorCriteria', HQMF::PopulationCriteria::DENEXCEP => 'denominatorExceptionCriteria', HQMF::PopulationCriteria::DENEX => 'denominatorExclusionCriteria' }.each_pair do |criteria_id, criteria_element_name| criteria_def = population_def.at_xpath("cda:component[cda:#{criteria_element_name}]", NAMESPACES) if criteria_def criteria = PopulationCriteria.new(criteria_def, self) # check to see if we have an identical population criteria. # this can happen since the hqmf 2.0 will export a DENOM, NUMER, etc for each population, even if identical. # if we have identical, just re-use it rather than creating DENOM_1, NUMER_1, etc. identical = @population_criteria.select {|pc| pc.to_model.base_json.to_json == criteria.to_model.base_json.to_json} if (identical.empty?) # this section constructs a human readable id. The first IPP will be IPP, the second will be IPP_1, etc. This allows the populations to be # more readable. The alternative would be to have the hqmf ids in the populations, which would work, but is difficult to read the populations. if ids_by_hqmf_id["#{criteria.hqmf_id}-#{population['stratification']}"] criteria.create_human_readable_id(ids_by_hqmf_id[criteria.hqmf_id]) else if population_counters[criteria_id] population_counters[criteria_id] += 1 criteria.create_human_readable_id("#{criteria_id}_#{population_counters[criteria_id]}") else population_counters[criteria_id] = 0 criteria.create_human_readable_id(criteria_id) end ids_by_hqmf_id["#{criteria.hqmf_id}-#{population['stratification']}"] = criteria.id end @population_criteria << criteria population[criteria_id] = criteria.id else population[criteria_id] = identical.first.id end end end id_def = population_def.at_xpath('cda:id/@extension', NAMESPACES) population['id'] = id_def ? id_def.value : "Population#{population_index}" title_def = population_def.at_xpath('cda:title/@value', NAMESPACES) population['title'] = title_def ? title_def.value : "Population #{population_index}" @populations << population end end |
Instance Attribute Details
#attributes ⇒ Object (readonly)
Returns the value of attribute attributes.
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# File 'lib/hqmf-parser/2.0/document.rb', line 8 def attributes @attributes end |
#hqmf_set_id ⇒ Object (readonly)
Returns the value of attribute hqmf_set_id.
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# File 'lib/hqmf-parser/2.0/document.rb', line 8 def hqmf_set_id @hqmf_set_id end |
#hqmf_version_number ⇒ Object (readonly)
Returns the value of attribute hqmf_version_number.
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# File 'lib/hqmf-parser/2.0/document.rb', line 8 def hqmf_version_number @hqmf_version_number end |
#id ⇒ Object (readonly)
Returns the value of attribute id.
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# File 'lib/hqmf-parser/2.0/document.rb', line 8 def id @id end |
#measure_period ⇒ Object (readonly)
Returns the value of attribute measure_period.
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# File 'lib/hqmf-parser/2.0/document.rb', line 8 def measure_period @measure_period end |
#populations ⇒ Object (readonly)
Returns the value of attribute populations.
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# File 'lib/hqmf-parser/2.0/document.rb', line 8 def populations @populations end |
#source_data_criteria ⇒ Object (readonly)
Returns the value of attribute source_data_criteria.
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# File 'lib/hqmf-parser/2.0/document.rb', line 8 def source_data_criteria @source_data_criteria end |
Class Method Details
Instance Method Details
#all_data_criteria ⇒ Array
Get all the data criteria defined by the measure
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# File 'lib/hqmf-parser/2.0/document.rb', line 134 def all_data_criteria @data_criteria end |
#all_population_criteria ⇒ Array
Get all the population criteria defined by the measure
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# File 'lib/hqmf-parser/2.0/document.rb', line 121 def all_population_criteria @population_criteria end |
#data_criteria(id) ⇒ HQMF2::DataCriteria
Get a specific data criteria by id.
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# File 'lib/hqmf-parser/2.0/document.rb', line 141 def data_criteria(id) find(@data_criteria, :id, id) end |
#description ⇒ String
Get the description of the measure
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# File 'lib/hqmf-parser/2.0/document.rb', line 114 def description description = @doc.at_xpath('cda:QualityMeasureDocument/cda:text/@value', NAMESPACES) description==nil ? '' : description.inner_text end |
#population_criteria(id) ⇒ HQMF2::PopulationCriteria
Get a specific population criteria by id.
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# File 'lib/hqmf-parser/2.0/document.rb', line 128 def population_criteria(id) find(@population_criteria, :id, id) end |
#title ⇒ String
Get the title of the measure
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# File 'lib/hqmf-parser/2.0/document.rb', line 108 def title @doc.at_xpath('cda:QualityMeasureDocument/cda:title/@value', NAMESPACES).inner_text end |
#to_model ⇒ Object
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# File 'lib/hqmf-parser/2.0/document.rb', line 152 def to_model dcs = all_data_criteria.collect {|dc| dc.to_model} pcs = all_population_criteria.collect {|pc| pc.to_model} sdc = source_data_criteria.collect{|dc| dc.to_model} HQMF::Document.new(id, id, hqmf_set_id, hqmf_version_number, nil, title, description, pcs, dcs, sdc, attributes, measure_period.to_model, populations) end |