Class: MDEXClient::MData::Node

Inherits:
Object
  • Object
show all
Defined in:
lib/mdex_client/mdata/node.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(element_or_hash = nil) ⇒ Node

Returns a new instance of Node.



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# File 'lib/mdex_client/mdata/node.rb', line 8

def initialize(element_or_hash=nil)
  return if element_or_hash.nil?
  
  case element_or_hash
  when Nokogiri::XML::Element, Nokogiri::XML::NodeSet
    @element = element_or_hash
    initialize_from_element!
  when Hash
    element_or_hash.each do |key, value|
      send("#{key}=", value)
    end
  else
    raise "Invalid type to initialize a MDEXClient::MData::Node: #{element_or_hash.class}"
  end
end

Instance Attribute Details

#element ⇒ Object

Returns the value of attribute element.



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# File 'lib/mdex_client/mdata/node.rb', line 6

def element
  @element
end

Instance Method Details

#css(search) ⇒ Object 



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# File 'lib/mdex_client/mdata/node.rb', line 29

def css(search)
  @element.css(search, MDEXClient::Client::NAMESPACES)
end

#dimension_value_state_list(search, dimension_values) ⇒ Object 



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# File 'lib/mdex_client/mdata/node.rb', line 56

def dimension_value_state_list(search, dimension_values)
  query = "#{search}/mdata:DimensionValue | #{search}/mdata:DimensionValueReference"
  xpath(query).collect do |dv|
    dimension_values[dv["Id"].to_i]
  end
end

#initialize_from_element! ⇒ Object

Subclasses should override this to initialize the appropriate fields from the provided XML element.



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# File 'lib/mdex_client/mdata/node.rb', line 26

def initialize_from_element!
end

#property_list(search) ⇒ Object 



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# File 'lib/mdex_client/mdata/node.rb', line 49

def property_list(search)
  xpath(search).inject({}) do |memo, property|
    memo[property["Key"]] = property.text
    memo
  end
end

#record_list(search) ⇒ Object 



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# File 'lib/mdex_client/mdata/node.rb', line 37

def record_list(search)
  records = xpath("#{search}/mdata:Record").collect do |child|
    Record.new(child)
  end
  
  xpath("#{search}/mdata:AggregateRecord").each do |child|
    records << AggregateRecord.new(child)
  end
  
  records
end

#xpath(search) ⇒ Object 



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# File 'lib/mdex_client/mdata/node.rb', line 33

def xpath(search)
  @element.xpath(search, MDEXClient::Client::NAMESPACES)
end