Class: Model::Capability

Inherits:
Object
  • Object
show all
Defined in:
lib/models/capability.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(node, repository) ⇒ Capability

Returns a new instance of Capability.



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# File 'lib/models/capability.rb', line 5

def initialize(node, repository)
  @query = NodeQuery.new(node, repository)
end

Instance Attribute Details

#query ⇒ Object (readonly)

Returns the value of attribute query.



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# File 'lib/models/capability.rb', line 3

def query
  @query
end

Instance Method Details

#actuators ⇒ Object 



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# File 'lib/models/capability.rb', line 39

def actuators
  query.values(LV.actuator).map do |node|
    Device.new node, query.repository
  end
end

#description ⇒ Object 



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# File 'lib/models/capability.rb', line 9

def description
  query.value(LV.description)
end

#device ⇒ Object 



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# File 'lib/models/capability.rb', line 24

def device
  device_node = query.value(LV.device)
  Device.new device_node, query.repository if device_node
end

#property ⇒ Object 



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# File 'lib/models/capability.rb', line 29

def property
  node = query.value(LV.property)
  Property.new node, query.repository if node
end

#question ⇒ Object 



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# File 'lib/models/capability.rb', line 34

def question
  node = query.value(LV.question)
  Question.new node, query.repository if node
end

#sensors ⇒ Object 



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# File 'lib/models/capability.rb', line 45

def sensors
  query.values(LV.sensor).map do |node|
    Device.new node, query.repository
  end
end

#type ⇒ Object 



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# File 'lib/models/capability.rb', line 17

def type
  value = query.value(RDF.type)
  return nil if value.nil?
  t = value.to_s.remove LV.prefix
  Helper.underscore(t).to_sym
end

#value ⇒ Object 



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# File 'lib/models/capability.rb', line 13

def value
  query.value(LV.value).to_s if query.value_exists?(LV.value)
end