Class: Pacer::Filter::KeyIndex

Inherits:
Object
  • Object
show all
Defined in:
lib/pacer/filter/property_filter/filters.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(graph, element_type) ⇒ KeyIndex

Returns a new instance of KeyIndex.



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# File 'lib/pacer/filter/property_filter/filters.rb', line 6

def initialize(graph, element_type)
  @graph = graph
  @element_type = element_type
end

Instance Attribute Details

#element_type ⇒ Object (readonly)

Returns the value of attribute element_type.



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# File 'lib/pacer/filter/property_filter/filters.rb', line 4

def element_type
  @element_type
end

#graph ⇒ Object (readonly)

Returns the value of attribute graph.



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# File 'lib/pacer/filter/property_filter/filters.rb', line 4

def graph
  @graph
end

Instance Method Details

#count(key, value) ⇒ Object

FIXME: there is no count for key indices anymore. I’m counting up to 10 elements to try to find good indices, otherwise using anything…



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# File 'lib/pacer/filter/property_filter/filters.rb', line 14

def count(key, value)
  iter = get(key, value).iterator
  10.times do |n|
    if iter.hasNext
      iter.next
    else
      return n
    end
  end
  1_000_000 # Random high number.
end

#get(key, value) ⇒ Object 



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# File 'lib/pacer/filter/property_filter/filters.rb', line 26

def get(key, value)
  if element_type == :vertex
    graph.blueprints_graph.getVertices(key, value)
  else
    graph.blueprints_graph.getEdges(key, value)
  end
end