Class: ConceptQL::Operators::BinaryOperatorOperator

Inherits:
Operator
  • Object
show all
Defined in:
lib/conceptql/operators/binary_operator_operator.rb

Overview

Base class for all operators that take two streams, a left-hand and a right-hand

Direct Known Subclasses

Except, Filter, PersonFilter, TemporalOperator

Constant Summary

Constants inherited from Operator

Operator::COLUMNS

Instance Attribute Summary

Attributes inherited from Operator

#arguments, #options, #values

Instance Method Summary collapse

Methods inherited from Operator

#columns, #evaluate, #initialize, #label, #select_it, #set_values, #sql, #stream, #types

Methods included from Metadatable

#allows_many_upstreams, #allows_one_upstream, #argument, #category, #desc, #humanized_class_name, #inherited, #just_class_name, #option, #predominant_types, #preferred_name, #reset_categories, #to_metadata, #types

Constructor Details

This class inherits a constructor from ConceptQL::Operators::Operator

Instance Method Details

#display_name ⇒ Object 



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# File 'lib/conceptql/operators/binary_operator_operator.rb', line 29

def display_name
  self.class.name.split('::').last.snakecase.titlecase
end

#graph_it(g, db) ⇒ Object 



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# File 'lib/conceptql/operators/binary_operator_operator.rb', line 15

def graph_it(g, db)
  left.graph_it(g, db)
  right.graph_it(g, db)
  cluster_name = "cluster_#{operator_name}"
  me = g.send(cluster_name) do |sub|
    sub[rank: 'same', label: display_name, color: 'black']
    sub.send("#{cluster_name}_left").send('[]', shape: 'point', color: type_color(types))
    sub.send("#{cluster_name}_right").send('[]', shape: 'point')
  end
  left.link_to(g, me.send("#{cluster_name}_left"), db)
  right.link_to(g, me.send("#{cluster_name}_right"), db)
  @__graph_operator = me.send("#{cluster_name}_left")
end

#upstreams ⇒ Object 



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# File 'lib/conceptql/operators/binary_operator_operator.rb', line 11

def upstreams
  [left]
end