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

Instance Attribute Summary collapse

Attributes inherited from Operator

#arguments, #errors, #nodifier, #options, #values

Instance Method Summary collapse

Methods inherited from Operator

#annotate, #cast_column, codes_should_match, #columns, #data_model, #database_type, default_query_columns, #domains, #dup_values, #dynamic_columns, #evaluate, inherited, #initialize, #inspect, #label, new, #operator_name, #optimized, query_columns, register, require_column, #required_columns, #scope, #select_it, #setup_select, #sql, #stream, #to_op, #unionable?, #upstreams_valid?, #valid?

Methods included from Metadatable

#allows_many_upstreams, #allows_one_upstream, #argument, #auto_label, #basic_type, #category, #derive_metadata_from_validations, #desc, #domains, #get_desc, #humanized_class_name, #inherited, #just_class_name, #no_desc, #option, #predominant_domains, #pref_name, #preferred_name, #reset_categories, #standard_description, #to_metadata, #validate_at_least_one_upstream_to_metadata, #validate_at_most_one_upstream_to_metadata, #validate_no_arguments_to_metadata, #validate_no_upstreams_to_metadata, #validate_one_upstream_to_metadata, #validate_required_options_to_metadata, #warn_about_missing_metadata

Constructor Details

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

Instance Attribute Details

#left ⇒ Object (readonly)

Returns the value of attribute left.



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# File 'lib/conceptql/operators/binary_operator_operator.rb', line 32

def left
  @left
end

Instance Method Details

#code_list(db) ⇒ Object 



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# File 'lib/conceptql/operators/binary_operator_operator.rb', line 24

def code_list(db)
  puts "BinaryOperatorOperator.code_list #{self.inspect}"
  code_lists = [left, right].map do | upstream_op |
    upstream_op.code_list(db)
  end
  code_lists.flatten(1)
end

#display_name ⇒ Object 



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# File 'lib/conceptql/operators/binary_operator_operator.rb', line 20

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

#upstreams ⇒ Object 



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# File 'lib/conceptql/operators/binary_operator_operator.rb', line 16

def upstreams
  [left]
end