Class: DynamicModel::RelationsAnalyser

Inherits:
Object
  • Object
show all
Defined in:
lib/database_introspection/dynamic_model/relations_analyser.rb

Overview

This class is in charge to analyse the relationships between the tables of the domain. It will then add association methods to the classes.

Constant Summary collapse

KEY_IDENTIFIER = 
/_id$/

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(klasses) ⇒ RelationsAnalyser

Returns a new instance of RelationsAnalyser.



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# File 'lib/database_introspection/dynamic_model/relations_analyser.rb', line 11

def initialize(klasses)
  @klasses = klasses
  @alterations = {}
end

Instance Attribute Details

#alterations ⇒ Object (readonly)

 



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# File 'lib/database_introspection/dynamic_model/relations_analyser.rb', line 9

def alterations
  @alterations
end

Instance Method Details

#run ⇒ Object 



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# File 'lib/database_introspection/dynamic_model/relations_analyser.rb', line 16

def run
  raise "cannot rerun analysis with the same object... Create a new instance !" if @did_run
  return if @klasses.empty?
  @domain = @klasses[0].domain
  introspect_belongs_to
  verify_if_has_many_relations_could_be_actually_has_one
  discover_has_many_through_from_belongs_to
  apply_alterations
  @did_run = true
end