Class: ActiveRecord::ModelSpaces::ModelSpace

Inherits:
Object
  • Object
show all
Includes:
Util
Defined in:
lib/active_record/model_spaces/model_space.rb

Overview

a ModelSpace has a set of models registered with it, from which a Context can be created

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Util

all_model_superclasses, class_for_classname, class_from_classname, is_active_record_model?, model_from_name, name_from_model, require_for_classname

Constructor Details

#initialize(name) ⇒ ModelSpace

Returns a new instance of ModelSpace.



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# File 'lib/active_record/model_spaces/model_space.rb', line 24

def initialize(name)
  @name = name.to_sym
  @model_registrations = {}
end

Instance Attribute Details

#model_registrations ⇒ Object (readonly)

Returns the value of attribute model_registrations.



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# File 'lib/active_record/model_spaces/model_space.rb', line 22

def model_registrations
  @model_registrations
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/active_record/model_spaces/model_space.rb', line 21

def name
  @name
end

Instance Method Details

#base_table_name(model) ⇒ Object 



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# File 'lib/active_record/model_spaces/model_space.rb', line 57

def base_table_name(model)
  r = get_model_registration(model)
  r[:base_table_name] || TableNames.base_table_name(r[:model])
end

#create_context(model_space_key) ⇒ Object 



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# File 'lib/active_record/model_spaces/model_space.rb', line 70

def create_context(model_space_key)
  Context.new(self, model_space_key, ModelSpaces.create_persistor)
end

#deregister_model(model) ⇒ Object 



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# File 'lib/active_record/model_spaces/model_space.rb', line 37

def deregister_model(model)
  delete_model_registration(model)
end

#history_versions(model) ⇒ Object 



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# File 'lib/active_record/model_spaces/model_space.rb', line 41

def history_versions(model)
  get_model_registration(model)[:history_versions] || 0
end

#is_registered?(model) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/active_record/model_spaces/model_space.rb', line 66

def is_registered?(model)
  !!unchecked_get_model_registration(model)
end

#kill_context(model_space_key) ⇒ Object 



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# File 'lib/active_record/model_spaces/model_space.rb', line 74

def kill_context(model_space_key)
  Context.drop_tables(self, model_space_key)
  true
end

#register_model(model, opts = nil) ⇒ Object 



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# File 'lib/active_record/model_spaces/model_space.rb', line 29

def register_model(model, opts=nil)
  raise "#{model} is not an ActiveRecord model Class" if !is_active_record_model?(model)
  opts ||= {}
  ModelSpaces.check_model_registration_keys(opts.keys)
  set_model_registration(model, opts.merge(:model=>model))
  self
end

#registered_model(model) ⇒ Object 



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# File 'lib/active_record/model_spaces/model_space.rb', line 49

def registered_model(model)
  get_model_registration(model)[:model]
end

#registered_model_keys ⇒ Object 



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# File 'lib/active_record/model_spaces/model_space.rb', line 62

def registered_model_keys
  self.model_registrations.keys
end

#registered_model_name(model) ⇒ Object 



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# File 'lib/active_record/model_spaces/model_space.rb', line 53

def registered_model_name(model)
  name_from_model(get_model_registration(model)[:model])
end

#set_base_table_name(model, table_name) ⇒ Object 



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# File 'lib/active_record/model_spaces/model_space.rb', line 45

def set_base_table_name(model, table_name)
  get_model_registration(model)[:base_table_name] = table_name
end