Class: Migrate::Controller

Inherits:
Object
  • Object
show all
Defined in:
lib/migrate/controller.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Controller

Returns a new instance of Controller.



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# File 'lib/migrate/controller.rb', line 23

def initialize
	@migrations = {}
end

Instance Attribute Details

#migrations ⇒ Object (readonly)

Returns the value of attribute migrations.



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# File 'lib/migrate/controller.rb', line 27

def migrations
  @migrations
end

Instance Method Details

#<<(migrations) ⇒ Object 



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# File 'lib/migrate/controller.rb', line 45

def << migrations
	migrations.each do |migration|
		apply(migration) do
			migration.call(self)
		end unless @migrations.include?(migration)
	end
end

#apply(migration) ⇒ Object

Apply the given migration.



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# File 'lib/migrate/controller.rb', line 30

def apply(migration)
	start_time = Time.now
	
	yield
	
	duration = Time.now - start_time
	
	commit(migration)
end

#commit(migration) ⇒ Object

Persist that the migration was applied.



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# File 'lib/migrate/controller.rb', line 41

def commit(migration)
	@migrations[migration.name] = migration
end