Module: Padrino::Reloader::Storage

Extended by:
Storage
Included in:
Storage
Defined in:
lib/padrino-core/reloader/storage.rb

Instance Method Summary collapse

Instance Method Details

#clear! ⇒ Object 



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# File 'lib/padrino-core/reloader/storage.rb', line 6

def clear!
  files.each_key do |file|
    remove(file)
    Reloader.remove_feature(file)
  end
  @files = {}
end

#commit(name) ⇒ Object 



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# File 'lib/padrino-core/reloader/storage.rb', line 33

def commit(name)
  entry = {
    :constants => new_classes(@old_entries[name][:constants]),
    :features  => Set.new($LOADED_FEATURES) - @old_entries[name][:features] - [name]
  }
  files[name] = entry
  @old_entries.delete(name)
end

#prepare(name) ⇒ Object 



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# File 'lib/padrino-core/reloader/storage.rb', line 21

def prepare(name)
  file = remove(name)
  @old_entries ||= {}
  @old_entries[name] = {
    :constants => object_classes,
    :features  => old_features = Set.new($LOADED_FEATURES.dup)
  }
  features = file && file[:features] || []
  features.each{ |feature| Reloader.safe_load(feature, :force => true) }
  Reloader.remove_feature(name) if old_features.include?(name)
end

#remove(name) ⇒ Object 



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# File 'lib/padrino-core/reloader/storage.rb', line 14

def remove(name)
  file = files[name] || return
  file[:constants].each{ |constant| Reloader.remove_constant(constant) }
  file[:features].each{ |feature| Reloader.remove_feature(feature) }
  files.delete(name)
end

#rollback(name) ⇒ Object 



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# File 'lib/padrino-core/reloader/storage.rb', line 42

def rollback(name)
  new_classes(@old_entries[name][:constants]).each do |klass|
    loaded_in_name = files.each do |file, data|
                       next if file == name
                       break if data[:constants].include?(klass)
                     end
    Reloader.remove_constant(klass) if loaded_in_name
  end
  @old_entries.delete(name)
end