class Tantot::Agent::Block

Public Class Methods

identify(watch) click to toggle source
# File lib/tantot/agent/block.rb, line 6
def self.identify(watch)
  if watch.block.present?
    CityHash.hash64("#{watch.model.to_s}|#{watch.attributes.inspect}|#{watch.options.inspect}")
  else
    nil
  end
end

Public Instance Methods

debug_block(block) click to toggle source
# File lib/tantot/agent/block.rb, line 27
def debug_block(block)
  location, line = block.source_location
  short_path = defined?(Rails) ? Pathname.new(location).relative_path_from(Rails.root).to_s : location
  "block @ #{short_path}##{line}"
end
debug_id() click to toggle source
# File lib/tantot/agent/block.rb, line 33
def debug_id
  debug_block(watches.first.block)
end
perform(changes_by_model) click to toggle source
# File lib/tantot/agent/block.rb, line 18
def perform(changes_by_model)
  # Block agent always has only one watch
  block = watches.first.block
  model = watches.first.model
  # Skip the model part of the changes since it will always be on a
  # single model, and wrap it in the ById helper.
  model.instance_exec(Tantot::Changes::ById.new(changes_by_model.values.first), &block)
end
setup_watch(watch) click to toggle source
# File lib/tantot/agent/block.rb, line 14
def setup_watch(watch)
  raise Tantot::MultipleWatchesProhibited.new("Can't have multiple block watches per model with the same attributes and options: #{debug_block(watch.block)}") if @watches.any?
end