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Contents
module Vedeu
# Allows the storing of event aliases. Each alias can contain multiple event
# names.
#
module EventAliases
extend self
# @param alias_name [Symbol]
# @param event_name [Symbol]
# @return [Hash<Symbol => Array<Symbol>>]
def add(alias_name, event_name)
storage[alias_name] << event_name
end
alias_method :bind_alias, :add
# Return a boolean indicating whether the storage is empty.
#
# @return [Boolean]
def empty?
storage.empty?
end
# @param alias_name [Symbol]
# @return [Array<Symbol>]
def find(alias_name)
storage[alias_name]
end
# Returns a boolean indicating whether the alias is registered.
#
# @param alias_name [Symbol]
# @return [Boolean]
def registered?(alias_name)
return false if alias_name.nil? || alias_name.empty?
return false if empty?
storage.include?(alias_name)
end
# @param alias_name [Symbol]
# @return [FalseClass|Hash<Symbol => Array<Symbol>>]
def remove(alias_name)
return false if empty?
return false unless registered?(alias_name)
storage.delete(alias_name)
storage
end
alias_method :unbind_alias, :remove
# @return [Hash<Symbol => Array<Symbol>>]
def reset
@storage = in_memory
end
alias_method :reset!, :reset
# Access to the storage for this repository.
#
# @return [Hash<Symbol => Array<Symbol>>]
def storage
@storage ||= in_memory
end
# @param alias_name [Symbol]
# @param args [void]
# @return [FalseClass|Array<void>|void]
def trigger(alias_name, *args)
return [] unless registered?(alias_name)
storage[alias_name].map do |event_name|
Vedeu.log(type: :debug, message: "#{event_name}")
Vedeu::Trigger.trigger(event_name, *args)
end
end
private
# @return [Hash<Symbol => Array<Symbol>>]
def in_memory
Hash.new { |hash, key| hash[key] = [] }
end
end # EventAliases
end # Vedeu
Version data entries
14 entries across 14 versions & 1 rubygems