Class: Turbo::Replay::Repo::Memory

Inherits:
Base
  • Object
show all
Defined in:
lib/turbo/replay/repo/memory.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Memory

Returns a new instance of Memory.



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# File 'lib/turbo/replay/repo/memory.rb', line 4

def initialize
  @mutex = Mutex.new
  @counters = {}
  @messages = {}
  @ttl = {}
end

Instance Method Details

#get_all_messages(broadcasting:) ⇒ Object 



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# File 'lib/turbo/replay/repo/memory.rb', line 17

def get_all_messages(broadcasting:)
  synchronize(broadcasting) do
    @messages.fetch(broadcasting, [])
  end
end

#get_current_sequence_number(broadcasting:) ⇒ Object 



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# File 'lib/turbo/replay/repo/memory.rb', line 11

def get_current_sequence_number(broadcasting:)
  synchronize(broadcasting) do
    @counters.fetch(broadcasting, 0)
  end
end

#insert_message(broadcasting:, content:, retention:) ⇒ Object 



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# File 'lib/turbo/replay/repo/memory.rb', line 23

def insert_message(broadcasting:, content:, retention:)
  synchronize(broadcasting) do
    @ttl[broadcasting] =
      Time.current + retention.ttl

    next_sequence_number =
      (@counters[broadcasting] = @counters.fetch(broadcasting, 0) + 1)

    content_with_sequence_number =
      {sequence_number: next_sequence_number, content: content}

    (@messages[broadcasting] ||= []).tap do |messages|
      messages << content_with_sequence_number
      messages.shift if messages.length > retention.size
    end

    content_with_sequence_number
  end
end