Class: Statsig::SpecStore

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

Constant Summary collapse

CONFIG_SPECS_KEY = 
"statsig.cache"

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(network, options, error_callback, init_diagnostics = nil) ⇒ SpecStore

Returns a new instance of SpecStore.



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# File 'lib/spec_store.rb', line 17

def initialize(network, options, error_callback, init_diagnostics = nil)
  @init_reason = EvaluationReason::UNINITIALIZED
  @network = network
  @options = options
  @error_callback = error_callback
  @last_config_sync_time = 0
  @initial_config_sync_time = 0
  @rulesets_sync_interval = options.rulesets_sync_interval
  @id_lists_sync_interval = options.idlists_sync_interval
  @rules_updated_callback = options.rules_updated_callback
  @specs = {
    :gates => {},
    :configs => {},
    :layers => {},
    :id_lists => {},
    :experiment_to_layer => {}
  }

  @id_list_thread_pool = Concurrent::FixedThreadPool.new(
    options.idlist_threadpool_size,
    max_queue: 100,
    fallback_policy: :discard,
  )

  unless @options.bootstrap_values.nil?
    begin
      if !@options.data_store.nil?
        puts 'data_store gets priority over bootstrap_values. bootstrap_values will be ignored'
      else
        init_diagnostics&.mark("bootstrap", "start", "load")
        if process(options.bootstrap_values)
          @init_reason = EvaluationReason::BOOTSTRAP
        end
        init_diagnostics&.mark("bootstrap", "end", "load", @init_reason == EvaluationReason::BOOTSTRAP)
      end
    rescue
      puts 'the provided bootstrapValues is not a valid JSON string'
    end
  end

  unless @options.data_store.nil?
    init_diagnostics&.mark("data_store", "start", "load")
    @options.data_store.init
    load_from_storage_adapter
    init_diagnostics&.mark("data_store", "end", "load", @init_reason == EvaluationReason::DATA_ADAPTER)
  end

  if @init_reason == EvaluationReason::UNINITIALIZED
    download_config_specs(init_diagnostics)
  end

  @initial_config_sync_time = @last_config_sync_time == 0 ? -1 : @last_config_sync_time
  get_id_lists(init_diagnostics)

  @config_sync_thread = sync_config_specs
  @id_lists_sync_thread = sync_id_lists
end

Instance Attribute Details

#init_reason ⇒ Object

Returns the value of attribute init_reason.



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# File 'lib/spec_store.rb', line 15

def init_reason
  @init_reason
end

#initial_config_sync_time ⇒ Object

Returns the value of attribute initial_config_sync_time.



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# File 'lib/spec_store.rb', line 14

def initial_config_sync_time
  @initial_config_sync_time
end

#last_config_sync_time ⇒ Object

Returns the value of attribute last_config_sync_time.



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# File 'lib/spec_store.rb', line 13

def last_config_sync_time
  @last_config_sync_time
end

Instance Method Details

#get_config(config_name) ⇒ Object 



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# File 'lib/spec_store.rb', line 106

def get_config(config_name)
  return nil unless has_config?(config_name)
  @specs[:configs][config_name]
end

#get_gate(gate_name) ⇒ Object 



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# File 'lib/spec_store.rb', line 101

def get_gate(gate_name)
  return nil unless has_gate?(gate_name)
  @specs[:gates][gate_name]
end

#get_id_list(list_name) ⇒ Object 



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# File 'lib/spec_store.rb', line 116

def get_id_list(list_name)
  @specs[:id_lists][list_name]
end

#get_layer(layer_name) ⇒ Object 



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# File 'lib/spec_store.rb', line 111

def get_layer(layer_name)
  return nil unless has_layer?(layer_name)
  @specs[:layers][layer_name]
end

#get_raw_specs ⇒ Object 



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# File 'lib/spec_store.rb', line 120

def get_raw_specs
  @specs
end

#has_config?(config_name) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/spec_store.rb', line 93

def has_config?(config_name)
  @specs[:configs].key?(config_name)
end

#has_gate?(gate_name) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/spec_store.rb', line 89

def has_gate?(gate_name)
  @specs[:gates].key?(gate_name)
end

#has_layer?(layer_name) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/spec_store.rb', line 97

def has_layer?(layer_name)
  @specs[:layers].key?(layer_name)
end

#is_ready_for_checks ⇒ Object 



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# File 'lib/spec_store.rb', line 75

def is_ready_for_checks
  @last_config_sync_time != 0
end

#maybe_restart_background_threads ⇒ Object 



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# File 'lib/spec_store.rb', line 124

def maybe_restart_background_threads
  if @config_sync_thread.nil? or !@config_sync_thread.alive?
    @config_sync_thread = sync_config_specs
  end
  if @id_lists_sync_thread.nil? or !@id_lists_sync_thread.alive?
    @id_lists_sync_thread = sync_id_lists
  end
end

#shutdown ⇒ Object 



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# File 'lib/spec_store.rb', line 79

def shutdown
  @config_sync_thread&.exit
  @id_lists_sync_thread&.exit
  @id_list_thread_pool.shutdown
  @id_list_thread_pool.wait_for_termination(timeout = 3)
  unless @options.data_store.nil?
    @options.data_store.shutdown
  end
end