Class: Bootsnap::LoadPathCache::Store

Inherits:
Object
  • Object
show all
Defined in:
lib/bootsnap/load_path_cache/store.rb

Constant Summary collapse

VERSION_KEY = 
"__bootsnap_ruby_version__"
CURRENT_VERSION =

rubocop:disable Style/RedundantFreeze

"#{RUBY_REVISION}-#{RUBY_PLATFORM}".freeze
NestedTransactionError = 
Class.new(StandardError)
SetOutsideTransactionNotAllowed = 
Class.new(StandardError)

Instance Method Summary collapse

Constructor Details

#initialize(store_path, readonly: false) ⇒ Store

Returns a new instance of Store.



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# File 'lib/bootsnap/load_path_cache/store.rb', line 16

def initialize(store_path, readonly: false)
  @store_path = store_path
  @txn_mutex = Mutex.new
  @dirty = false
  @readonly = readonly
  load_data
end

Instance Method Details

#fetch(key) ⇒ Object

Raises:



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# File 'lib/bootsnap/load_path_cache/store.rb', line 28

def fetch(key)
  raise(SetOutsideTransactionNotAllowed) unless @txn_mutex.owned?

  v = get(key)
  unless v
    v = yield
    mark_for_mutation!
    @data[key] = v
  end
  v
end

#get(key) ⇒ Object 



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# File 'lib/bootsnap/load_path_cache/store.rb', line 24

def get(key)
  @data[key]
end

#set(key, value) ⇒ Object

Raises:



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# File 'lib/bootsnap/load_path_cache/store.rb', line 40

def set(key, value)
  raise(SetOutsideTransactionNotAllowed) unless @txn_mutex.owned?

  if value != @data[key]
    mark_for_mutation!
    @data[key] = value
  end
end

#transaction ⇒ Object

Raises:



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# File 'lib/bootsnap/load_path_cache/store.rb', line 49

def transaction
  raise(NestedTransactionError) if @txn_mutex.owned?

  @txn_mutex.synchronize do
    yield
  ensure
    commit_transaction
  end
end