Class: Kameleoon::DataManager::DataMapStorage

Inherits:
Object
  • Object
show all
Defined in:
lib/kameleoon/data/manager/data_map_storage.rb

Overview

DataMapStorage is a readonly accessor to a key-value based storage of specific visitor data. It is thread-safe

Instance Method Summary collapse

Constructor Details

#initialize(mutex, map) ⇒ DataMapStorage

Returns a new instance of DataMapStorage.



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# File 'lib/kameleoon/data/manager/data_map_storage.rb', line 16

def initialize(mutex, map)
  @mutex = mutex
  @map = map
end

Instance Method Details

#enumerate(&blk) ⇒ Object 



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# File 'lib/kameleoon/data/manager/data_map_storage.rb', line 21

def enumerate(&blk)
  return if @map.nil?

  @mutex.with_read_lock do
    @map.each { |_k, v| blk.call(v) }
  end
end

#get(key) ⇒ Object 



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# File 'lib/kameleoon/data/manager/data_map_storage.rb', line 29

def get(key)
  return nil if @map.nil?

  value = nil
  @mutex.with_read_lock do
    value = @map[key]
  end
  value
end

#size ⇒ Object 



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# File 'lib/kameleoon/data/manager/data_map_storage.rb', line 39

def size
  return 0 if @map.nil?

  value = nil
  @mutex.with_read_lock do
    value = @map.size
  end
  value
end

#to_s ⇒ Object 



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# File 'lib/kameleoon/data/manager/data_map_storage.rb', line 10

def to_s
  values = []
  enumerate { |v| values << v }
  "DataMapStorage{values:#{values.join(',')}}"
end