Class: SplitIoClient::Cache::Adapters::CacheAdapter

Inherits:
Object
  • Object
show all
Extended by:
Forwardable
Defined in:
lib/splitclient-rb/cache/adapters/cache_adapter.rb

Instance Method Summary collapse

Constructor Details

#initialize(config) ⇒ CacheAdapter

Returns a new instance of CacheAdapter.



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# File 'lib/splitclient-rb/cache/adapters/cache_adapter.rb', line 10

def initialize(config)
  @cache = LruRedux::TTL::ThreadSafeCache.new(config.max_cache_size, config.cache_ttl)
  @adapter = config.cache_adapter
end

Instance Method Details

#add_to_set(key, values) ⇒ Object 



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# File 'lib/splitclient-rb/cache/adapters/cache_adapter.rb', line 71

def add_to_set(key, values)
  if values.is_a? Array
    values.each { |value| add_to_map(key, value, 1) }
  else
    add_to_map(key, values, 1)
  end
  @adapter.add_to_set(key, values)
end

#clear(namespace_key) ⇒ Object 



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# File 'lib/splitclient-rb/cache/adapters/cache_adapter.rb', line 20

def clear(namespace_key)
  @cache.clear
end

#delete(key) ⇒ Object 



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# File 'lib/splitclient-rb/cache/adapters/cache_adapter.rb', line 15

def delete(key)
  @cache.delete(key)
  @adapter.delete(key)
end

#delete_from_set(key, fields) ⇒ Object 



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# File 'lib/splitclient-rb/cache/adapters/cache_adapter.rb', line 96

def delete_from_set(key, fields)
  cached_value = get(key)
  if cached_value
    if fields.is_a? Array
      fields.each { |field| cached_value.delete(field) }
    else
      cached_value.delete(fields)
    end
  end

  @adapter.delete_from_set(key, fields)
end

#exists?(key) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/splitclient-rb/cache/adapters/cache_adapter.rb', line 62

def exists?(key)
  cached_value = get(key)
  if cached_value.nil?
    @adapter.exists?(key)
  else
    true
  end
end

#find_strings_by_prefix(prefix) ⇒ Object 



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# File 'lib/splitclient-rb/cache/adapters/cache_adapter.rb', line 58

def find_strings_by_prefix(prefix)
  @adapter.find_strings_by_prefix(prefix)
end

#get_set(key) ⇒ Object 



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# File 'lib/splitclient-rb/cache/adapters/cache_adapter.rb', line 88

def get_set(key)
  cached_value = get(key)
  if cached_value.nil?
    return @adapter.get_set(key)
  end
  cached_value.keys
end

#in_set?(key, field) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/splitclient-rb/cache/adapters/cache_adapter.rb', line 80

def in_set?(key, field)
  cached_value = get(key)
  if cached_value.nil?
    return @adapter.in_set?(key, field)
  end
  cached_value.key?(field)
end

#initialize_map(key) ⇒ Object 



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# File 'lib/splitclient-rb/cache/adapters/cache_adapter.rb', line 109

def initialize_map(key)
  @cache[key] = Concurrent::Map.new
end

#multiple_strings(keys) ⇒ Object 



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# File 'lib/splitclient-rb/cache/adapters/cache_adapter.rb', line 37

def multiple_strings(keys)
  cached_values = keys.each_with_object({}) do |key, memo|
     memo[key] = get(key)
  end

  non_cached_keys = []
  cached_values.delete_if{ |k,v| v.nil? ? non_cached_keys << k : false }

  if non_cached_keys.any?
    new_values = @adapter.multiple_strings(non_cached_keys)

    new_values.keys.each do |key, value|
      add(key, value)
    end

    cached_values.merge!(new_values)
  end

  cached_values
end

#set_string(key, value) ⇒ Object 



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# File 'lib/splitclient-rb/cache/adapters/cache_adapter.rb', line 32

def set_string(key, value)
  add(key, value)
  @adapter.set_string(key, value)
end

#string(key) ⇒ Object 



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# File 'lib/splitclient-rb/cache/adapters/cache_adapter.rb', line 24

def string(key)
  value = get(key)
  return value if value
  value = @adapter.string(key)
  add(key, value)
  value
end