Class: StorageRepository

Inherits:
Repository show all
Defined in:
lib/ff/ruby/server/sdk/api/storage_repository.rb

Instance Method Summary collapse

Constructor Details

#initialize(cache, callback = nil, store = nil, logger = nil) ⇒ StorageRepository

Returns a new instance of StorageRepository.



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# File 'lib/ff/ruby/server/sdk/api/storage_repository.rb', line 7

def initialize(cache, callback = nil, store = nil, logger = nil)

  @cache = cache
  @store = store
  @callback = callback

  if logger != nil

    @logger = logger
  else

    @logger = Logger.new(STDOUT)
  end
end

Instance Method Details

#close ⇒ Object 



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# File 'lib/ff/ruby/server/sdk/api/storage_repository.rb', line 224

def close

  if @store != nil

    @store.close
  end
end

#delete_flag(identifier) ⇒ Object 



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# File 'lib/ff/ruby/server/sdk/api/storage_repository.rb', line 172

def delete_flag(identifier)

  flag_key = format_flag_key(identifier)

  if @store != nil

    @store.delete(flag_key)

    @logger.debug "Flag " + identifier + " successfully deleted from store"
  end

  @cache.delete(flag_key)

  @logger.debug "Flag " + identifier + " successfully deleted from cache"

  if @callback != nil

    unless @callback.kind_of?(RepositoryCallback)

      raise "The 'callback' parameter must be of '" + RepositoryCallback.to_s + "' data type"
    end

    @callback.on_flag_deleted(identifier)
  end
end

#delete_segment(identifier) ⇒ Object 



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# File 'lib/ff/ruby/server/sdk/api/storage_repository.rb', line 198

def delete_segment(identifier)

  segment_key = format_segment_key(identifier)

  if @store != nil

    @store.delete(segment_key)

    @logger.debug "Segment " + identifier + " successfully deleted from store"
  end

  @cache.delete(segment_key)

  @logger.debug "Segment " + identifier + " successfully deleted from cache"

  if @callback != nil

    unless @callback.kind_of?(RepositoryCallback)

      raise "The 'callback' parameter must be of '" + RepositoryCallback.to_s + "' data type"
    end

    @callback.on_segment_deleted(identifier)
  end
end

#find_flags_by_segment(identifier) ⇒ Object 



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# File 'lib/ff/ruby/server/sdk/api/storage_repository.rb', line 70

def find_flags_by_segment(identifier)

  result = []
  keys = @cache.keys

  if @store != nil

    keys = @store.keys
  end

  keys.each do |key|

    flag = get_flag(key)

    if flag != nil && !flag.rules.length > 0

      flag.rules.each do |rule|

        rule.clauses.each do |clause|

          if clause.op == Operators.SEGMENT_MATCH && clause.values.include(identifier)

            result.push(flag.feature)
          end
        end
      end
    end
  end

  result
end

#get_flag(identifier, cacheable = true) ⇒ Object 



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# File 'lib/ff/ruby/server/sdk/api/storage_repository.rb', line 22

def get_flag(identifier, cacheable = true)

  flag_key = format_flag_key(identifier)
  flag = @cache.get(flag_key)

  if flag != nil

    return flag
  end

  if @store != nil

    flag = @store.get(flag_key)
    if flag != nil && cacheable

      @cache.set(flag_key, flag)
    end

    return flag
  end

  nil
end

#get_segment(identifier, cacheable = true) ⇒ Object 



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# File 'lib/ff/ruby/server/sdk/api/storage_repository.rb', line 46

def get_segment(identifier, cacheable = true)

  segment_key = format_segment_key(identifier)
  segment = @cache.get(segment_key)

  if segment != nil

    return segment
  end

  if @store != nil

    segment = @store.get(segment_key)
    if segment != nil && cacheable

      @cache.set(segment_key, segment)
    end

    return segment
  end

  nil
end

#set_flag(identifier, feature_config) ⇒ Object 



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# File 'lib/ff/ruby/server/sdk/api/storage_repository.rb', line 102

def set_flag(identifier, feature_config)

  if is_flag_outdated(identifier, feature_config)

    @logger.debug "Flag " + identifier + " already exists"
    return
  end

  sort_flag_rules(feature_config)
  flag_key = format_flag_key(identifier)

  if @store != nil

    @store.set(flag_key, feature_config)
    @cache.delete(flag_key)

    @logger.debug "Flag " + identifier + " successfully stored and cache invalidated"
  else

    @cache.set(flag_key, feature_config)

    @logger.debug "Flag " + identifier + " successfully cached"
  end

  if @callback != nil

    unless @callback.kind_of?(RepositoryCallback)

      raise "The 'callback' parameter must be of '" + RepositoryCallback.to_s + "' data type"
    end

    @callback.on_flag_stored(identifier)
  end
end

#set_segment(identifier, segment) ⇒ Object 



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# File 'lib/ff/ruby/server/sdk/api/storage_repository.rb', line 137

def set_segment(identifier, segment)

  if is_segment_outdated(identifier, segment)

    @logger.debug "Segment " + identifier + " already exists"
    return
  end

  sort_segment_serving_rules(segment)
  segment_key = format_segment_key(identifier)

  if @store != nil

    @store.set(segment_key, segment)
    @cache.delete(segment_key)

    @logger.debug "Segment " + identifier + " successfully stored and cache invalidated"
  else

    @cache.set(segment_key, segment)

    @logger.debug "Segment " + identifier + " successfully cached"
  end

  if @callback != nil

    unless @callback.kind_of?(RepositoryCallback)

      raise "The 'callback' parameter must be of '" + RepositoryCallback.to_s + "' data type"
    end

    @callback.on_segment_stored(identifier)
  end
end