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Contents
# typed: true
require_relative 'sequence'
module Datadog
module Core
module Utils
# Acts as a unique dictionary of objects
class ObjectSet
# You can provide a block that defines how the key
# for this message type is resolved.
def initialize(seed = 0, &block)
@sequence = Sequence.new(seed)
@items = {}
@key_block = block
end
# Submit an array of arguments that define the message.
# If they match an existing message, it will return the
# matching object. If it doesn't match, it will yield to
# the block with the next ID & args given.
def fetch(*args)
# TODO: Array hashing is **really** expensive, we probably want to get rid of it in the future
key = @key_block ? @key_block.call(*args) : args.hash
@items[key] ||= yield(@sequence.next, *args)
end
def length
@items.length
end
def objects
@items.values
end
def freeze
super
@items.freeze
end
end
end
end
end
Version data entries
12 entries across 12 versions & 1 rubygems