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Contents
# frozen_string_literal: true
module WaterDrop
class Producer
# Producer lifecycle status object representation
class Status
# States in which the producer can be
LIFECYCLE = %i[
initial
configured
connected
closing
closed
].freeze
private_constant :LIFECYCLE
# Creates a new instance of status with the initial state
# @return [Status]
def initialize
@current = LIFECYCLE.first
end
# @return [Boolean] true if producer is in a active state. Active means, that we can start
# sending messages. Actives states are connected (connection established) or configured,
# which means, that producer is configured, but connection with Kafka is
# not yet established.
def active?
connected? || configured?
end
# @return [String] current status as a string
def to_s
@current.to_s
end
LIFECYCLE.each do |state|
module_eval <<-RUBY, __FILE__, __LINE__ + 1
# @return [Boolean] true if current status is as we want, otherwise false
def #{state}?
@current == :#{state}
end
# Sets a given state as current
def #{state}!
@current = :#{state}
end
RUBY
end
end
end
end
Version data entries
58 entries across 58 versions & 1 rubygems