Class: Ticketing::Ticket

Inherits:
Object
  • Object
show all
Defined in:
lib/ticketing/broker.rb

Overview

An acquired lock guard — release explicitly, or close for a background release. If the client dies, the server's lease frees it. 획득한 락 가드 — 명시 해제 또는 close(백그라운드 해제), 사망 시 lease가 정리.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(broker, conn, key, token) ⇒ Ticket

Returns a new instance of Ticket.



153
154
155
156
157
158
159
160
 
# File 'lib/ticketing/broker.rb', line 153

def initialize(broker, conn, key, token)
  @broker = broker
  @conn = conn
  @key = key
  @token = token
  @released = false
  @mutex = Mutex.new
end

Instance Attribute Details

#key ⇒ Object (readonly)

The locked key. 잠긴 키.



148
149
150
 
# File 'lib/ticketing/broker.rb', line 148

def key
  @key
end

#token ⇒ Object (readonly)

Fencing token — strictly increases with every grant of any key. 펜싱 토큰 — 모든 grant마다 단조 증가. 자원 측에서 낮은 토큰 거부.



151
152
153
 
# File 'lib/ticketing/broker.rb', line 151

def token
  @token
end

Instance Method Details

#close ⇒ Object

Background release (fire-and-forget), like rust's drop. 백그라운드 해제.



170
171
172
173
174
 
# File 'lib/ticketing/broker.rb', line 170

def close
  return if take_released!

  @broker.release_forget(@conn, @key)
end

#release ⇒ Object

Releases the lock; true if the server still held it. 해제 — 보유 중이었으면 true.



163
164
165
166
167
 
# File 'lib/ticketing/broker.rb', line 163

def release
  return false if take_released!

  @broker.release_loop(@conn, @key)
end

#to_s ⇒ Object 



176
 
# File 'lib/ticketing/broker.rb', line 176

def to_s = "Ticket(key=#{@key}, token=#{@token})"