Class: Faraday::Adapter::EMHttp::Manager

Inherits:
Object
  • Object
show all
Defined in:
lib/faraday/adapter/em_http.rb

Overview

The parallel manager is designed to start an EventMachine loop and block until all registered requests have been completed.

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Manager

Returns a new instance of Manager.



150
151
152
 
# File 'lib/faraday/adapter/em_http.rb', line 150

def initialize
  reset
end

Instance Method Details

#add ⇒ Object 



164
165
166
167
168
169
170
171
 
# File 'lib/faraday/adapter/em_http.rb', line 164

def add
  if running?
    perform_request { yield }
  else
    @registered_procs << Proc.new
  end
  @num_registered += 1
end

#check_finished ⇒ Object 



195
196
197
198
199
 
# File 'lib/faraday/adapter/em_http.rb', line 195

def check_finished
  if @num_succeeded + @errors.size == @num_registered
    EventMachine.stop
  end
end

#perform_request ⇒ Object 



189
190
191
192
193
 
# File 'lib/faraday/adapter/em_http.rb', line 189

def perform_request
  client = yield
  client.callback { @num_succeeded += 1; check_finished }
  client.errback { @errors << client.error; check_finished }
end

#reset ⇒ Object 



154
155
156
157
158
159
160
 
# File 'lib/faraday/adapter/em_http.rb', line 154

def reset
  @registered_procs = []
  @num_registered = 0
  @num_succeeded = 0
  @errors = []
  @running = false
end

#run ⇒ Object 



173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
 
# File 'lib/faraday/adapter/em_http.rb', line 173

def run
  if @num_registered > 0
    @running = true
    EventMachine.run do
      @registered_procs.each do |proc|
        perform_request(&proc)
      end
    end
    if @errors.size > 0
      raise Faraday::Error::ClientError, @errors.first || "connection failed"
    end
  end
ensure
  reset
end

#running? ⇒ Boolean

Returns:

  • (Boolean) 


162
 
# File 'lib/faraday/adapter/em_http.rb', line 162

def running?() @running end