Module: Fluent::PluginHelper::EventEmitter

Defined in:
lib/fluent/plugin_helper/event_emitter.rb

Instance Method Summary collapse

Instance Method Details

#after_shutdown ⇒ Object 



77
78
79
80
 
# File 'lib/fluent/plugin_helper/event_emitter.rb', line 77

def after_shutdown
  @router = nil
  super
end

#close ⇒ Object

unset router many times to reduce test cost



82
83
84
85
 
# File 'lib/fluent/plugin_helper/event_emitter.rb', line 82

def close # unset router many times to reduce test cost
  @router = nil
  super
end

#configure(conf) ⇒ Object 



71
72
73
74
75
 
# File 'lib/fluent/plugin_helper/event_emitter.rb', line 71

def configure(conf)
  require 'fluent/engine'
  super
  @router = event_emitter_router(conf['@label'])
end

#event_emitter_router(label_name) ⇒ Object 



48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
 
# File 'lib/fluent/plugin_helper/event_emitter.rb', line 48

def event_emitter_router(label_name)
  if label_name
    Engine.root_agent.find_label(label_name).event_router
  elsif self.respond_to?(:as_secondary) && self.as_secondary
    if @primary_instance.has_router?
      @_event_emitter_lazy_init = true
      nil # primary plugin's event router is not initialized yet, here.
    else
      @primary_instance.context_router
    end
  else
    # `Engine.root_agent.event_router` is for testing
    self.context_router || Engine.root_agent.event_router
  end
end

#event_emitter_used_actually? ⇒ Boolean

Returns:

  • (Boolean) 


44
45
46
 
# File 'lib/fluent/plugin_helper/event_emitter.rb', line 44

def event_emitter_used_actually?
  @_event_emitter_used_actually
end

#has_router? ⇒ Boolean

Returns:

  • (Boolean) 


40
41
42
 
# File 'lib/fluent/plugin_helper/event_emitter.rb', line 40

def has_router?
  true
end

#initialize ⇒ Object 



64
65
66
67
68
69
 
# File 'lib/fluent/plugin_helper/event_emitter.rb', line 64

def initialize
  super
  @_event_emitter_used_actually = false
  @_event_emitter_lazy_init = false
  @router = nil
end

#router ⇒ Object

stop : [-] shutdown : disable @router close : [-] terminate: [-]



27
28
29
30
31
32
33
 
# File 'lib/fluent/plugin_helper/event_emitter.rb', line 27

def router
  @_event_emitter_used_actually = true
  if @_event_emitter_lazy_init
    @router = @primary_instance.router
  end
  @router
end

#router=(r) ⇒ Object 



35
36
37
38
 
# File 'lib/fluent/plugin_helper/event_emitter.rb', line 35

def router=(r)
  # not recommended now...
  @router = r
end

#terminate ⇒ Object 



87
88
89
90
 
# File 'lib/fluent/plugin_helper/event_emitter.rb', line 87

def terminate
  @router = nil
  super
end