Class: TrinidadScheduler::WebAppListener

Inherits:
Object
  • Object
show all
Defined in:
lib/trinidad_scheduler_extension/scheduler_listener.rb

Instance Method Summary collapse

Constructor Details

#initialize(servlet_context, options) ⇒ WebAppListener

Returns a new instance of WebAppListener.



5
6
7
8
9
10
11
12
13
 
# File 'lib/trinidad_scheduler_extension/scheduler_listener.rb', line 5

def initialize(servlet_context, options)
  @servlet_context = servlet_context
  # $servlet_context is set by jruby-rack.
  # If the sheduler jobs are loaded before the web app has been loaded they fail to initialize because $servlet_context is nil.
  # We prevent this to happen here.
  $servlet_context ||= servlet_context
  @options = options         
  TrinidadScheduler.store_scheduler_options(@servlet_context, @options)
end

Instance Method Details

#is_started? ⇒ Boolean

Returns:

  • (Boolean) 


19
20
21
 
# File 'lib/trinidad_scheduler_extension/scheduler_listener.rb', line 19

def is_started?
  TrinidadScheduler.scheduler_exists?(@servlet_context) && TrinidadScheduler[@servlet_context].is_started
end

#lifecycle_event(event) ⇒ Object 



23
24
25
26
27
28
29
30
31
32
33
34
35
 
# File 'lib/trinidad_scheduler_extension/scheduler_listener.rb', line 23

def lifecycle_event(event)
  case event.type
  when org.apache.catalina.Lifecycle::START_EVENT then
    if needs_started?
      TrinidadScheduler[@servlet_context].start
      TrinidadScheduler[@servlet_context].resume_all
    end
    
    TrinidadScheduler.set_servlet_started(@servlet_context)
  when org.apache.catalina.Lifecycle::STOP_EVENT then
    TrinidadScheduler[@servlet_context].shutdown if is_started?
  end
end

#needs_started? ⇒ Boolean

Returns:

  • (Boolean) 


15
16
17
 
# File 'lib/trinidad_scheduler_extension/scheduler_listener.rb', line 15

def needs_started?
  TrinidadScheduler.scheduler_exists?(@servlet_context) && !TrinidadScheduler[@servlet_context].is_started
end