Class: OAISchedules::Manager

Inherits:
Object
  • Object
show all
Defined in:
lib/oai_schedules/manager.rb

Defined Under Namespace

Modules: EventHarvesting, StateHarvesting Classes: IntervalTooSmall

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(path_dir_schedules: nil, path_dir_state: nil, f_digest: nil) ⇒ Manager

Returns a new instance of Manager.



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# File 'lib/oai_schedules/manager.rb', line 133

def initialize(path_dir_schedules: nil, path_dir_state: nil, f_digest: nil)
  @logger = Logger.new(STDOUT)
  @path_dir_state = path_dir_state
  @schedules = {}
  @path_dir_schedules = path_dir_schedules
  @listener_dir_schedules = nil
  unless path_dir_schedules.nil?
    set_listener_dir_schedules(path_dir_schedules)
  end
  @f_digest = f_digest
end

Instance Attribute Details

#path_dir_state ⇒ Object

Returns the value of attribute path_dir_state.



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# File 'lib/oai_schedules/manager.rb', line 131

def path_dir_state
  @path_dir_state
end

Instance Method Details

#add_schedule(name, content) ⇒ Object 



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# File 'lib/oai_schedules/manager.rb', line 189

def add_schedule(name, content)
  # read state file if existing
  path_file_state = get_path_state_file_from_schedule_name(name)
  state = {}
  if File.file?(path_file_state)
    state = read_state_file(path_file_state)
  else
    init_schedule_state(state)
    write_state_file(path_file_state, state)
  end
  # create task
  task = Concurrent::TimerTask.new(run_now: false) {
    logic(
      name,
      @schedules[name][:content],
      @schedules[name][:state_machine],
      @schedules[name][:state]
    )
  }
  task.add_observer(TaskObserver.new(@logger, name))
  # add item to schedules
  @schedules[name] = {
    content: deep_copy(content),
    task: task,
    state_machine: StateMachineHarvesting.new,
    state: state
  }
  # configure task parameters
  handle_schedule_task(name)
end

#listener_dir_schedules_running? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/oai_schedules/manager.rb', line 185

def listener_dir_schedules_running?
  @listener_dir_schedules.processing?
end

#modify_schedule(name, content) ⇒ Object 



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# File 'lib/oai_schedules/manager.rb', line 229

def modify_schedule(name, content)
  handle_schedule_state_at_schedule_change(name, content)
  @schedules[name][:content] = deep_copy(content)
  handle_schedule_task(name)
end

#remove_schedule(name) ⇒ Object 



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# File 'lib/oai_schedules/manager.rb', line 222

def remove_schedule(name)
  @schedules[name][:task].shutdown
  @schedules[name].delete(name)
end

#run_listener_dir_schedules(block: true) ⇒ Object 



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# File 'lib/oai_schedules/manager.rb', line 168

def run_listener_dir_schedules(block: true)
  if !@listener_dir_schedules.nil?
    @logger.info("running listener in #{@path_dir_schedules}...")
    @listener_dir_schedules.start
    if block then sleep end
  else
    @logger.warn("no listening provided")
  end
end

#set_listener_dir_schedules(path_dir_schedules) ⇒ Object 



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# File 'lib/oai_schedules/manager.rb', line 146

def set_listener_dir_schedules(path_dir_schedules)
  @path_dir_schedules = path_dir_schedules
  paths_files_in_dir_schedules = get_all_files_in_dir(@path_dir_schedules)
  @logger.info("schedules found in #{@path_dir_schedules}:")
  @logger.info(paths_files_in_dir_schedules)
  paths_files_in_dir_schedules.each do |fp|
    handle_file_added(fp)
  end
  @listener_dir_schedules = Listen.to(@path_dir_schedules, only: /\.json$/) do |modified, added, removed|
    modified.each do |fp|
      handle_file_modified(fp)
    end
    added.each do |fp|
      handle_file_added(fp)
    end
    removed.each do |fp|
      handle_file_removed(fp)
    end
  end
end

#stop_listener_dir_schedules ⇒ Object 



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# File 'lib/oai_schedules/manager.rb', line 179

def stop_listener_dir_schedules()
  @logger.info("stopping listener in #{@path_dir_schedules}...")
  @listener_dir_schedules.stop
end