Class: Observed::Context

Inherits:
Object
  • Object
show all
Defined in:
lib/observed/context.rb

Overview

The run context of an Observed system. It can be initialized via parameters to automatically configure the system and everything needed such as the config builder, the DSL, the logger, etc.

Instance Method Summary collapse

Constructor Details

#initialize(args = {}) ⇒ Context

Returns a new instance of Context.



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# File 'lib/observed/context.rb', line 15

def initialize(args={})
  configure args
end

Instance Method Details

#config_builder ⇒ Object 



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# File 'lib/observed/context.rb', line 64

def config_builder
  @config_builder ||= Observed::ConfigBuilder.new(system: system, logger: logger, context: self)
end

#config_dsl ⇒ Object 



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# File 'lib/observed/context.rb', line 68

def config_dsl
  Observed::ConfigDSL.new(builder: config_builder, logger: logger)
end

#configure(args) ⇒ Object 



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# File 'lib/observed/context.rb', line 19

def configure(args)
  @logger ||= begin
    logger_out = if args[:log_file]
                   File.open(args[:log_file], 'a')
                 else
                   STDOUT
                 end
    Logger.new(logger_out)
  end

  @executor = args[:executor]

  set_log_level_to_debug(!!args[:debug])

  if args[:config_file]
    load_config_file(args[:config_file])
  end

  self
end

#event_bus ⇒ Object 



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# File 'lib/observed/context.rb', line 52

def event_bus
  @event_bus ||= Observed::EventBus.new(task_factory: task_factory)
end

#executor ⇒ Object 



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# File 'lib/observed/context.rb', line 48

def executor
  @executor ||= Observed::BlockingExecutor.new
end

#logger ⇒ Object 



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# File 'lib/observed/context.rb', line 40

def logger
  @logger
end

#observed_task_factory ⇒ Object 



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# File 'lib/observed/context.rb', line 60

def observed_task_factory
  @observed_task_factory ||= Observed::ObservedTaskFactory.new(task_factory: task_factory)
end

#system ⇒ Object 



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# File 'lib/observed/context.rb', line 44

def system
  @system ||= Observed::System.new(logger: logger, context: self)
end

#task_factory ⇒ Object 



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# File 'lib/observed/context.rb', line 56

def task_factory
  @task_factory ||= Observed::TaskFactory.new(executor: executor)
end