Class: SimplerWorkflow::Domain

Inherits:
Object
  • Object
show all
Defined in:
lib/simpler_workflow/domain.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(domain_name, retention_period = 2, &block) ⇒ Domain

Returns a new instance of Domain.



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# File 'lib/simpler_workflow/domain.rb', line 3

def initialize(domain_name, retention_period = 2, &block)
  domain_name = domain_name.to_s
  @domain = swf.domains[domain_name]
  unless @domain.exists?
    @domain = swf.domains.create(domain_name, retention_period) rescue @domain
  end

  self.instance_eval(&block) if block_given?
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(meth_name, *args) ⇒ Object 



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# File 'lib/simpler_workflow/domain.rb', line 86

def method_missing(meth_name, *args)
  if domain.respond_to?(meth_name.to_sym)
    domain.send(meth_name.to_sym, *args)
  else
    super
  end
end

Class Method Details

.[](domain_name) ⇒ Object 



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# File 'lib/simpler_workflow/domain.rb', line 20

def Domain.[](domain_name)
  Domain.domains(domain_name.to_sym)
end

.domains(domain_name, retention_period = 2, &block) ⇒ Object 



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# File 'lib/simpler_workflow/domain.rb', line 13

def Domain.domains(domain_name, retention_period = 2, &block)
  @domains ||= {}
  @domains[domain_name] ||= Domain.new(domain_name, retention_period)
  @domains[domain_name].instance_eval(&block) if block_given?
  @domains[domain_name]
end

.for(domain) ⇒ Object 



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# File 'lib/simpler_workflow/domain.rb', line 24

def Domain.for(domain)
  case domain
  when String, Symbol
    Domain[domain]
  when Domain
    domain
  when AWS::SimpleWorkflow::Domain
    Domain[domain.name]
  end
end

Instance Method Details

#activities ⇒ Object 



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# File 'lib/simpler_workflow/domain.rb', line 61

def activities
  Activity
end

#activity_types ⇒ Object 



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# File 'lib/simpler_workflow/domain.rb', line 65

def activity_types
  domain.activity_types
end

#register_activity(name, version = nil, &block) ⇒ Object 



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# File 'lib/simpler_workflow/domain.rb', line 69

def register_activity(name, version = nil, &block)
  logger.info("Registering Activity[#{name},#{version}]")
  activity = activities[self, name, version]

  activity.instance_eval(&block) if block

  activity.persist_attributes

  begin
    self.domain.activity_types.register(name.to_s, version, activity.options)
  rescue ::AWS::SimpleWorkflow::Errors::TypeAlreadyExistsFault
    SimplerWorkflow.logger.info("Activity[#{name}, #{version}] already registered with SWF.")
  end

  activity
end

#register_workflow(name, version, &block) ⇒ Object 



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# File 'lib/simpler_workflow/domain.rb', line 35

def register_workflow(name, version, &block)
  unless workflow = Workflow[name, version]
    workflow = Workflow.new(self, name, version)

    workflow.instance_eval(&block) if block_given?

    begin
      self.domain.workflow_types.register(name, version, workflow.options)
    rescue ::AWS::SimpleWorkflow::Errors::TypeAlreadyExistsFault
      # Instance already registered...
    end
  end

  workflow
end

#start_workflow(name, version, input) ⇒ Object 



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# File 'lib/simpler_workflow/domain.rb', line 55

def start_workflow(name, version, input)
  logger.info("Starting workflow[#{name},#{version}]")
  workflow = Workflow[name, version] || Workflow.new(self, name, version)
  workflow.start_workflow(input)
end

#workflows ⇒ Object 



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# File 'lib/simpler_workflow/domain.rb', line 51

def workflows
  Workflow
end