Class: Smith::Workflow::PreparedStepExecutionScope

Inherits:
Object
  • Object
show all
Defined in:
lib/smith/workflow/prepared_step_execution_scope.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ PreparedStepExecutionScope

Returns a new instance of PreparedStepExecutionScope.



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# File 'lib/smith/workflow/prepared_step_execution_scope.rb', line 8

def initialize
  @mutex = Mutex.new
  @phase = :issued
  @thread = nil
end

Instance Method Details

#activate!(thread) ⇒ Object 



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# File 'lib/smith/workflow/prepared_step_execution_scope.rb', line 14

def activate!(thread)
  @mutex.synchronize do
    raise WorkflowError, "prepared-step execution scope is no longer available" unless @phase == :issued

    @phase = :active
    @thread = thread
  end
end

#active_for?(thread) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/smith/workflow/prepared_step_execution_scope.rb', line 34

def active_for?(thread)
  @mutex.synchronize { @phase == :active && @thread.equal?(thread) }
end

#binding_accessible_for?(thread) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/smith/workflow/prepared_step_execution_scope.rb', line 38

def binding_accessible_for?(thread)
  @mutex.synchronize do
    @phase == :issued || (@phase == :active && @thread.equal?(thread))
  end
end

#close!(thread = nil) ⇒ Object 



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# File 'lib/smith/workflow/prepared_step_execution_scope.rb', line 23

def close!(thread = nil)
  @mutex.synchronize do
    if @phase == :active && thread && !@thread.equal?(thread)
      raise WorkflowError, "prepared-step execution scope belongs to another thread"
    end

    @phase = :closed
    @thread = nil
  end
end