Class: Dynflow::ExecutionPlan::Steps::Abstract

Inherits:
Serializable
  • Object
show all
Includes:
Algebrick::TypeCheck, Stateful
Defined in:
lib/dynflow/execution_plan/steps/abstract.rb

Direct Known Subclasses

AbstractFlowStep, PlanStep

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Stateful

included, #set_state, #state_transitions, #states

Methods inherited from Serializable

constantize, from_hash

Constructor Details

#initialize(execution_plan_id, id, state, action_class, action_id, error, world, started_at = nil, ended_at = nil, execution_time = 0.0, real_time = 0.0, progress_done = nil, progress_weight = nil) ⇒ Abstract

Returns a new instance of Abstract.



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# File 'lib/dynflow/execution_plan/steps/abstract.rb', line 11

def initialize(execution_plan_id,
    id,
    state,
    action_class,
    action_id,
    error,
    world,
    started_at = nil,
    ended_at = nil,
    execution_time = 0.0,
    real_time = 0.0,
    progress_done = nil,
    progress_weight = nil)

  @id                = id || raise(ArgumentError, 'missing id')
  @execution_plan_id = Type! execution_plan_id, String
  @world             = Type! world, World
  @error             = Type! error, ExecutionPlan::Steps::Error, NilClass
  @started_at        = Type! started_at, Time, NilClass
  @ended_at          = Type! ended_at, Time, NilClass
  @execution_time    = Type! execution_time, Numeric
  @real_time         = Type! real_time, Numeric

  @progress_done     = Type! progress_done, Numeric, NilClass
  @progress_weight   = Type! progress_weight, Numeric, NilClass

  self.state = state.to_sym

  Child! action_class, Action
  @action_class = action_class

  @action_id = action_id || raise(ArgumentError, 'missing action_id')
end

Instance Attribute Details

#action_classObject (readonly)

Returns the value of attribute action_class.



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# File 'lib/dynflow/execution_plan/steps/abstract.rb', line 7

def action_class
  @action_class
end

#action_idObject (readonly)

Returns the value of attribute action_id.



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# File 'lib/dynflow/execution_plan/steps/abstract.rb', line 7

def action_id
  @action_id
end

#ended_atObject (readonly)

Returns the value of attribute ended_at.



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# File 'lib/dynflow/execution_plan/steps/abstract.rb', line 7

def ended_at
  @ended_at
end

#errorObject

Returns the value of attribute error.



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# File 'lib/dynflow/execution_plan/steps/abstract.rb', line 9

def error
  @error
end

#execution_plan_idObject (readonly)

Returns the value of attribute execution_plan_id.



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# File 'lib/dynflow/execution_plan/steps/abstract.rb', line 7

def execution_plan_id
  @execution_plan_id
end

#execution_timeObject (readonly)

Returns the value of attribute execution_time.



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# File 'lib/dynflow/execution_plan/steps/abstract.rb', line 7

def execution_time
  @execution_time
end

#idObject (readonly)

Returns the value of attribute id.



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# File 'lib/dynflow/execution_plan/steps/abstract.rb', line 7

def id
  @id
end

#progress_weightObject



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# File 'lib/dynflow/execution_plan/steps/abstract.rb', line 107

def progress_weight
  @progress_weight || 0 # 0 means not calculated yet
end

#real_timeObject (readonly)

Returns the value of attribute real_time.



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# File 'lib/dynflow/execution_plan/steps/abstract.rb', line 7

def real_time
  @real_time
end

#started_atObject (readonly)

Returns the value of attribute started_at.



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# File 'lib/dynflow/execution_plan/steps/abstract.rb', line 7

def started_at
  @started_at
end

#stateObject (readonly)

Returns the value of attribute state.



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# File 'lib/dynflow/execution_plan/steps/abstract.rb', line 7

def state
  @state
end

#worldObject (readonly)

Returns the value of attribute world.



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# File 'lib/dynflow/execution_plan/steps/abstract.rb', line 7

def world
  @world
end

Class Method Details

.statesObject



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# File 'lib/dynflow/execution_plan/steps/abstract.rb', line 65

def self.states
  @states ||= [:pending, :running, :success, :suspended, :skipping, :skipped, :error]
end

Instance Method Details

#action(execution_plan) ⇒ Action

details, human outputs, etc.

Returns:

  • (Action)

    in presentation mode, intended for retrieving: progress information,



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# File 'lib/dynflow/execution_plan/steps/abstract.rb', line 115

def action(execution_plan)
  attributes = world.persistence.adapter.load_action(execution_plan_id, action_id)
  Action.from_hash(attributes.update(phase: Action::Present, execution_plan: execution_plan), world)
end

#action_loggerObject



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# File 'lib/dynflow/execution_plan/steps/abstract.rb', line 45

def action_logger
  @world.action_logger
end

#cancellable?Boolean

Returns:

  • (Boolean)


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# File 'lib/dynflow/execution_plan/steps/abstract.rb', line 124

def cancellable?
  false
end

#default_progress_doneObject

in specific states it’s clear what progress the step is in



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# File 'lib/dynflow/execution_plan/steps/abstract.rb', line 98

def default_progress_done
  case self.state
  when :success, :skipped
    1
  when :pending
    0
  end
end

#execute(*args) ⇒ Object

Raises:

  • (NotImplementedError)


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# File 'lib/dynflow/execution_plan/steps/abstract.rb', line 69

def execute(*args)
  raise NotImplementedError
end

#mark_to_skipObject

Raises:

  • (NotImplementedError)


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# File 'lib/dynflow/execution_plan/steps/abstract.rb', line 53

def mark_to_skip
  raise NotImplementedError
end

#persistenceObject



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# File 'lib/dynflow/execution_plan/steps/abstract.rb', line 57

def persistence
  world.persistence
end

#phaseObject

Raises:

  • (NotImplementedError)


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# File 'lib/dynflow/execution_plan/steps/abstract.rb', line 49

def phase
  raise NotImplementedError
end

#progress_doneObject



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# File 'lib/dynflow/execution_plan/steps/abstract.rb', line 93

def progress_done
  default_progress_done || @progress_done || 0
end

#saveObject



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# File 'lib/dynflow/execution_plan/steps/abstract.rb', line 61

def save
  persistence.save_step(self)
end

#skippable?Boolean

Returns:

  • (Boolean)


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# File 'lib/dynflow/execution_plan/steps/abstract.rb', line 120

def skippable?
  self.state == :error
end

#to_hashObject



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# File 'lib/dynflow/execution_plan/steps/abstract.rb', line 77

def to_hash
  recursive_to_hash execution_plan_id: execution_plan_id,
                    id:                id,
                    state:             state,
                    class:             self.class.to_s,
                    action_class:      action_class.to_s,
                    action_id:         action_id,
                    error:             error,
                    started_at:        time_to_str(started_at),
                    ended_at:          time_to_str(ended_at),
                    execution_time:    execution_time,
                    real_time:         real_time,
                    progress_done:     progress_done,
                    progress_weight:   progress_weight
end

#to_sObject



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# File 'lib/dynflow/execution_plan/steps/abstract.rb', line 73

def to_s
  "#<#{self.class.name}:#{execution_plan_id}:#{id}>"
end