Class: Swarm::Process

Inherits:
HiveDweller show all
Defined in:
lib/swarm/process.rb

Instance Attribute Summary

Attributes inherited from HiveDweller

#hive, #id

Instance Method Summary collapse

Methods inherited from HiveDweller

#==, all, #attributes, #change_attribute, #changed?, create, #delete, each, fetch, ids, inherited, #initialize, many_to_one, #new?, new_from_storage, #reload!, #save, #set_attributes, set_columns, #storage, #storage_id, storage_id_for_key, storage_type, #to_hash

Constructor Details

This class inherits a constructor from Swarm::HiveDweller

Instance Method Details

#_launch ⇒ Object 



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# File 'lib/swarm/process.rb', line 18

def _launch
  root_expression = SequenceExpression.create(
    :hive => hive,
    :parent_id => id,
    :position => [0],
    :workitem => workitem,
    :process_id => id
  )
  root_expression.apply
  self.root_expression_id = root_expression.id
  save
end

#finished? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/swarm/process.rb', line 40

def finished?
  root_expression && root_expression.replied?
end

#launch ⇒ Object 



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# File 'lib/swarm/process.rb', line 13

def launch
  hive.queue('launch', self)
  self
end

#move_on_from(expression) ⇒ Object 



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# File 'lib/swarm/process.rb', line 49

def move_on_from(expression)
  self.workitem = expression.workitem
  save
  if parent_expression
    parent_expression.move_on_from(self)
  end
end

#node_at_position(position) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/swarm/process.rb', line 44

def node_at_position(position)
  raise ArgumentError unless position == 0
  process_definition.tree
end

#root_expression ⇒ Object 



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# File 'lib/swarm/process.rb', line 31

def root_expression
  @root_expression ||= begin
    reload! unless root_expression_id
    if root_expression_id
      Expression.fetch(root_expression_id, hive: hive)
    end
  end
end

#wait_until_finished(timeout: 5) ⇒ Object 



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# File 'lib/swarm/process.rb', line 9

def wait_until_finished(timeout: 5)
  Swarm::Support.wait_until(timeout: timeout) { finished? }
end