Class: DopCommon::PlanCache

Inherits:
Object
  • Object
show all
Defined in:
lib/dop_common/plan_cache.rb

Instance Method Summary collapse

Constructor Details

#initialize(plan_store) ⇒ PlanCache

Returns a new instance of PlanCache.



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# File 'lib/dop_common/plan_cache.rb', line 5

def initialize(plan_store)
  @plan_store = plan_store
  @plans = {}    # { plan_name => plan    }
  @versions = {} # { plan      => version }
  @nodes = {}    # { node_name => plan    }
end

Instance Method Details

#plan_by_node(node_name) ⇒ Object

will return the plan of the node or nil if the node is not in a plan



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# File 'lib/dop_common/plan_cache.rb', line 14

def plan_by_node(node_name)
  plan = @nodes[node_name]
  if plan
    refresh_plan(plan)
    # this makes sure the node was not removed
    plan = @nodes[node_name]
    return plan if plan
  end

  refresh_all
  return @nodes[node_name]
end