Class: Upkeep::Subscriptions::ActiveRegistry

Inherits:
Object
  • Object
show all
Defined in:
lib/upkeep/subscriptions/active_registry.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ ActiveRegistry

Returns a new instance of ActiveRegistry.



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# File 'lib/upkeep/subscriptions/active_registry.rb', line 9

def initialize
  @mutex = Mutex.new
  @subscriptions = {}
  @reverse_index = ReverseIndex.new
end

Instance Method Details

#count ⇒ Object 



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# File 'lib/upkeep/subscriptions/active_registry.rb', line 75

def count
  @mutex.synchronize { @subscriptions.size }
end

#covers?(persistent_count) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/upkeep/subscriptions/active_registry.rb', line 71

def covers?(persistent_count)
  count >= persistent_count
end

#entries_for(changes) ⇒ Object 



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# File 'lib/upkeep/subscriptions/active_registry.rb', line 60

def entries_for(changes)
  @mutex.synchronize { @reverse_index.entries_for(changes) }
end

#fetch(id) ⇒ Object 



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# File 'lib/upkeep/subscriptions/active_registry.rb', line 26

def fetch(id)
  @mutex.synchronize { @subscriptions[id] }
end

#register(subscription, entries: nil) ⇒ Object 



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# File 'lib/upkeep/subscriptions/active_registry.rb', line 15

def register(subscription, entries: nil)
  @mutex.synchronize do
    @subscriptions[subscription.id] = subscription
    if entries
      @reverse_index.index_entries(entries, subscription: subscription)
    else
      @reverse_index.index(subscription)
    end
  end
end

#reset ⇒ Object 



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# File 'lib/upkeep/subscriptions/active_registry.rb', line 64

def reset
  @mutex.synchronize do
    @subscriptions = {}
    @reverse_index = ReverseIndex.new
  end
end

#subscriptions ⇒ Object 



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# File 'lib/upkeep/subscriptions/active_registry.rb', line 30

def subscriptions
  @mutex.synchronize { @subscriptions.values }
end

#summary ⇒ Object 



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# File 'lib/upkeep/subscriptions/active_registry.rb', line 79

def summary
  @mutex.synchronize do
    @reverse_index.summary.merge(subscriptions: @subscriptions.size)
  end
end

#touch(id, metadata:) ⇒ Object 



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# File 'lib/upkeep/subscriptions/active_registry.rb', line 45

def touch(id, metadata:)
  @mutex.synchronize do
    subscription = @subscriptions[id]
    return unless subscription

    @subscriptions[id] = Subscription.new(
      subscription.id,
      subscription.subscriber_id,
      subscription.recorder,
      subscription.graph,
      subscription.metadata.merge(metadata)
    )
  end
end

#unregister(ids) ⇒ Object 



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# File 'lib/upkeep/subscriptions/active_registry.rb', line 34

def unregister(ids)
  ids = Array(ids)
  @mutex.synchronize do
    ids.each do |id|
      next unless @subscriptions.delete(id)

      @reverse_index.delete_subscription(id)
    end
  end
end