Class: FeatureHub::Sdk::PollingEdgeService

Inherits:
EdgeService
  • Object
show all
Defined in:
lib/feature_hub/sdk/poll_edge_service.rb

Overview

uses a periodic polling mechanism to get updates

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(repository, api_keys, edge_url, interval, logger = nil) ⇒ PollingEdgeService

Returns a new instance of PollingEdgeService.



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# File 'lib/feature_hub/sdk/poll_edge_service.rb', line 15

def initialize(repository, api_keys, edge_url, interval, logger = nil)
  super(repository, api_keys, edge_url)

  @repository = repository
  @api_keys = api_keys
  @edge_url = edge_url
  @interval = interval

  @logger = logger || FeatureHub::Sdk.default_logger

  @task = nil
  @cancel = false
  @context = nil
  @etag = nil
  @stopped = false
  @sha_context = nil

  generate_url
end

Instance Attribute Details

#api_keys ⇒ Object (readonly)

Returns the value of attribute api_keys.



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# File 'lib/feature_hub/sdk/poll_edge_service.rb', line 13

def api_keys
  @api_keys
end

#cancel ⇒ Object (readonly)

Returns the value of attribute cancel.



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# File 'lib/feature_hub/sdk/poll_edge_service.rb', line 13

def cancel
  @cancel
end

#edge_url ⇒ Object (readonly)

Returns the value of attribute edge_url.



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# File 'lib/feature_hub/sdk/poll_edge_service.rb', line 13

def edge_url
  @edge_url
end

#etag ⇒ Object (readonly)

Returns the value of attribute etag.



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# File 'lib/feature_hub/sdk/poll_edge_service.rb', line 13

def etag
  @etag
end

#interval ⇒ Object (readonly)

Returns the value of attribute interval.



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# File 'lib/feature_hub/sdk/poll_edge_service.rb', line 13

def interval
  @interval
end

#repository ⇒ Object (readonly)

Returns the value of attribute repository.



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# File 'lib/feature_hub/sdk/poll_edge_service.rb', line 13

def repository
  @repository
end

#sha_context ⇒ Object (readonly)

Returns the value of attribute sha_context.



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# File 'lib/feature_hub/sdk/poll_edge_service.rb', line 13

def sha_context
  @sha_context
end

#stopped ⇒ Object (readonly)

Returns the value of attribute stopped.



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# File 'lib/feature_hub/sdk/poll_edge_service.rb', line 13

def stopped
  @stopped
end

Instance Method Details

#active ⇒ Object 



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# File 'lib/feature_hub/sdk/poll_edge_service.rb', line 67

def active
  !@task.nil?
end

#close ⇒ Object 



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# File 'lib/feature_hub/sdk/poll_edge_service.rb', line 63

def close
  cancel_task
end

#context_change(new_header) ⇒ Object 



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# File 'lib/feature_hub/sdk/poll_edge_service.rb', line 50

def context_change(new_header)
  return if new_header == @context

  @context = new_header
  @sha_context = Digest::SHA256.hexdigest(@context)

  if active
    get_updates
  else
    poll
  end
end

#poll ⇒ Object

abstract



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# File 'lib/feature_hub/sdk/poll_edge_service.rb', line 36

def poll
  @cancel = false
  poll_with_interval
end

#update_interval(interval) ⇒ Object 



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# File 'lib/feature_hub/sdk/poll_edge_service.rb', line 41

def update_interval(interval)
  @interval = interval
  if @task.nil?
    poll
  else
    @task.execution_interval = interval
  end
end