module BELParser::Resource::EagerReader

Constants

CACHE_KEYS
EMPTY_ARRAY

Public Instance Methods

load_threads() click to toggle source
# File lib/bel_parser/resource/eager_reader.rb, line 18
def load_threads
  @load_threads ||= Concurrent::Hash.new
end
load_values(identifier) click to toggle source
# File lib/bel_parser/resource/eager_reader.rb, line 22
def load_values(identifier)
  lock = locks[identifier] ||= Mutex.new
  if identifier.include?('taxonomy')
    puts "load_all_values, try lock..."
      end
  if lock.try_lock
    load_threads[identifier] = Thread.new do
      value_hash = {
        :name       => {},
        :identifier => {},
        :title      => {},
        :synonyms   => {}
      }
      retrieve_values_from_resource(identifier).each do |concept|
        value_hash[:name][concept.name]             = concept
        value_hash[:identifier][concept.identifier] = concept
        value_hash[:title][concept.title]           = concept
        concept.synonyms.each do |synonym|
          value_hash[:synonyms][synonym] = concept
        end
      end
      resources[identifier] = value_hash
      lock.unlock
    end
  end
end
locks() click to toggle source
# File lib/bel_parser/resource/eager_reader.rb, line 14
def locks
  @locks ||= Concurrent::Hash.new
end
resources() click to toggle source
# File lib/bel_parser/resource/eager_reader.rb, line 10
def resources
  @resources ||= Concurrent::Hash.new
end
retrieve_resource(resource_identifier) click to toggle source
# File lib/bel_parser/resource/eager_reader.rb, line 49
def retrieve_resource(resource_identifier)
  if !resources.key?(resource_identifier)
    load_all_values(resource_identifier)
  end
end
retrieve_value_from_resource(resource_identifier, value) click to toggle source
# File lib/bel_parser/resource/eager_reader.rb, line 55
def retrieve_value_from_resource(resource_identifier, value)
  if !resources.key?(resource_identifier)
    load_all_values(resource_identifier)
    if load_threads.key?(resource_identifier)
      load_thread = load_threads[resource_identifier]
      load_thread.join unless load_thread == Thread.current
    end
  end

  concepts = resources[resource_identifier]
  return nil unless concepts
  CACHE_KEYS.each do |key|
    cached_concept = concepts[key].fetch(value, nil)
    return cached_concept if cached_concept
  end
  nil
end
retrieve_values_from_resource(resource_identifier) click to toggle source
# File lib/bel_parser/resource/eager_reader.rb, line 73
def retrieve_values_from_resource(resource_identifier)
  if !resources.key?(resource_identifier)
    load_all_values(resource_identifier)
    if load_threads.key?(resource_identifier)
      load_thread = load_threads[resource_identifier]
      load_thread.join unless load_thread == Thread.current
    end
  end

  concepts = resources[resource_identifier]
  return nil unless concepts
  concepts[:name].values
end