Class: Hypertube::Core::ReferenceCache::ReferencesCache

Inherits:
Object
  • Object
show all
Defined in:
lib/hypertube-ruby-sdk/core/reference_cache/references_cache.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ ReferencesCache

Returns a new instance of ReferencesCache.



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# File 'lib/hypertube-ruby-sdk/core/reference_cache/references_cache.rb', line 12

def initialize
  @references_cache = {}
end

Class Method Details

.instance ⇒ Object 



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# File 'lib/hypertube-ruby-sdk/core/reference_cache/references_cache.rb', line 8

def self.instance
  @instance ||= new
end

Instance Method Details

#cache_reference(object_reference) ⇒ Object 



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# File 'lib/hypertube-ruby-sdk/core/reference_cache/references_cache.rb', line 16

def cache_reference(object_reference)
  uuid_ = generate_uuid
  @references_cache[uuid_] = object_reference
  uuid_
end

#delete_reference(guid) ⇒ Object 



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# File 'lib/hypertube-ruby-sdk/core/reference_cache/references_cache.rb', line 30

def delete_reference(guid)
  return false if guid.nil?

  if @references_cache.key?(guid)
    @references_cache.delete(guid)
    true
  else
    false
  end
end

#generate_uuid ⇒ Object 



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# File 'lib/hypertube-ruby-sdk/core/reference_cache/references_cache.rb', line 41

def generate_uuid
  [8, 4, 4, 4, 12].map { |n| rand(16**n).to_s(16).rjust(n, '0') }.join('-')
end

#resolve_reference(guid) ⇒ Object 



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# File 'lib/hypertube-ruby-sdk/core/reference_cache/references_cache.rb', line 22

def resolve_reference(guid)
  if @references_cache[guid].nil?
    raise "Unable to resolve reference with id: #{guid}"
  else
    @references_cache[guid]
  end
end