37 lines
932 B
Ruby
37 lines
932 B
Ruby
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require_relative './memory'
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require_relative './redis'
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module DataRepository
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module Backend
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class Detector
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def initialize(backend_or_connection=nil)
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@backend_or_connection = backend_or_connection
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end #initialize
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def detect
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# TYPE CHECKING OMG!! SEND THE CRAFTSMANSHIPTROOPERS!!
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return backend_or_connection if is_backend?
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return Backend::Redis.new(backend_or_connection) if is_redis?
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return default_backend
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end #detect
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private
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attr_reader :backend_or_connection
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def default_backend
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Backend::Memory.new
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end #default_backend
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def is_backend?
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!!(backend_or_connection.class.name =~ /^DataRepository::Backend/)
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end #is_backend?
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def is_redis?
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backend_or_connection.respond_to? :zremrangebyscore
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end #is_redis?
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end # Detector
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end # Backend
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end # DataRepository
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