Class: RedisRing::Client::Sharder

Inherits:
Object
  • Object
show all
Defined in:
lib/redis_ring/client/sharder.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(metadata) ⇒ Sharder

Returns a new instance of Sharder.



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# File 'lib/redis_ring/client/sharder.rb', line 8

def initialize(metadata)
  @metadata = metadata
end

Instance Attribute Details

#metadata ⇒ Object (readonly)

Returns the value of attribute metadata.



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# File 'lib/redis_ring/client/sharder.rb', line 6

def metadata
  @metadata
end

Instance Method Details

#shard_for_key(key) ⇒ Object 



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# File 'lib/redis_ring/client/sharder.rb', line 12

def shard_for_key(key)
  crc = Zlib.crc32(hashable_part(key.to_s))
  return crc % metadata.ring_size
end