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Contents
module Picky
module Backends
class Redis
module DirectlyManipulable
attr_accessor :backend, :key
def self.make backend, list, key
list.extend DirectlyManipulable
list.backend = backend
list.key = key
end
# THINK Current implementation is very brittle.
#
@@append_index = 0
def << value
super
zadd value, @@append_index+=1
end
# THINK Current implementation is very brittle.
#
@@unshift_index = 0
def unshift value
super
zadd value, @@unshift_index -= 1
end
# Deletes the value.
#
def delete value
result = super value
backend.client.zrem "#{backend.namespace}:#{key}", value if result
result
end
# Z-Adds a value with the given index.
#
def zadd value, index
backend.client.zadd "#{backend.namespace}:#{key}", index, value
backend[key]
end
end
end
end
end
Version data entries
21 entries across 21 versions & 1 rubygems