Parent

Memcache::Base

Attributes

prefix[RW]

Public Instance Methods

add(key, value, expiry = 0, flags = 0) click to toggle source
# File lib/memcache/base.rb, line 32
def add(key, value, expiry = 0, flags = 0)
  return nil if get(key)
  set(key, value, expiry)
end
append(key, value) click to toggle source
# File lib/memcache/base.rb, line 47
def append(key, value)
  existing = get(key)
  return false if existing.nil?
  set(key, existing[:value] + value) && true
end
cas(key, value, cas, expiry = 0, flags = 0) click to toggle source
# File lib/memcache/base.rb, line 37
def cas(key, value, cas, expiry = 0, flags = 0)
  # No cas implementation yet, just do a set for now.
  set(key, value, expiry, flags)
end
clear() click to toggle source
# File lib/memcache/base.rb, line 5
def clear
  flush_all
end
decr(key, amount = 1) click to toggle source
# File lib/memcache/base.rb, line 28
def decr(key, amount = 1)
  incr(key, -amount)
end
gets(keys) click to toggle source

Default implementations based on get and set.

# File lib/memcache/base.rb, line 11
def gets(keys)
  get(keys, true)
end
incr(key, amount = 1) click to toggle source
# File lib/memcache/base.rb, line 15
def incr(key, amount = 1)
  result = get(key)
  return unless result

  value = result[:value]
  return unless value =~ /^\d+$/

  value = value.to_i + amount
  value = 0 if value < 0
  set(key, value.to_s)
  value
end
prepend(key, value) click to toggle source
# File lib/memcache/base.rb, line 53
def prepend(key, value)
  existing = get(key)
  return false if existing.nil?
  set(key, value + existing[:value]) && true
end
replace(key, value, expiry = 0, flags = 0) click to toggle source
# File lib/memcache/base.rb, line 42
def replace(key, value, expiry = 0, flags = 0)
  return nil if get(key).nil?
  set(key, value, expiry)
end

Protected Instance Methods

cache_key(key) click to toggle source
# File lib/memcache/base.rb, line 61
def cache_key(key)
  raise Memcache::Error, "length zero key not permitted" if key.length == 0
  key = "#{prefix}#{key}"
  raise Memcache::Error, "key too long #{key.inspect}" if key.length > 250
  key
end

[Validate]

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