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Versions: 10
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Stored size: 1.33 KB
Contents
# -*- encoding : utf-8 -*-
module SecondLevelCache
module ActiveRecord
module FetchByUniqKey
def fetch_by_uniq_keys(where_values)
cache_key = cache_uniq_key(where_values)
if _id = SecondLevelCache.cache_store.read(cache_key)
self.find(_id) rescue nil
else
record = self.where(where_values).first
record.tap{|record| SecondLevelCache.cache_store.write(cache_key, record.id)} if record
end
end
def fetch_by_uniq_keys!(where_values)
fetch_by_uniq_keys(where_values) || raise(::ActiveRecord::RecordNotFound)
end
def fetch_by_uniq_key(value, uniq_key_name)
# puts "[Deprecated] will remove in the future, use fetch_by_uniq_keys method instead."
fetch_by_uniq_keys(uniq_key_name => value)
end
def fetch_by_uniq_key!(value, uniq_key_name)
# puts "[Deprecated] will remove in the future, use fetch_by_uniq_keys! method instead."
fetch_by_uniq_key(value, uniq_key_name) || raise(::ActiveRecord::RecordNotFound)
end
private
def cache_uniq_key(where_values)
ext_key = where_values.collect { |k,v|
v = Digest::MD5.hexdigest(v) if v && v.size >= 32
[k,v].join("_")
}.join(",")
"uniq_key_#{self.name}_#{ext_key}"
end
end
end
end
Version data entries
10 entries across 10 versions & 1 rubygems