Module: ArCache::Marshal

Included in:
Table
Defined in:
lib/ar_cache/marshal.rb

Instance Method Summary collapse

Instance Method Details

#delete(*ids) ⇒ Object 



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# File 'lib/ar_cache/marshal.rb', line 8

def delete(*ids)
  return -1 if disabled?

  ArCache.delete_multi(ids.map { |id| primary_cache_key(id) })
end

#read(where_clause, select_values = nil, &block) ⇒ Object

rubocop:disable Metrics/CyclomaticComplexity, Metrics/MethodLength



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# File 'lib/ar_cache/marshal.rb', line 36

def read(where_clause, select_values = nil, &block) # rubocop:disable Metrics/CyclomaticComplexity, Metrics/MethodLength
  entries_hash = ArCache.read_multi(*where_clause.cache_hash.keys, raw: true)
  where_clause.cache_hash.each_key do |k|
    v = entries_hash[k]

    case v
    when nil
      where_clause.add_missed_values(k)
    when ArCache::PLACEHOLDER
      where_clause.add_missed_values(k)
      where_clause.add_blank_primary_cache_key(k)
      entries_hash.delete(k)
    else
      entries_hash[k] = load_attributes(v)
    end
  end

  records = []

  entries_hash.each do |k, entry|
    wrong_key = detect_wrong_column(entry, where_clause.to_h)

    if wrong_key
      where_clause.add_missed_values(k)
      where_clause.add_invalid_second_cache_key(k) if column_indexes.include?(wrong_key)
    else
      entry = entry.slice(*select_values) if select_values
      records << instantiate(where_clause.klass, entry, &block)
    end
  end

  where_clause.delete_invalid_keys
  records
end

#write(records) ⇒ Object

rubocop:disable Metrics/PerceivedComplexity, Metrics/CyclomaticComplexity



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# File 'lib/ar_cache/marshal.rb', line 14

def write(records) # rubocop:disable Metrics/PerceivedComplexity, Metrics/CyclomaticComplexity
  return -1 if disabled?

  records.each do |attributes|
    key = primary_cache_key(attributes[primary_key])
    stringify_attributes = dump_attributes(attributes)
    bool = ArCache.write(key, stringify_attributes, unless_exist: cache_lock?, raw: true, expires_in: expires_in)
    if cache_lock? && !bool
      value = ArCache.read(key, raw: true)
      next if value == ArCache::PLACEHOLDER
      next ArCache.lock_key(key) if value != stringify_attributes
    end

    unique_indexes.each_with_index do |index, i|
      # The first index is primary key, should skip it.
      ArCache.write(cache_key(attributes, index), key, raw: true, expires_in: expires_in) unless i.zero?
    end
  end
rescue Encoding::UndefinedConversionError
  0
end