76 lines
1.3 KiB
Ruby
76 lines
1.3 KiB
Ruby
|
require 'anemone/storage/exceptions'
|
||
|
|
|
||
|
|
module Anemone
|
||
|
|
module Storage
|
||
|
|
class Base
|
||
|
|
|
||
|
|
def initialize(adapter)
|
||
|
|
@adap = adapter
|
||
|
|
|
||
|
|
# verify adapter conforms to this class's methods
|
||
|
|
methods.each do |method|
|
||
|
|
if !@adap.respond_to?(method.to_sym)
|
||
|
|
raise "Storage adapter must support method #{method}"
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|
||
|
|
def [](key)
|
||
|
|
@adap[key]
|
||
|
|
rescue
|
||
|
|
puts key
|
||
|
|
raise RetrievalError, $!
|
||
|
|
end
|
||
|
|
|
||
|
|
def []=(key, value)
|
||
|
|
@adap[key] = value
|
||
|
|
rescue
|
||
|
|
raise InsertionError, $!
|
||
|
|
end
|
||
|
|
|
||
|
|
def delete(key)
|
||
|
|
@adap.delete(key)
|
||
|
|
rescue
|
||
|
|
raise DeletionError, $!
|
||
|
|
end
|
||
|
|
|
||
|
|
def each
|
||
|
|
@adap.each { |k, v| yield k, v }
|
||
|
|
rescue
|
||
|
|
raise GenericError, $!
|
||
|
|
end
|
||
|
|
|
||
|
|
def merge!(hash)
|
||
|
|
@adap.merge!(hash)
|
||
|
|
rescue
|
||
|
|
raise GenericError, $!
|
||
|
|
end
|
||
|
|
|
||
|
|
def close
|
||
|
|
@adap.close
|
||
|
|
rescue
|
||
|
|
raise CloseError, $!
|
||
|
|
end
|
||
|
|
|
||
|
|
def size
|
||
|
|
@adap.size
|
||
|
|
rescue
|
||
|
|
raise GenericError, $!
|
||
|
|
end
|
||
|
|
|
||
|
|
def keys
|
||
|
|
@adap.keys
|
||
|
|
rescue
|
||
|
|
raise GenericError, $!
|
||
|
|
end
|
||
|
|
|
||
|
|
def has_key?(key)
|
||
|
|
@adap.has_key?(key)
|
||
|
|
rescue
|
||
|
|
raise GenericError, $!
|
||
|
|
end
|
||
|
|
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|