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#--
# Copyright (c) 2005-2013, John Mettraux, jmettraux@gmail.com
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
# Made in Japan.
#++
require 'rufus-json/automatic'
require 'rufus-cloche'
require 'ruote/storage/base'
module Ruote
#
# A basic FS-bound ruote storage. Leverages rufus-cloche
# (http://github.com/jmettraux/rufus-cloche).
#
# Warning : for JRuby 1.4.0 on Ubuntu, passing the cloche_nolock option set
# to true seems necessary.
# See http://groups.google.com/group/openwferu-users/t/d82516ed3bdd8f23
#
class FsStorage
include StorageBase
# Creates a FsStorage pointing to the given dir.
#
# The options are classical engine configuration, but the 'cloche_nolock'
# option is read by the storage and followed.
#
def initialize(dir, options={})
if dir.is_a?(Hash) && options == {}
options = dir
dir = options.delete('dir')
end
FileUtils.mkdir_p(dir)
@cloche = Rufus::Cloche.new(
:dir => dir, :nolock => options['cloche_nolock'])
replace_engine_configuration(options)
end
def dir
@cloche.dir
end
def put(doc, opts={})
doc = doc.send(
opts[:update_rev] ? 'merge!' : 'merge',
'put_at' => Ruote.now_to_utc_s)
@cloche.put(doc, opts)
end
def get(type, key)
@cloche.get(type, key)
end
def delete(doc)
@cloche.delete(doc)
end
def get_many(type, key=nil, opts={})
keys = key ? Array(key) : nil
keys = keys.map { |k|
type == 'schedules' ? /!#{k}-\d+$/ : "!#{k}"
} if keys && keys.first.is_a?(String)
@cloche.get_many(type, keys, opts)
end
def ids(type)
@cloche.ids(type)
end
# Purges the storage completely.
#
def purge!
FileUtils.rm_rf(@cloche.dir)
end
# No need for that here (FsStorage can add types on the fly).
#
def add_type(type)
end
def purge_type!(type)
@cloche.purge_type!(type)
end
# Shuts this storage down.
#
def shutdown
# nothing to do
end
end
end