Sha256: d28b2242918230c90fdcdd7771825d9f180df3172e060eef9669ce6d1e5b2269
Contents?: true
Size: 1.43 KB
Versions: 13
Compression:
Stored size: 1.43 KB
Contents
require 'rubygems'
require 'fileutils'
require 'logger'
require 'jiji/util/file_lock'
module JIJI
module Migration
#==サーバー起動時にデータ移行を行うクラス。
class Migrator
#データを移行する。
def migrate
logger = server_logger
begin
data_version = version
new_version = data_version
tmp = nil
@migrators.sort_by {|item| item[:version] }.each {|d|
tmp = d[:version]
if ( data_version < d[:version] )
d[:migrator].migrate(registry)
new_version = d[:version]
logger.info "data migration succesful! new_version=#{new_version.to_s}."
end
}
rescue Exception
logger.error "data migration failed. current=#{data_version.to_s} new_version=#{tmp.to_s}"
logger.error $!
ensure
FileLock.new( version_file ).writelock {|f| f << new_version.to_s }
end
end
# 現在のデータバージョンを取得する。
def version
version_str = File.exist?(version_file) ?
FileLock.new( version_file ).readlock {|f| f.read } : "1.0.0"
return Gem::Version.new( version_str )
end
attr :migrators, true
attr :server_logger, true
attr :version_file, true
attr :registry, true
end
end
end
Version data entries
13 entries across 13 versions & 2 rubygems