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Contents
# encoding: utf-8
require 'eventmachine'
require 'mysql2'
module Mysql2
module EM
class Client < ::Mysql2::Client
module Watcher
def initialize(client, deferable)
@client = client
@deferable = deferable
@is_watching = true
end
def notify_readable
detach
begin
result = @client.async_result
rescue => e
@deferable.fail(e)
else
@deferable.succeed(result)
end
end
def watching?
@is_watching
end
def unbind
@is_watching = false
end
end
def close(*args)
@watch.detach if @watch && @watch.watching?
super(*args)
end
def query(sql, opts = {})
if ::EM.reactor_running?
super(sql, opts.merge(:async => true))
deferable = ::EM::DefaultDeferrable.new
@watch = ::EM.watch(socket, Watcher, self, deferable)
@watch.notify_readable = true
deferable
else
super(sql, opts)
end
end
end
end
end
Version data entries
41 entries across 41 versions & 2 rubygems