first commit

LICENSE

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+Copyright (c) 2009 YOUR NAME
+
+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.

Rakefile

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+require 'rubygems' unless ENV['NO_RUBYGEMS']
+require 'rake/gempackagetask'
+require 'rubygems/specification'
+require 'date'
+require 'spec/rake/spectask'
+
+spec = Gem::Specification.new do |s|
+  s.name = "retry-handler"
+  s.version = "0.0.1"
+  s.author = "Takumi KIMOTO"
+  s.email = "peerler@gmail.com"
+  s.homepage = "http://twitter.com/lurker_"
+  s.description = s.summary = "retry handler"
+
+  s.platform = Gem::Platform::RUBY
+  s.has_rdoc = true
+  s.extra_rdoc_files = ["README", "LICENSE", 'TODO']
+  s.summary = "retry handler"
+
+  # Uncomment this to add a dependency
+  # s.add_dependency "foo"
+
+  s.require_path = 'lib'
+  s.autorequire = 'lib/retry-handler.rb'
+  s.files = %w(LICENSE README Rakefile TODO) + Dir.glob("{lib,spec}/**/*")
+end
+
+task :default => :spec
+
+desc "Run specs"
+Spec::Rake::SpecTask.new do |t|
+  t.spec_files = FileList['spec/**/*_spec.rb']
+  t.spec_opts = %w(-fs --color)
+end
+
+
+Rake::GemPackageTask.new(spec) do |pkg|
+  pkg.gem_spec = spec
+end
+
+desc "install the gem locally"
+task :install => [:package] do
+  sh %{sudo gem install pkg/#{GEM}-#{GEM_VERSION}}
+end
+
+desc "create a gemspec file"
+task :make_spec do
+  File.open("#{GEM}.gemspec", "w") do |file|
+    file.puts spec.to_ruby
+  end
+end

TODO

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+TODO:
+Fix LICENSE with your name
+Fix Rakefile with your name and contact info
+Add your code to lib/<%= name %>.rb

lib/retry-handler.rb

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+require 'timeout'
+require 'logger'
+
+class RetryError < StandardError; end
+class RetryOverError < RetryError; end
+
+module RetryHandler
+  DEFAULT_MAX_RETRY = 3
+  DEFAULT_WAIT_TIME = 1
+  INFINITY_EXECUTE = nil
+
+  def self.retry_handler(options={}, &block)
+    max = options[:max] || DEFAULT_MAX_RETRY
+    wait = options[:wait] || DEFAULT_WAIT_TIME
+    timeout = options[:timeout] || INFINITY_EXECUTE
+    exception = options[:accept_exception] || RetryError 
+    logger = options[:logger] || Logger.new(nil)
+
+    _retry_handler(max, wait, exception, logger) do
+      timeout(timeout, RetryError) do
+        block.call
+      end
+    end
+  end
+
+  private
+  def self._retry_handler(max_retry, wait_time, accept_exception, logger, &block)
+    retry_cnt = 0 
+
+    begin
+      block.call
+    rescue accept_exception => ex
+      logger.error ex
+
+      if retry_cnt >= max_retry
+        logger.info "retry over error: #{max_retry}"
+        raise RetryOverError.new, ex
+      else
+        retry_cnt += 1
+        logger.info "retry:#{retry_cnt}"
+        logger.info "wait #{wait_time} sec"
+        sleep wait_time
+        retry
+      end
+    end
+  end
+end
+
+class Proc
+  def retry(options={})
+    RetryHandler.retry_handler(options){
+      self.call
+    }
+  end
+end
+
+module Kernel
+  def retry_handler(options={}, &block)
+    block.retry(options) if block_given?
+  end
+end
+

script/destroy

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+#!/usr/bin/env ruby
+APP_ROOT = File.expand_path(File.join(File.dirname(__FILE__), '..'))
+
+begin
+  require 'rubigen'
+rescue LoadError
+  require 'rubygems'
+  require 'rubigen'
+end
+require 'rubigen/scripts/destroy'
+
+ARGV.shift if ['--help', '-h'].include?(ARGV[0])
+RubiGen::Base.use_component_sources! [:newgem_simple, :test_unit]
+RubiGen::Scripts::Destroy.new.run(ARGV)

script/generate

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+#!/usr/bin/env ruby
+APP_ROOT = File.expand_path(File.join(File.dirname(__FILE__), '..'))
+
+begin
+  require 'rubigen'
+rescue LoadError
+  require 'rubygems'
+  require 'rubigen'
+end
+require 'rubigen/scripts/generate'
+
+ARGV.shift if ['--help', '-h'].include?(ARGV[0])
+RubiGen::Base.use_component_sources! [:newgem_simple, :test_unit]
+RubiGen::Scripts::Generate.new.run(ARGV)

spec/retry-handler_spec.rb

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+require File.dirname(__FILE__) + '/spec_helper'
+
+describe "retry-handler" do
+  it "should do nothing" do
+    true.should == true
+  end
+end

spec/spec_helper.rb

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+$TESTING=true
+$:.push File.join(File.dirname(__FILE__), '..', 'lib')