Contents

module Trinidad
  module Lifecycle
    class Host
      include Trinidad::Tomcat::LifecycleListener

      attr_reader :contexts

      def initialize(*contexts)
        @contexts = contexts
      end

      def lifecycleEvent(event)
        host = event.lifecycle
        case event.type
        when Trinidad::Tomcat::Lifecycle::BEFORE_START_EVENT
          init_monitors
        when Trinidad::Tomcat::Lifecycle::PERIODIC_EVENT
          check_monitors
        end
      end

      def init_monitors
        @contexts.each do |c|
          monitor = c[:monitor]
          opts = File.exist?(monitor) ? 'r' : 'w+'

          unless File.exist?(dir = File.dirname(monitor))
            Dir.mkdir dir
          end
          file = File.new(monitor, opts)
          c[:mtime] = file.mtime
        end
      end

      def check_monitors
        @contexts.each do |c|
          # double check monitor, capistrano removes it temporarily
          sleep(0.5) unless File.exist?(c[:monitor])
          next unless File.exist?(c[:monitor])

          if (mtime = File.mtime(c[:monitor])) > c[:mtime]
            c[:mtime] = mtime
            c[:context].reload
          end
        end
      end
    end
  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
trinidad-1.1.1	lib/trinidad/lifecycle/lifecycle_listener_host.rb
trinidad-1.1.0	lib/trinidad/lifecycle/lifecycle_listener_host.rb