guice-jruby-example.rb

require 'java'
require 'wealthfront-backend-fatjar'

class EMR::Monitor::InjectorModule < com.google.inject.AbstractModule
  def configure
    options = com.kaching.platform.guice.ApplicationOptions.new
    options.configuration = "/path/to/config/configuration.properties"
    options.loadConfigurationFromFile = true
    install(com.kaching.platform.guice.CommonModule.new(options))
    install(build_service_module(options))
  end

  def build_service_module(options)
    builder = com.kaching.platform.guice.ServiceModuleBuilder.new(options)
    builder.announceAs(
      com.kaching.platform.guice.KachingServices::EMRM.java_class
    )
    builder.build
  end
end

module EMR::Monitor
  class << self; attr_accessor :injector; end
end

EMR::Monitor.injector = com.google.inject.Guice.createInjector(
  [EMR::Monitor::InjectorModule.new]
)

EMR::Monitor.injector.getInstance(
  com.kaching.platform.zk.ZkLifecycle.java_class
).start

announcement = EMR::Monitor.injector.getInstance(
  com.kaching.platform.discovery.LocalAnnouncement.java_class
)

announcement.setStatus(org.fishwife.jrugged.Status::UP)
announcement.announce