Class: LanGrove::Root::Base

Inherits:
Object
  • Object
show all
Defined in:
lib/langrove/root/root_base.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(config, logger, config_instance = nil) ⇒ Base

Returns a new instance of Base.



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# File 'lib/langrove/root/root_base.rb', line 117

def initialize( config, logger, config_instance = nil )
  
  @config = config_instance.nil? ? 

    LanGrove::Config::Base.new( self, config, logger ) :

    config_instance

  @config.instance_variable_set( :@logger, logger )

  #
  # Behaviours are configured to run at 
  # key points in the Daemon life cycle.
  # 
  # eg.
  #  
  #   call[:server][:stop] << [ behaviour, parameters ]
  # 
  # will result in...
  # 
  #   behaviour.call( @server, parameters )
  # 
  # 
  
  @call = { 
 
    :server   => {
      :start         => [],
      :stop          => [],
      :reload        => []
    },
    
    :handler  => {
      :start         => [],
      :stop          => [],
      :reload        => [],
      :connect       => [],
      :after_connect => [],
      :disconnect    => [],
      :after_disconnect                => [],
      :receive       => [],
      :after_receive => [],
      :first_message => [],
      :error         => [],
      # why no after error?
      :store         => [],
      :after_store   => [],
      :fetch         => [],
      :after_fetch   => [],
      :notify        => [],
      # why no after notify?
      :enqueue       => [],
      :after_enqueue => [],
      :request       => [],
      :after_request => []
      
    },
    
    :multiplexer => {
      :start         => [],
      :stop          => []
    }
  }
  
  
  @fingerprint = {
    
    :host_name => 'Later...',
    
    :serial => 'Absolute Uniqueness',
  
    :provisioned_at => 'Later...',
    
    :provisioned_by => 'Later...',
    
    :alert_queue => 'Later...'
    
  }
  
  @running_config = {
    
    :original_source => 'config.core.net',
    
    :update_interval => 'Later...',
    
    :code_version => 'Later...',
    
    :config_version => 'Later...',
    
    :local_daemons => {
      
      :local_daemon_name_1 => {
        
        :code_version => 'version',
        
        :config_version => 'version'
      
      },
      
      :local_daemon_name_2  => {
        
        :code_version => 'version',
        
        :config_version => 'version'
      
      },
      :local_daemon_name_3 => {
        
        :code_version => 'version',
        
        :config_version => 'version'
      
      }
    }
  }
  
  @logger = logger
  
  #
  # LAter...
  #
  @alerter = LanGrove::Alerter::Base.new
  @metrix  = LanGrove::Metrix::Base.new( self )
  
end

Instance Attribute Details

#alerter ⇒ Object

Returns the value of attribute alerter.



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# File 'lib/langrove/root/root_base.rb', line 62

def alerter
  @alerter
end

#config ⇒ Object

Returns the value of attribute config.



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# File 'lib/langrove/root/root_base.rb', line 65

def config
  @config
end

#logger ⇒ Object

Returns the value of attribute logger.



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# File 'lib/langrove/root/root_base.rb', line 64

def logger
  @logger
end

#metrix ⇒ Object

Returns the value of attribute metrix.



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# File 'lib/langrove/root/root_base.rb', line 63

def metrix
  @metrix
end

Instance Method Details

#schedule(at, at_config, behaviour) ⇒ Object

Raises:



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# File 'lib/langrove/root/root_base.rb', line 87

def schedule( at, at_config, behaviour )
  
  receiver, event = at.to_s.split( '_', 2 )
    
  raise LanGrove::DaemonConfigException.new(

   "#{behaviour.class} cannot bind to non existant event #{at}"

  ) unless (
  
    @call.has_key?( receiver.to_sym ) and
    @call[ receiver.to_sym ].has_key?( event.to_sym )
  
  )
  
  #
  # Multiple behaviours can be assiged to each event.
  # 
  # At triggertime they will be called in the sequence
  # they were assigned.
  #

  @call[ receiver.to_sym ][ event.to_sym ] << [
    
    behaviour, at_config
    
  ]
  
end

#trigger(recipient, recipient_type, event) ⇒ Object 



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# File 'lib/langrove/root/root_base.rb', line 67

def trigger( recipient, recipient_type, event )
  
  @logger.debug "TRIGGER #{recipient} #{recipient_type} #{event}"
  
  
  #
  #  @metrix.notify( recipient, recipient_type, event )
  #
  
  @call[ recipient_type ][ event ].each do | callback |
    
    behaviour = callback[0]
    parameter = callback[1]
    
    behaviour.call( recipient, recipient_type, parameter )
    
  end
  
end