Class: Fairy::CMergeGroupBy

Inherits:
CBasicGroupBy show all
Defined in:
lib/fairy/master/c-merge-group-by.rb

Instance Attribute Summary

Attributes inherited from CIOFilter

#input

Attributes included from CInputtable

#input

Instance Method Summary collapse

Methods inherited from CBasicGroupBy

#all_node_arrived?, #all_node_imported?, #bind_export, #each_assigned_filter, #initialize, #njob_creation_params, #start_create_nodes, #update_exports

Methods inherited from CIOFilter

#node_class, #output=

Methods included from CInputtable

#break_running, #initialize, #inputtable?

Methods inherited from CFilter

#abort_create_node, #add_node, #assgin_number_of_nodes?, #bind_export, #break_create_node, #break_running, #create_and_add_node, #create_import, #create_node, #create_nodes, #def_job_pool_variable, #each_assigned_filter, #each_node, #each_node_exist_only, #handle_exception, #initialize, #input, #job_pool_dict, #job_pool_variable, #njob_creation_params, #nodes, #number_of_nodes, #number_of_nodes=, #pool_dict, #postmapping_policy, #start_create_nodes, #start_export, #start_watch_node_status, #update_status, watch_status, watch_status=, #watch_status?

Constructor Details

This class inherits a constructor from Fairy::CBasicGroupBy

Instance Method Details

#add_exports(key, export, njob) ⇒ Object 



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# File 'lib/fairy/master/c-merge-group-by.rb', line 44

def add_exports(key, export, njob)
  @exports_mutex.synchronize do
	export.no = @no_of_exports
	@no_of_exports += 1
	unless expexp = @exports[key]
	  policy = @opts[:postsuperqueue_queuing_policy]
	  @exports[key] = expexp = Export.new(policy)
	  expexp.no = @exports.size - 1
	  expexp.njob_id = self.class.name
	  expexp.add_key key
	  @exports_queue.push [expexp, njob]
#	  @pre_exports_queue.push [expexp, njob]
	  expexp.output_no_import = 1
	end
	expexp.push_delayed_element {|context|
	  policy = @opts[:subqueue_queuing_policy]
	  imp = context.context_eval(%{Import.new(#{policy.inspect})})
	  imp.no = export.no
	  imp.add_key(key)
	  imp.set_log_callback(%q{|n, key| 
 Log::verbose(self, "IMPORT POP key=#{key}: #{n}")
	  }, nil, __FILE__, __LINE__ - 1)

	  export.output = imp
	  export.output_no_import = 1
	  imp
	}
#	export.start_export
  end
end

#each_export_by(njob, mapper, &block) ⇒ Object 



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# File 'lib/fairy/master/c-merge-group-by.rb', line 20

def each_export_by(njob, mapper, &block)
  @each_export_by_thread_mutex.synchronize do
	return if @each_export_by_thread

	@each_export_by_thread = Thread.start{
	  # すべての njob がそろうまで待つ
	  # 後段が先にスケジュールされてデッドロックするのを避けるため.
	  number_of_nodes

	  begin
 while pair = @exports_queue.pop
   exp, njob = pair
Log::debug(self, "EXPORT_BY, #{exp.key}")
   block.call exp
 end
	  rescue
 Log::fatal_exception
 raise
	  end
	}
  end
end

#node_class_name ⇒ Object 



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# File 'lib/fairy/master/c-merge-group-by.rb', line 16

def node_class_name
  "PMergeGroupBy"
end

#start_watch_all_node_imported ⇒ Object

def start_watch_all_node_imported

Thread.start do

@nodes_status_mutex.synchronize do while !all_node_imported? @nodes_status_cv.wait(@nodes_status_mutex) end end @exports_queue.push nil for key, exports in @exports exports.push :END_OF_STREAM end

  end
  nil
end



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# File 'lib/fairy/master/c-merge-group-by.rb', line 116

def start_watch_all_node_imported
  Thread.start do
	# すべての njob がそろうまで待つ
Log::debug(self, "START_WATCH_ALL_NODE_IMPORTED: S")
	number_of_nodes

Log::debug(self, "START_WATCH_ALL_NODE_IMPORTED: 1")

Log::debug(self, "START_WATCH_ALL_NODE_IMPORTED: 2")
	# すべての exports がそろうまで待つ
	@nodes_status_mutex.synchronize do
	  while !all_node_imported?
 @nodes_status_cv.wait(@nodes_status_mutex)
	  end
	end
	@exports_queue.push nil
	
Log::debug(self, "START_WATCH_ALL_NODE_IMPORTED: 4")
	for key, exports in @exports
	  exports.push :END_OF_STREAM
	end
Log::debug(self, "START_WATCH_ALL_NODE_IMPORTED: E")
  end
  nil
end

#start_watch_all_node_imported_ORG ⇒ Object 



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# File 'lib/fairy/master/c-merge-group-by.rb', line 142

def start_watch_all_node_imported_ORG
  Thread.start do
	# すべての njob がそろうまで待つ
Log::debug(self, "START_WATCH_ALL_NODE_IMPORTED: S")
	number_of_nodes

Log::debug(self, "START_WATCH_ALL_NODE_IMPORTED: 1")
	# すでに存在するexportsを下流に送る
	@exports_mutex.synchronize do
Log::debug(self, "START_WATCH_ALL_NODE_IMPORTED: 1.1")
	  @pre_exports_queue.push nil
	  while pair = @pre_exports_queue.pop
Log::debug(self, "START_WATCH_ALL_NODE_IMPORTED: 1.L")
 @exports_queue.push pair
	  end
Log::debug(self, "START_WATCH_ALL_NODE_IMPORTED: 1.E")
	end

Log::debug(self, "START_WATCH_ALL_NODE_IMPORTED: 2")
	# すべての exports がそろうまで待つ
	@nodes_status_mutex.synchronize do
	  while !all_node_imported?
 @nodes_status_cv.wait(@nodes_status_mutex)
	  end
	end

Log::debug(self, "START_WATCH_ALL_NODE_IMPORTED: 3")
	# 残りのexportsを下流に送る
	@pre_exports_queue.push nil
	while pair = @pre_exports_queue.pop
Log::debug(self, "START_WATCH_ALL_NODE_IMPORTED: 3.L")
	  @exports_queue.push pair
	end
	@exports_queue.push nil
	
Log::debug(self, "START_WATCH_ALL_NODE_IMPORTED: 4")
	for key, exports in @exports
	  exports.push :END_OF_STREAM
	end
Log::debug(self, "START_WATCH_ALL_NODE_IMPORTED: E")
  end
  nil
end