Class: Fairy::CHere

Inherits:
CIOFilter show all
Defined in:
lib/fairy/master/c-here.rb

Direct Known Subclasses

COutputLocalFile

Instance Attribute Summary

Attributes inherited from CIOFilter

#input

Attributes included from CInputtable

#input

Instance Method Summary collapse

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_import, #create_node, #create_nodes, #def_job_pool_variable, #each_assigned_filter, #each_export_by, #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?

Instance Method Details

#create_and_add_node(ntask, mapper, opts = {}) ⇒ Object 



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# File 'lib/fairy/master/c-here.rb', line 20

def create_and_add_node(ntask, mapper, opts={})
  node = create_node(ntask) {|node|
	if opts[:init_njob]
	  opts[:init_njob].call(node)
	end
	mapper.bind_input(node)
#	exp = node.start_export
  }
  node
end

#each(&block) ⇒ Object 



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# File 'lib/fairy/master/c-here.rb', line 31

def each(&block)
  policy = @opts[:prequeuing_policy]
  each_node do |node|
	node.start_export
	import = Import.new(policy)
	import.set_log_callback do |n, key| 
	  Log::verbose(self, "IMPORT POP key=#{key}: #{n}")
	end
	import.no_import = 1
	node.export.output = import
	import.each do |e|
	  block.call e
	end
  end
end

#each_buf(&block) ⇒ Object 



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# File 'lib/fairy/master/c-here.rb', line 48

def each_buf(&block)
  threshold = @opts[:pool_threshold]  || CONF.HERE_POOL_THRESHOLD
  chunk = []

  policy = @opts[:prequeuing_policy]
  each_node do |node|
	node.start_export
	import = Import.new(policy)
	import.set_log_callback do |n, key| 
	  Log::verbose(self, "IMPORT POP key=#{key}: #{n}")
	end
	import.no_import = 1
	node.export.output = import

	import.each do |e|
	  #[REQ#89]

	  chunk.push e
	  if chunk.size > threshold
 block.call chunk
 chunk.clear
	  end
	end
  end
  if !chunk.empty?
	block.call chunk
  end
end

#node_class_name ⇒ Object 



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# File 'lib/fairy/master/c-here.rb', line 16

def node_class_name
  "PHere"
end