Class: MagicShelf::ExecutionPipe

Inherits:
Object
  • Object
show all
Defined in:
lib/magicshelf/executionpipe.rb

Defined Under Namespace

Classes: Procedure

Instance Method Summary collapse

Constructor Details

#initializeExecutionPipe

Returns a new instance of ExecutionPipe.



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# File 'lib/magicshelf/executionpipe.rb', line 16

def initialize
  @procedures = []
end

Instance Method Details

#enter(**map_params, &block) ⇒ Object



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# File 'lib/magicshelf/executionpipe.rb', line 29

def enter(**map_params, &block)
  procedure = Procedure.new()
  procedure.proc_withblock = block
  procedure.map_params = map_params
  @procedures.push(procedure)
  self
end

#executeObject



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# File 'lib/magicshelf/executionpipe.rb', line 45

def execute
  self.execute_(0)
end

#execute_(i_proc) ⇒ Object



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# File 'lib/magicshelf/executionpipe.rb', line 49

def execute_(i_proc)
  procedure = @procedures[i_proc]
  previous_procedure = @procedures[i_proc-1]

  if procedure.nil?
    return
  end

  if not procedure.command_obj.nil?
    if not previous_procedure.nil?
      if not previous_procedure.command_obj.nil?
        procedure.map_params.each_pair do |param_key_recv, param_keys|
          param_keys.each do |param_key|
            procedure.command_obj.instance_variable_set('@'+param_key.to_s, previous_procedure.command_obj.instance_variable_get('@'+param_key_recv.to_s))
          end
        end
      else
        procedure.map_params.each_pair do |param_key_recv, param_keys|
          param_keys.each do |param_key|
            procedure.command_obj.instance_variable_set('@'+param_key.to_s, previous_procedure.params[param_key_recv])
          end
        end
      end
    end
    procedure.command_obj.enter {
      procedure.command_obj.process
      self.execute_(i_proc+1)
    }
  elsif not procedure.proc.nil? or not procedure.proc_withblock.nil?

    procedure.params = {}
    if not previous_procedure.command_obj.nil?
      procedure.map_params.each_pair do |param_key_recv, param_keys|
        param_keys.each do |param_key|
          procedure.params[param_key] = previous_procedure.command_obj.instance_variable_get('@'+param_key_recv.to_s)
        end
      end
    else
      procedure.map_params.each_pair do |param_key_recv, param_keys|
        param_keys.each do |param_key|
          procedure.params[param_key] = previous_procedure.params[param_key_recv]
        end
      end
    end

    if not procedure.proc.nil?
      procedure.proc.call(procedure.params)
      self.execute_(i_proc+1)
    else
      procedure.proc_withblock.call(procedure.params) do
        self.execute_(i_proc+1)
      end
    end
  end
end

#pipe(command_obj, **map_params, &block) ⇒ Object



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# File 'lib/magicshelf/executionpipe.rb', line 20

def pipe(command_obj, **map_params, &block)
  procedure = Procedure.new()
  block.call(command_obj)
  procedure.command_obj = command_obj
  procedure.map_params = map_params
  @procedures.push(procedure)
  self
end

#process(**map_params, &block) ⇒ Object



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# File 'lib/magicshelf/executionpipe.rb', line 37

def process(**map_params, &block)
  procedure = Procedure.new()
  procedure.proc = block
  procedure.map_params = map_params
  @procedures.push(procedure)
  self
end