Class: NWRFC::FunctionCall

Inherits:
DataContainer show all
Includes:
DataContainer
Defined in:
lib/nwrfc.old.rb,
lib/nwrfc.rb

Overview

Represents a callable instance of a function module, using a function module description obtained previously. Can be obtained by passing either a function description or calling Function#get_function_call

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(function_description) ⇒ FunctionCall

Returns a new instance of FunctionCall.



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# File 'lib/nwrfc.rb', line 328

def initialize(function)
  @error = NWRFCLib::RFCError.new
  @function = function
  @connection = function.connection
  @handle = NWRFCLib.create_function(@function.desc, @error.to_ptr)
  @desc = function.desc
  NWRFC.check_error(@error)
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(method_sym, *args, &block) ⇒ Object 



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# File 'lib/nwrfc.old.rb', line 309

def method_missing(method_sym, *args, &block)
  param_name = method_sym.to_s.upcase
#      fpar = NWRFCLib::RFCFuncParam.new
#      rc = NWRFCLib.get_parameter_desc_by_name(@function_description, param_name.cU, fpar.to_ptr, @error.to_ptr)
#      NWRFC.check_error(@error) if rc > 0
  if param_name[-1..-1] == "="
    self[:param_name] = *args[0]
  else
    self[:param_name]
  end
end

Instance Attribute Details

#connection ⇒ Object (readonly)

Returns the value of attribute connection.



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# File 'lib/nwrfc.rb', line 326

def connection
  @connection
end

#desc ⇒ Object (readonly)

Returns the value of attribute desc.



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# File 'lib/nwrfc.rb', line 326

def desc
  @desc
end

#function ⇒ Object (readonly)

Returns the value of attribute function.



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# File 'lib/nwrfc.rb', line 326

def function
  @function
end

#function_description ⇒ Object (readonly)

Returns the value of attribute function_description.



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# File 'lib/nwrfc.old.rb', line 292

def function_description
  @function_description
end

#handle ⇒ Object (readonly)

Returns the value of attribute handle.



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# File 'lib/nwrfc.rb', line 326

def handle
  @handle
end

Instance Method Details

#invoke ⇒ Object

Execute the function call on the SAP server



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# File 'lib/nwrfc.old.rb', line 304

def invoke
  rc = NWRFCLib.invoke(@connection.handle, @handle, @error.to_ptr)
  NWRFC.check_error(@error) if rc > 0
end