Class: SetInstanceFieldHandler

Inherits:
AbstractCommandHandler show all
Defined in:
lib/javonet-ruby-sdk/core/handler/set_instance_field_handler.rb,
lib/javonet-ruby-sdk/Binaries/Ruby/Linux/X64/core/handler/set_instance_field_handler.rb,
lib/javonet-ruby-sdk/Binaries/Ruby/MacOs/X64/core/handler/set_instance_field_handler.rb,
lib/javonet-ruby-sdk/Binaries/Ruby/Windows/X64/core/handler/set_instance_field_handler.rb

Instance Method Summary collapse

Methods inherited from AbstractCommandHandler

#handle_command, #iterate

Constructor Details

#initialize ⇒ SetInstanceFieldHandler

Returns a new instance of SetInstanceFieldHandler.



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# File 'lib/javonet-ruby-sdk/core/handler/set_instance_field_handler.rb', line 4

def initialize
  @required_parameters_count = 3
end

Instance Method Details

#process(command) ⇒ Object 



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# File 'lib/javonet-ruby-sdk/core/handler/set_instance_field_handler.rb', line 8

def process(command)
  return set_instance_field(command)
end

#set_instance_field(command) ⇒ Object 



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# File 'lib/javonet-ruby-sdk/core/handler/set_instance_field_handler.rb', line 12

def set_instance_field(command)
  begin
    if command.payload.length < @required_parameters_count
      raise ArgumentError.new "Set Instance Field parameters mismatch"
    end

    merged_value = '@' + command.payload[1]
    begin
      command.payload[0].instance_variable_set(merged_value, command.payload[2])
    rescue NameError
      fields = command.payload[0].instance_variables
      message = "Field #{command.payload[1]} not found in class #{command.payload[0].class.name}. Available fields:\n"
      fields.each { |field_iter| message += "#{field_iter} \n" }
      raise Exception, message
    end
  rescue Exception => e
    return e
  end
end