Class: LS4::MemoryUpdateLog

Inherits:
UpdateLogService show all
Defined in:
lib/ls4/service/ulog_memory.rb

Instance Method Summary collapse

Methods inherited from UpdateLogService

#shutdown

Methods inherited from Service

init

Methods included from EventBus::SingletonMixin

#ebus_bind!, #ebus_connect, extended

Methods included from EventBus::BusMixin

#ebus_all_slots, #ebus_disconnect!

Methods included from EventBus::DeclarerBase::Methods

#connect, #ebus_all_slots, #ebus_call_log, #ebus_call_slots, #ebus_signal_error, #ebus_signal_log, #ebus_signal_slots

Methods included from EventBus::DeclarerBase

#call_slot, #signal_slot

Instance Method Details

#append(data, &block) ⇒ Object 



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# File 'lib/ls4/service/ulog_memory.rb', line 32

def append(data, &block)
  @array.push(data)
  begin
    block.call
  rescue
    @array.pop
    raise
  end
end

#close ⇒ Object 



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# File 'lib/ls4/service/ulog_memory.rb', line 28

def close
  @array.clear
end

#get(pos) ⇒ Object 



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# File 'lib/ls4/service/ulog_memory.rb', line 42

def get(pos)
  data = @array[pos]
  if data
    return nil, pos
  else
    return data, pos+1
  end
end

#open(expr) ⇒ Object 



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# File 'lib/ls4/service/ulog_memory.rb', line 24

def open(expr)
  @array = []
end