Class: MSG_Chumby::Reading_Cache

Inherits:
Object
  • Object
show all
Defined in:
lib/msg-chumby-daemon/reading-cache.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Reading_Cache

Returns a new instance of Reading_Cache.



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# File 'lib/msg-chumby-daemon/reading-cache.rb', line 5

def initialize
  @last_reading=nil;
  @last_reading_mutex=Mutex.new();
  @last_minute=nil;
  @last_minute_mutex=Mutex.new();
  @last_hour=nil;
  @last_hour_mutex=Mutex.new();
  @last_day=nil;
  @last_day_mutex=Mutex.new();
end

Instance Method Details

#last_day ⇒ Object 



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# File 'lib/msg-chumby-daemon/reading-cache.rb', line 61

def last_day
  retval=nil
  @last_day_mutex.synchronize do
    retval=@last_day
  end
  return retval
end

#last_hour ⇒ Object 



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# File 'lib/msg-chumby-daemon/reading-cache.rb', line 48

def last_hour
  retval=nil
  @last_hour_mutex.synchronize do
    retval=@last_hour
  end
  return retval
end

#last_minute ⇒ Object 



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# File 'lib/msg-chumby-daemon/reading-cache.rb', line 34

def last_minute
  retval=nil
  @last_minute_mutex.synchronize do
    retval=@last_minute
  end
  return retval
end

#last_reading ⇒ Object 



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# File 'lib/msg-chumby-daemon/reading-cache.rb', line 21

def last_reading
  retval=nil
  @last_reading_mutex.synchronize do
    retval=@last_reading
  end
  return retval
end

#update_last_day(readings) ⇒ Object 



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# File 'lib/msg-chumby-daemon/reading-cache.rb', line 55

def update_last_day(readings)
  raise "Please provide an Array instance" if readings.class != Array
  @last_day_mutex.synchronize do
    @last_day=readings
  end
end

#update_last_hour(readings) ⇒ Object 



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# File 'lib/msg-chumby-daemon/reading-cache.rb', line 42

def update_last_hour(readings)
  raise "Please provide an Array instance" if readings.class != Array
  @last_hour_mutex.synchronize do
    @last_hour=readings
  end
end

#update_last_minute(readings) ⇒ Object 



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# File 'lib/msg-chumby-daemon/reading-cache.rb', line 28

def update_last_minute(readings)
  raise "Please provide an Array instance" if readings.class != Array
  @last_minute_mutex.synchronize do
    @last_minute=readings
  end
end

#update_last_reading(reading) ⇒ Object 



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# File 'lib/msg-chumby-daemon/reading-cache.rb', line 15

def update_last_reading(reading)
  raise "Please provide a UTCReading instance" if reading.class != Flukso::UTCReading
  @last_reading_mutex.synchronize do
    @last_reading=reading
  end
end