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Contents
# encoding: ascii-8bit
# Copyright 2014 Ball Aerospace & Technologies Corp.
# All Rights Reserved.
#
# This program is free software; you can modify and/or redistribute it
# under the terms of the GNU General Public License
# as published by the Free Software Foundation; version 3 with
# attribution addendums as found in the LICENSE.txt
require 'cosmos/processors/processor'
module Cosmos
class WatermarkProcessor < Processor
# @param item_name [String] The name of the item to gather statistics on
# @param value_type #See Processor::initialize
def initialize(item_name, value_type = :CONVERTED)
super(value_type)
@item_name = item_name.to_s.upcase
reset()
end
# Run watermarks on the item
#
# See Processor#call
def call(packet, buffer)
value = packet.read(@item_name, @value_type, buffer)
high_water = @results[:HIGH_WATER]
@results[:HIGH_WATER] = value if !high_water or value > high_water
low_water = @results[:LOW_WATER]
@results[:LOW_WATER] = value if !low_water or value < low_water
end
# Reset any state
def reset
@results[:HIGH_WATER] = nil
@results[:LOW_WATER] = nil
end
end # class WatermarkProcessor
end # module Cosmos
Version data entries
21 entries across 21 versions & 1 rubygems