class Cosmos::AggregatePacketProcesser
Encapsulates the transformation of an aggregate packet into many simple packets
Public Class Methods
new(mapper, transforms = {})
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# File lib/cosmos/unpacking_interface/aggregate_packet_processor.rb, line 8 def initialize(mapper, transforms = {}) @mapper = mapper @transforms = transforms end
Public Instance Methods
_extract_map(map, target, item)
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Extract our internal BaseNameMap
into an array of packets of type target/item, applying transformations if applicable
# File lib/cosmos/unpacking_interface/aggregate_packet_processor.rb, line 23 def _extract_map(map, target, item) map.extract_all.each_with_index.map do |m, i| keys = m.keys pkt = System.telemetry.packet(target, item).clone keys.reduce(pkt) do |p, key| value = m[key] transform_key = [target, item, key].join("-") if @transforms[transform_key] p.write(key, @transforms[transform_key].call(target, item, key, value, i)) else p.write(key, value) end p end end end
unpack(packet, target, item)
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Converts the aggregate packet into an array of simple packets.
# File lib/cosmos/unpacking_interface/aggregate_packet_processor.rb, line 15 def unpack(packet, target, item) values_map = @mapper.build_map(packet) # _extract_map(values_map, target, item) end