Sha256: 459e155b6614c40028c428ecd1538bbab0b38ef461f37c61299714479a9b7b93
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Versions: 20
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Stored size: 1.06 KB
Contents
class FnordMetric::Gauge
include FnordMetric::GaugeCalculations
def initialize(opts)
opts.fetch(:key) && opts.fetch(:key_prefix)
@opts = opts
end
def tick
(@opts[:tick] || 3600).to_i
end
def tick_at(time)
(time/tick.to_f).floor*tick
end
def name
@opts[:key]
end
def title
@opts[:title] || name
end
def key(_append=nil)
[@opts[:key_prefix], "gauge", name, tick, _append].flatten.compact.join("-")
end
def tick_key(_time, _append=nil)
key([(progressive? ? :progressive : tick_at(_time).to_s), _append])
end
def two_dimensional?
!@opts[:three_dimensional]
end
def three_dimensional?
!!@opts[:three_dimensional]
end
def progressive?
!!@opts[:progressive]
end
def unique?
!!@opts[:unique]
end
def average?
!!@opts[:average]
end
def add_redis(_redis)
@opts[:redis] = _redis
end
def ticks_in(r)
(((r.last-r.first)/tick.to_f).ceil+1).times.map{ |n| tick_at(r.first + tick*(n-1)) }
end
def values_in(range)
values_at(ticks_in(range))
end
end
Version data entries
20 entries across 20 versions & 1 rubygems