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Contents
# frozen_string_literal: true
# Copyright 2019 OpenTelemetry Authors
#
# SPDX-License-Identifier: Apache-2.0
module OpenTelemetry
module Metrics
# In situations where performance is a requirement and a metric is
# repeatedly used with the same labels, the developer may elect to
# use instrument {Handles} as an optimization. For handles to be a benefit,
# it requires that a specific instrument will be re-used with specific
# labels. If an instrument will be used with the same labels more than
# once, obtaining an instrument handle corresponding to the labels
# ensures the highest performance available.
#
# To obtain a handle given an instrument and labels, use the #handle
# method to return an interface that supports the #add or #record
# method of the instrument in question.
#
# Instrument handles may consume SDK resources indefinitely.
module Handles
# A float counter handle.
class FloatCounter
def add(value); end
end
# An integer counter handle.
class IntegerCounter
def add(value); end
end
# A float measure handle.
class FloatMeasure
def record(value); end
end
# An integer measure handle.
class IntegerMeasure
def record(value); end
end
end
end
end
Version data entries
9 entries across 9 versions & 1 rubygems