Sha256: 9924042f8f2848cdaad392ed4d575487aafc24b79489f02340501cd57d45c286
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Contents
# encoding: utf-8
require "logstash/instrument/metric"
module LogStash module Instrument
# This class is used in the context when we disable the metric collection
# for specific plugin to replace the `NamespacedMetric` class with this one
# which doesn't produce any metric to the collector.
class NullMetric
attr_reader :namespace_name, :collector
def increment(key, value = 1)
end
def decrement(namespace, key, value = 1)
end
def gauge(key, value)
end
def report_time(key, duration)
end
# We have to manually redefine this method since it can return an
# object this object also has to be implemented as a NullObject
def time(key)
if block_given?
yield
else
NullTimedExecution
end
end
def namespace(key)
self.class.new
end
private
# Null implementation of the internal timer class
#
# @see LogStash::Instrument::TimedExecution`
class NullTimedExecution
def self.stop
end
end
end
end; end
Version data entries
17 entries across 17 versions & 1 rubygems