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Versions: 16
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Contents
# encoding: utf-8
require "logstash/instrument/metric"
module LogStash module Instrument
# This class acts a a proxy between the metric library and the user calls.
#
# This is the class that plugins authors will use to interact with the `MetricStore`
# It has the same public interface as `Metric` class but doesnt require to send
# the namespace on every call.
#
# @see Logstash::Instrument::Metric
class NamespacedMetric
attr_reader :namespace_name
# Create metric with a specific namespace
#
# @param metric [LogStash::Instrument::Metric] The metric instance to proxy
# @param namespace [Array] The namespace to use
def initialize(metric, namespace_name)
@metric = metric
@namespace_name = Array(namespace_name)
end
def increment(key, value = 1)
@metric.increment(namespace_name, key, value)
end
def decrement(namespace, key, value = 1)
@metric.decrement(namespace_name, key, value)
end
def gauge(key, value)
@metric.gauge(namespace_name, key, value)
end
def report_time(key, duration)
@metric.report_time(namespace_name, key, duration)
end
def time(key, &block)
@metric.time(namespace_name, key, &block)
end
def collector
@metric.collector
end
def namespace(name)
NamespacedMetric.new(metric, namespace_name.concat(Array(name)))
end
private
attr_reader :metric
end
end; end
Version data entries
16 entries across 16 versions & 1 rubygems