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Contents
# encoding: utf-8
# This file is distributed under New Relic's license terms.
# See https://github.com/newrelic/rpm/blob/master/LICENSE for complete details.
# this struct uniquely defines a metric, optionally inside
# the call scope of another metric
class NewRelic::MetricSpec
attr_reader :name, :scope
# the maximum length of a metric name or metric scope
MAX_LENGTH = 255
LENGTH_RANGE = (0...MAX_LENGTH)
EMPTY_SCOPE = ''.freeze
def initialize(metric_name='', metric_scope=nil)
if metric_name.to_s.length > MAX_LENGTH
@name = metric_name.to_s[LENGTH_RANGE]
else
@name = metric_name.to_s
end
if metric_scope
if metric_scope.to_s.length > MAX_LENGTH
@scope = metric_scope.to_s[LENGTH_RANGE]
else
@scope = metric_scope.to_s
end
else
@scope = EMPTY_SCOPE
end
end
def ==(o)
self.eql?(o)
end
def eql? o
@name == o.name && @scope == o.scope
end
def hash
@name.hash ^ @scope.hash
end
def to_s
return name if scope.empty?
"#{name}:#{scope}"
end
def inspect
"#<NewRelic::MetricSpec '#{name}':'#{scope}'>"
end
def to_json(*a)
{'name' => name,
'scope' => scope}.to_json(*a)
end
def <=>(o)
namecmp = self.name <=> o.name
return namecmp if namecmp != 0
return (self.scope || '') <=> (o.scope || '')
end
end
Version data entries
30 entries across 30 versions & 1 rubygems