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Stored size: 1.98 KB
Contents
# this struct uniquely defines a metric, optionally inside
# the call scope of another metric
class NewRelic::MetricSpec
attr_accessor :name
attr_accessor :scope
# the maximum length of a metric name or metric scope
MAX_LENGTH = 255
# Need a "zero-arg" constructor so it can be instantiated from java (using
# jruby) for sending responses to ruby agents from the java collector.
#
def initialize(metric_name = '', metric_scope = '')
self.name = (metric_name || '') && metric_name[0...MAX_LENGTH]
self.scope = metric_scope && metric_scope[0...MAX_LENGTH]
end
# truncates the name and scope to the MAX_LENGTH
def truncate!
self.name = name[0...MAX_LENGTH] if name && name.size > MAX_LENGTH
self.scope = scope[0...MAX_LENGTH] if scope && scope.size > MAX_LENGTH
end
def ==(o)
self.eql?(o)
end
def eql? o
self.class == o.class &&
name.eql?(o.name) &&
# coerce scope to a string and compare
scope.to_s == o.scope.to_s
end
def hash
h = name.hash
h ^= scope.hash unless scope.nil?
h
end
# return a new metric spec if the given regex
# matches the name or scope.
def sub(pattern, replacement, apply_to_scope = true)
NewRelic::Control.instance.log.warn("The sub method on metric specs is deprecated") rescue nil
return nil if name !~ pattern &&
(!apply_to_scope || scope.nil? || scope !~ pattern)
new_name = name.sub(pattern, replacement)[0...MAX_LENGTH]
if apply_to_scope
new_scope = (scope && scope.sub(pattern, replacement)[0...MAX_LENGTH])
else
new_scope = scope
end
self.class.new new_name, new_scope
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
25 entries across 25 versions & 2 rubygems