Class: TingYun::Metrics::MetricSpec
- Inherits:
-
Object
- Object
- TingYun::Metrics::MetricSpec
- Defined in:
- lib/ting_yun/metrics/metric_spec.rb
Constant Summary collapse
- MAX_LENGTH =
the maximum length of a metric name or metric scope
255
- LENGTH_RANGE =
(0...MAX_LENGTH)
- EMPTY_SCOPE =
''.freeze
Instance Attribute Summary collapse
-
#full_name ⇒ Object
Returns the value of attribute full_name.
-
#name ⇒ Object
Returns the value of attribute name.
-
#scope ⇒ Object
Returns the value of attribute scope.
Instance Method Summary collapse
- #<=>(o) ⇒ Object
- #==(o) ⇒ Object
- #eql?(o) ⇒ Boolean
- #hash ⇒ Object
-
#initialize(metric_name = '', metric_scope = nil) ⇒ MetricSpec
constructor
A new instance of MetricSpec.
- #inspect ⇒ Object
-
#sub(pattern, replacement, apply_to_scope = true) ⇒ Object
return a new metric spec if the given regex matches the name or scope.
- #to_hash ⇒ Object
- #to_json(*a) ⇒ Object
- #to_s ⇒ Object
Constructor Details
#initialize(metric_name = '', metric_scope = nil) ⇒ MetricSpec
Returns a new instance of MetricSpec.
18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 |
# File 'lib/ting_yun/metrics/metric_spec.rb', line 18 def initialize(metric_name='', metric_scope=nil) @full_name = metric_name.to_s 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 |
Instance Attribute Details
#full_name ⇒ Object
Returns the value of attribute full_name.
11 12 13 |
# File 'lib/ting_yun/metrics/metric_spec.rb', line 11 def full_name @full_name end |
#name ⇒ Object
Returns the value of attribute name.
11 12 13 |
# File 'lib/ting_yun/metrics/metric_spec.rb', line 11 def name @name end |
#scope ⇒ Object
Returns the value of attribute scope.
11 12 13 |
# File 'lib/ting_yun/metrics/metric_spec.rb', line 11 def scope @scope end |
Instance Method Details
#<=>(o) ⇒ Object
80 81 82 83 84 |
# File 'lib/ting_yun/metrics/metric_spec.rb', line 80 def <=>(o) namecmp = self.name <=> o.name return namecmp if namecmp != 0 return (self.scope || '') <=> (o.scope || '') end |
#==(o) ⇒ Object
37 38 39 |
# File 'lib/ting_yun/metrics/metric_spec.rb', line 37 def ==(o) self.eql?(o) end |
#eql?(o) ⇒ Boolean
41 42 43 |
# File 'lib/ting_yun/metrics/metric_spec.rb', line 41 def eql? o @name == o.name && @scope == o.scope end |
#hash ⇒ Object
45 46 47 |
# File 'lib/ting_yun/metrics/metric_spec.rb', line 45 def hash @name.hash ^ @scope.hash end |
#inspect ⇒ Object
71 72 73 |
# File 'lib/ting_yun/metrics/metric_spec.rb', line 71 def inspect "#<TingYun::Metrics::MetricSpec '#{name}':'#{scope}'>" end |
#sub(pattern, replacement, apply_to_scope = true) ⇒ Object
return a new metric spec if the given regex matches the name or scope.
51 52 53 54 55 56 57 58 59 60 61 62 63 64 |
# File 'lib/ting_yun/metrics/metric_spec.rb', line 51 def sub(pattern, replacement, apply_to_scope = true) ::TingYun::Agent.logger.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)[LENGTH_RANGE] if apply_to_scope new_scope = (scope && scope.sub(pattern, replacement)[LENGTH_RANGE]) else new_scope = scope end self.class.new new_name, new_scope end |
#to_hash ⇒ Object
86 87 88 89 90 91 92 93 |
# File 'lib/ting_yun/metrics/metric_spec.rb', line 86 def to_hash hash = { 'name' => name } unless scope.empty? hash['parent'] = scope end return hash end |
#to_json(*a) ⇒ Object
75 76 77 78 |
# File 'lib/ting_yun/metrics/metric_spec.rb', line 75 def to_json(*a) {'name' => name, 'scope' => scope}.to_json(*a) end |
#to_s ⇒ Object
66 67 68 69 |
# File 'lib/ting_yun/metrics/metric_spec.rb', line 66 def to_s return name if scope.empty? "#{name}:#{scope}" end |