Class: AWS::CloudWatch::MetricBase

Inherits:
Object
  • Object
show all
Includes:
Core::Model
Defined in:
lib/aws/cloud_watch/metric_base.rb

Direct Known Subclasses

Metric, MetricCollection

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options) ⇒ MetricBase

Returns a new instance of MetricBase.



24
25
26
27
28
 
# File 'lib/aws/cloud_watch/metric_base.rb', line 24

def initialize options
  super
  @dimensions = {}
  set_attributes options
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(name, *args) ⇒ Object 



61
62
63
64
65
66
67
 
# File 'lib/aws/cloud_watch/metric_base.rb', line 61

def method_missing name, *args
  if args.length == 1 && name.to_s =~ /^(.*)=/ then
    @dimensions[$1.to_sym] = args[0]
  else
    super
  end
end

Instance Attribute Details

#dimensions ⇒ Object

Returns the value of attribute dimensions.



43
44
45
 
# File 'lib/aws/cloud_watch/metric_base.rb', line 43

def dimensions
  @dimensions
end

#name ⇒ Object

Returns the value of attribute name.



42
43
44
 
# File 'lib/aws/cloud_watch/metric_base.rb', line 42

def name
  @name
end

#namespace ⇒ Object

Returns the value of attribute namespace.



42
43
44
 
# File 'lib/aws/cloud_watch/metric_base.rb', line 42

def namespace
  @namespace
end

Instance Method Details

#attr_names ⇒ Object 



57
58
59
 
# File 'lib/aws/cloud_watch/metric_base.rb', line 57

def attr_names
  [:dimensions, :name, :namespace]
end

#camel_case(s) ⇒ Object 



81
82
83
 
# File 'lib/aws/cloud_watch/metric_base.rb', line 81

def camel_case s
  Core::Inflection.class_name s.to_s
end

#inspect ⇒ Object 



89
90
91
92
93
94
95
96
97
 
# File 'lib/aws/cloud_watch/metric_base.rb', line 89

def inspect
  attrs = []
  attr_names.each do |attr|
    val = self.send attr
    attrs << "#{attr}:#{val.inspect}" if val
  end
  
  "<#{self::class} #{attrs.join ' '}>"
end

#options ⇒ Object 



69
70
71
72
73
74
75
76
77
78
79
 
# File 'lib/aws/cloud_watch/metric_base.rb', line 69

def options
  opts = !dimensions.empty? ? {:dimensions => 
        dimensions.keys.map {|key|
        { :name => camel_case(key),
          :value => dimensions[key] }}
    } : {}

  opts[:metric_name] = name if name
  opts[:namespace] = namespace if namespace
  opts
end

#set_attributes(attrs) ⇒ Object 



30
31
32
33
34
35
36
37
38
39
40
 
# File 'lib/aws/cloud_watch/metric_base.rb', line 30

def set_attributes attrs
  attrs.keys.each do |k|
    key = k
    key = :name if key == :metric_name
    if key.kind_of? Symbol
      send("#{key}=", attrs[k]) unless key == :config
    else
      dimensions[key] = attrs[k]
    end
  end
end

#to_sym(s) ⇒ Object 



85
86
87
 
# File 'lib/aws/cloud_watch/metric_base.rb', line 85

def to_sym s
  Core::Inflection.ruby_name(s.to_s).to_sym
end