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Versions: 6
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Stored size: 1.25 KB
Contents
module Fiveruns::Dash
class Trace
attr_reader :context, :data, :stack
def initialize(context)
@context = context
@stack = []
validate!
end
def step(&block)
s = Step.new
@stack.last.children << s if !@stack.empty?
@stack << s
result = yield
last_step = @stack.pop
@data = last_step if @stack.empty?
result
end
def add_data(metric, contexts, value)
unless @stack.empty?
@stack.last.metrics.push(
metric.key.merge({:value => value, :contexts => contexts})
)
end
end
def to_fjson
{ :context => context,
:data => (@data || {})
}.to_fjson
end
private
def validate!
unless @context.is_a?(Array) && @context.size % 2 == 0
raise ArgumentError, 'Invalid context: #{@context.inspect} (must be an array with an even number of elements)'
end
end
class Step
def metrics
@metrics ||= []
end
def children
@children ||= []
end
def to_fjson
{
:metrics => metrics,
:children => children,
}.to_fjson
end
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems