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Contents
module God
class Metric
attr_accessor :watch, :destination, :conditions
def initialize(watch, destination = nil)
self.watch = watch
self.destination = destination
self.conditions = []
end
# Instantiate a Condition of type +kind+ and pass it into the optional
# block. Attributes of the condition must be set in the config file
def condition(kind)
# create the condition
begin
c = Condition.generate(kind, self.watch)
rescue NoSuchConditionError => e
abort e.message
end
# send to block so config can set attributes
yield(c) if block_given?
# call prepare on the condition
c.prepare
# test generic and specific validity
unless Condition.valid?(c) && c.valid?
abort "Exiting on invalid condition"
end
# inherit interval from watch if no poll condition specific interval was set
if c.kind_of?(PollCondition) && !c.interval
if self.watch.interval
c.interval = self.watch.interval
else
abort "No interval set for Condition '#{c.class.name}' in Watch '#{self.watch.name}', and no default Watch interval from which to inherit"
end
end
# remember
self.conditions << c
end
def enable
self.conditions.each do |c|
self.watch.attach(c)
end
end
def disable
self.conditions.each do |c|
self.watch.detach(c)
end
end
end
end
Version data entries
67 entries across 67 versions & 21 rubygems