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Contents
require 'engine/matchers/combiners'
module SplitIoClient
#
# class to implement the combining matcher
#
class CombiningMatcher < NoMethodError
#
# list of matcher within the combiner
#
@matcher_list = []
#
# combiner value
#
@combiner = ''
def initialize(combiner, delegates)
unless delegates.nil?
@matcher_list = delegates
end
unless combiner.nil?
@combiner = combiner
end
end
#
# evaluates if the key matches the matchers within the combiner
#
# @param key [string] key value to be matched
#
# @return [boolean] match value for combiner delegates
def match?(key, attributes)
if @matcher_list.empty?
return false
end
case @combiner
when Combiners::AND
return and_eval(key, attributes)
else
@logger.error('Invalid combiner type')
return false
end
end
#
# auxiliary method to evaluate each of the matchers within the combiner
#
# @param key [string] key value to be matched
#
# @return [boolean] match value for combiner delegates
def and_eval(key, attributes)
result = true
@matcher_list.each do |delegate|
result &= delegate.match? key, attributes
end
result
end
#
# evaluates if the given object equals the matcher
#
# @param obj [object] object to be evaluated
#
# @returns [boolean] true if obj equals the matcher
def equals?(obj)
if obj.nil?
false
elsif !obj.instance_of?(CombiningMatcher)
false
elsif self.equal?(obj)
true
else
false
end
end
#
# function to print string value for this matcher
#
# @reutrn [string] string value of this matcher
def to_s
result = ''
@matcher_list.each_with_index do |matcher, i|
result += matcher.to_s
result += ' ' + @combiner if i != 0
end
result
end
end
end
Version data entries
39 entries across 39 versions & 1 rubygems