Exception: SplitIoClient::CombiningMatcher

Inherits:
NoMethodError
  • Object
show all
Defined in:
lib/engine/matchers/combining_matcher.rb

Overview

class to implement the combining matcher

Instance Method Summary collapse

Constructor Details

#initialize(combiner, delegates) ⇒ CombiningMatcher

Returns a new instance of CombiningMatcher.



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# File 'lib/engine/matchers/combining_matcher.rb', line 19

def initialize(combiner, delegates)
  unless delegates.nil?
    @matcher_list = delegates
  end
  unless combiner.nil?
    @combiner = combiner
  end
end

Instance Method Details

#and_eval(key, attributes) ⇒ boolean

auxiliary method to evaluate each of the matchers within the combiner

Parameters:

  • key (string) —

    key value to be matched

Returns:

  • (boolean) —

    match value for combiner delegates



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# File 'lib/engine/matchers/combining_matcher.rb', line 54

def and_eval(key, attributes)
  result = true
  @matcher_list.each do |delegate|
    result &= delegate.match? key, attributes
  end
  result
end

#equals?(obj) ⇒ Boolean

evaluates if the given object equals the matcher

Parameters:

  • obj (object) —

    object to be evaluated

Returns:

  • (Boolean) 


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# File 'lib/engine/matchers/combining_matcher.rb', line 68

def equals?(obj)
  if obj.nil?
    false
  elsif !obj.instance_of?(CombiningMatcher)
    false
  elsif self.equal?(obj)
    true
  else
    false
  end
end

#match?(key, attributes) ⇒ boolean

evaluates if the key matches the matchers within the combiner

Parameters:

  • key (string) —

    key value to be matched

Returns:

  • (boolean) —

    match value for combiner delegates



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# File 'lib/engine/matchers/combining_matcher.rb', line 34

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

#to_s ⇒ Object

function to print string value for this matcher



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# File 'lib/engine/matchers/combining_matcher.rb', line 84

def to_s
  result = ''
  @matcher_list.each_with_index do |matcher, i|
    result += matcher.to_s
    result += ' ' + @combiner if i != 0
  end
  result
end