Class: Xi::ErrorLog

Inherits:
Object show all
Includes:
Singleton
Defined in:
lib/xi/error_log.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(max_msgs: 6) ⇒ ErrorLog

Returns a new instance of ErrorLog.



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# File 'lib/xi/error_log.rb', line 12

def initialize(max_msgs: 6)
  @max_msgs = max_msgs

  @mutex = Mutex.new
  @errors = []
  @more_errors = false
end

Instance Attribute Details

#max_msgs ⇒ Object

Returns the value of attribute max_msgs.



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# File 'lib/xi/error_log.rb', line 8

def max_msgs
  @max_msgs
end

#more_errors ⇒ Object (readonly) Also known as: more_errors?

Returns the value of attribute more_errors.



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# File 'lib/xi/error_log.rb', line 9

def more_errors
  @more_errors
end

Instance Method Details

#<<(msg) ⇒ Object 



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# File 'lib/xi/error_log.rb', line 20

def <<(msg)
  @mutex.synchronize do
    @errors.unshift(msg) unless @errors.include?(msg)
    if @errors.size >= @max_msgs
      @errors.slice!(@max_msgs)
      @more_errors = true
    end
  end
end

#each ⇒ Object 



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# File 'lib/xi/error_log.rb', line 30

def each
  return enum_for(:each) unless block_given?

  msgs = @mutex.synchronize do
    res = @errors.dup
    @errors.clear
    @more_errors = false
    res
  end

  while !msgs.empty?
    yield msgs.shift
  end
end