Class: StateFile

Inherits:
Object
  • Object
show all
Defined in:
lib/redis_slowlog_stasher/statefile.rb

Overview

TODO: if you give it a nil filename, read gives you 0,0, write is a noop?

Instance Method Summary collapse

Constructor Details

#initialize(filename) ⇒ StateFile

Returns a new instance of StateFile.



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# File 'lib/redis_slowlog_stasher/statefile.rb', line 3

def initialize(filename)
  @filename = filename
end

Instance Method Details

#read ⇒ Object 



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# File 'lib/redis_slowlog_stasher/statefile.rb', line 7

def read
  File.open(@filename, 'r') do |state_file|
    state_file.gets.chomp.split(':').map(&:to_i)
  end
rescue Errno::ENOENT
  # if the file doesn't exist, just return the thing
  [0,0]
end

#write(entry_timestamp, entry_id) ⇒ Object 



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# File 'lib/redis_slowlog_stasher/statefile.rb', line 16

def write(entry_timestamp, entry_id)
  File.open(@filename, 'w') do |state_file|
    state_file.puts("#{entry_timestamp}:#{entry_id}")
  end
end