Class: LogStash::Util::Accessors

Inherits:
Object
  • Object
show all
Defined in:
lib/logstash/util/accessors.rb

Overview

Accessors uses a lookup table to speedup access of an accessor field of the type “[hello]” to the underlying store hash into => {“world” => “foo”}

Instance Method Summary collapse

Constructor Details

#initialize(store) ⇒ Accessors

Returns a new instance of Accessors.



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# File 'lib/logstash/util/accessors.rb', line 28

def initialize(store)
  @store = store
  @lut = {}
end

Instance Method Details

#del(accessor) ⇒ Object 



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# File 'lib/logstash/util/accessors.rb', line 49

def del(accessor)
  target, key = lookup(accessor)
  unless target.nil?
    target.is_a?(Array) ? target.delete_at(key.to_i) : target.delete(key)
  end
end

#get(accessor) ⇒ Object 



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# File 'lib/logstash/util/accessors.rb', line 33

def get(accessor)
  target, key = lookup(accessor)
  unless target.nil?
    target.is_a?(Array) ? target[key.to_i] : target[key]
  end
end

#include?(accessor) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/logstash/util/accessors.rb', line 56

def include?(accessor)
  target, key = lookup_path(accessor)
  return false unless target
  target.is_a?(Array) ? !target[key.to_i].nil? : target.include?(key)
end

#set(accessor, value) ⇒ Object 



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# File 'lib/logstash/util/accessors.rb', line 40

def set(accessor, value)
  target, key = store_and_lookup(accessor)
  target[target.is_a?(Array) ? key.to_i : key] = value
end

#strict_set(accessor, value) ⇒ Object 



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# File 'lib/logstash/util/accessors.rb', line 45

def strict_set(accessor, value)
  set(accessor, LogStash::Event.validate_value(value))
end