Class: Pakyow::Support::Serializer

Inherits:
Object
  • Object
show all
Defined in:
lib/pakyow/support/serializer.rb

Overview

Persists state for an object.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(object, name:, path:, logger:) ⇒ Serializer

Returns a new instance of Serializer.



12
13
14
 
# File 'lib/pakyow/support/serializer.rb', line 12

def initialize(object, name:, path:, logger:)
  @object, @name, @path, @logger = object, name, path, logger
end

Instance Attribute Details

#logger ⇒ Object (readonly)

Returns the value of attribute logger.



10
11
12
 
# File 'lib/pakyow/support/serializer.rb', line 10

def logger
  @logger
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



10
11
12
 
# File 'lib/pakyow/support/serializer.rb', line 10

def name
  @name
end

#object ⇒ Object (readonly)

Returns the value of attribute object.



10
11
12
 
# File 'lib/pakyow/support/serializer.rb', line 10

def object
  @object
end

#path ⇒ Object (readonly)

Returns the value of attribute path.



10
11
12
 
# File 'lib/pakyow/support/serializer.rb', line 10

def path
  @path
end

Instance Method Details

#deserialize ⇒ Object 



25
26
27
28
29
30
31
32
33
34
 
# File 'lib/pakyow/support/serializer.rb', line 25

def deserialize
  if File.exist?(serialized_state_path)
    Marshal.load(File.read(serialized_state_path)).each do |ivar, value|
      @object.instance_variable_set(ivar, value)
    end
  end
rescue => error
  FileUtils.rm(serialized_state_path)
  @logger.error "[Serializer] failed to deserialize `#{@name}': #{error}"
end

#serialize ⇒ Object 



16
17
18
19
20
21
22
23
 
# File 'lib/pakyow/support/serializer.rb', line 16

def serialize
  FileUtils.mkdir_p(@path)
  File.open(serialized_state_path, "w+") do |file|
    file.write(Marshal.dump(@object.serialize))
  end
rescue => error
  @logger.error "[Serializer] failed to serialize `#{@name}': #{error}"
end