Class: RobotLab::RedisBackend Private

Inherits:
Object
  • Object
show all
Defined in:
lib/robot_lab/memory.rb

Overview

This class is part of a private API. You should avoid using this class if possible, as it may be removed or be changed in the future.

Redis backend for Memory (optional, loaded when Redis is available)

Instance Method Summary collapse

Constructor Details

#initialize ⇒ RedisBackend

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns a new instance of RedisBackend.



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# File 'lib/robot_lab/memory.rb', line 905

def initialize
  @redis = create_redis_connection
  @namespace = "robot_lab:memory:#{SecureRandom.uuid}"
end

Instance Method Details

#[](key) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/robot_lab/memory.rb', line 910

def [](key)
  value = @redis.get("#{@namespace}:#{key}")
  value ? JSON.parse(value, symbolize_names: true) : nil
rescue JSON::ParserError
  value
end

#[]=(key, value) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/robot_lab/memory.rb', line 917

def []=(key, value)
  serialized = value.is_a?(String) ? value : value.to_json
  @redis.set("#{@namespace}:#{key}", serialized)
  value
end

#clear ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/robot_lab/memory.rb', line 937

def clear
  keys.each { |k| delete(k) }
end

#delete(key) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/robot_lab/memory.rb', line 931

def delete(key)
  value = self[key]
  @redis.del("#{@namespace}:#{key}")
  value
end

#key?(key) ⇒ Boolean

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns:

  • (Boolean) 


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# File 'lib/robot_lab/memory.rb', line 923

def key?(key)
  @redis.exists?("#{@namespace}:#{key}")
end

#keys ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/robot_lab/memory.rb', line 927

def keys
  @redis.keys("#{@namespace}:*").map { |k| k.sub("#{@namespace}:", "").to_sym }
end