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 911

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 916

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 923

def []=(key, value)
  serialized = value.is_a?(String) ? value : value.to_json
  @redis.set("#{@namespace}:#{key}", serialized)
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 942

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 936

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 928

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 932

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