Class: Hari::Keys::Key

Inherits:
Object
  • Object
show all
Defined in:
lib/hari/keys/key.rb

Direct Known Subclasses

Hash, List, Set, SortedSet, String

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(node = nil, options = {}) ⇒ Key

Returns a new instance of Key.



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# File 'lib/hari/keys/key.rb', line 7

def initialize(node = nil, options = {})
  @node, @options = node, options
end

Instance Attribute Details

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/hari/keys/key.rb', line 5

def name
  @name
end

#node ⇒ Object (readonly)

Returns the value of attribute node.



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# File 'lib/hari/keys/key.rb', line 5

def node
  @node
end

#options ⇒ Object (readonly)

Returns the value of attribute options.



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# File 'lib/hari/keys/key.rb', line 5

def options
  @options
end

Instance Method Details

#delete! ⇒ Object 



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# File 'lib/hari/keys/key.rb', line 18

def delete!
  Hari.redis.del key
end

#desserialize(value) ⇒ Object 



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# File 'lib/hari/keys/key.rb', line 56

def desserialize(value)
  type = options[:type]

  if type.nil? || value.nil?
    value
  else
    value.kind_of?(Enumerable) ? value.map { |v| type.from_json(v) }
                               : type.from_json(value)
  end
end

#exists? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/hari/keys/key.rb', line 22

def exists?
  Hari.redis.exists key
end

#expire(milliseconds) ⇒ Object 



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# File 'lib/hari/keys/key.rb', line 26

def expire(milliseconds)
  Hari.redis.pexpire key, milliseconds
end

#expire_at(timestamp) ⇒ Object 



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# File 'lib/hari/keys/key.rb', line 30

def expire_at(timestamp)
  Hari.redis.expireat key, ::Time.parse(timestamp).to_s
end

#key ⇒ Object 



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# File 'lib/hari/keys/key.rb', line 11

def key
  @key ||= begin
    prefix = node ? "#{Hari.node_key(node)}:" : ''
    prefix + name.to_s
  end
end

#persist ⇒ Object 



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# File 'lib/hari/keys/key.rb', line 34

def persist
  Hari.redis.persist key
end

#serialize(value) ⇒ Object 



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# File 'lib/hari/keys/key.rb', line 46

def serialize(value)
  type = options[:type]

  if type.nil? || value.nil?
    value
  else
    value.kind_of?(Enumerable) ? value.map(&:to_json) : value.to_json
  end
end

#ttl ⇒ Object 



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# File 'lib/hari/keys/key.rb', line 42

def ttl
  Hari.redis.ttl key
end

#type ⇒ Object 



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# File 'lib/hari/keys/key.rb', line 38

def type
  Hari.redis.type key
end