Class: Schron::IdentityMap

Inherits:
Object
  • Object
show all
Defined in:
lib/schron/identity_map.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ IdentityMap

Returns a new instance of IdentityMap.



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# File 'lib/schron/identity_map.rb', line 4

def initialize
  @data = {}
end

Instance Method Details

#clear ⇒ Object 



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# File 'lib/schron/identity_map.rb', line 29

def clear
  @data = {}
end

#delete(id) ⇒ Object 



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# File 'lib/schron/identity_map.rb', line 25

def delete(id)
  @data.delete(id)
end

#fetch(id, &block) ⇒ Object 



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# File 'lib/schron/identity_map.rb', line 16

def fetch(id, &block)
  put(id, block.call) unless has?(id)
  get(id)
end

#get(id) ⇒ Object 



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# File 'lib/schron/identity_map.rb', line 12

def get(id)
  @data[id]
end

#has?(id) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/schron/identity_map.rb', line 21

def has?(id)
  @data.key?(id)
end

#put(id, object) ⇒ Object 



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# File 'lib/schron/identity_map.rb', line 8

def put(id, object)
  @data[id] = object
end