Class: Nasty::IdentityMap

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

Instance Method Summary collapse

Constructor Details

#initialize(items = {}) ⇒ IdentityMap

Returns a new instance of IdentityMap.



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# File 'lib/nasty/identity_map.rb', line 3

def initialize(items = {})
  @items = items
end

Instance Method Details

#add(item) ⇒ Object 



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# File 'lib/nasty/identity_map.rb', line 7

def add(item)
  @items[item.id] = item
end

#evict(item) ⇒ Object 



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# File 'lib/nasty/identity_map.rb', line 19

def evict(item)
  @items.reject! { |key, value| key == item.id }
end

#has_item_for?(id) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/nasty/identity_map.rb', line 11

def has_item_for?(id)
  @items.has_key?(id)
end

#item_for(id) ⇒ Object 



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# File 'lib/nasty/identity_map.rb', line 15

def item_for(id)
  @items[id]
end