Class: HashIdentable::LookupTable

Inherits:
Hash
  • Object
show all
Defined in:
lib/hash_identable/lookup_table.rb

Instance Method Summary collapse

Instance Method Details

#fetch(key, &blk) ⇒ Object 



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# File 'lib/hash_identable/lookup_table.rb', line 21

def fetch key, &blk
  begin
    return de_serialize(self[key])
  rescue
    return blk.call if block_given?
    return nil
  end
end

#fetch_id(klass, &blk) ⇒ Object 



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# File 'lib/hash_identable/lookup_table.rb', line 11

def fetch_id klass, &blk
  begin
    klass = serialzie(klass)
    return invert[klass]
  rescue
    return blk.call if block_given?
    return nil
  end
end

#store(key, klass) ⇒ Object 



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# File 'lib/hash_identable/lookup_table.rb', line 30

def store key, klass
  klass = serialzie(klass)
  if has_key?(key)
    raise "Id's for objects must be unique"
  end
  if has_value?(klass)
    raise "Object is already registered"
  end
  super(key, klass)
end