Module: Brown::ACLLookup

Defined in:
lib/brown/acl_lookup.rb

Class Method Summary collapse

Class Method Details

.clear! ⇒ Object 



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# File 'lib/brown/acl_lookup.rb', line 30

def clear!
	@hashes = nil
end

.get_by_hash(type) ⇒ Object 



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# File 'lib/brown/acl_lookup.rb', line 7

def get_by_hash(type)
	hashes[type]
end

.get_by_type(type) ⇒ Object 



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# File 'lib/brown/acl_lookup.rb', line 12

def get_by_type(type)
	to_murmur32(type)
end

.hashes ⇒ Object 



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# File 'lib/brown/acl_lookup.rb', line 35

def hashes
	@hashes ||= begin
		map = ObjectSpace.each_object(Class).map do |k|
			[[to_murmur32(k), k], [k.to_s.split(/::/).last.snake_case, k]]
		end.flatten(1)
		Hash[map]
	end
end

.include?(key, opts = {}) ⇒ Boolean

Look the key up in the cache. This defaults to the key being the hash. If :by_type => true is passed in as the second argument then it will perform the lookup in the type hash.

Returns:

  • (Boolean) 


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# File 'lib/brown/acl_lookup.rb', line 21

def include?(key, opts={})
	if opts[:by_type]
		!get_by_type(key).nil?
	else
		!get_by_hash(key).nil?
	end
end

.to_murmur32(type) ⇒ Object

Convert the name to a base 36 murmur hash



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# File 'lib/brown/acl_lookup.rb', line 48

def to_murmur32(type)
	MurmurHash3::V32.murmur3_32_str_hash(type.to_s).to_s(36)
end