The instantiation pipeline element that enforces the singleton multiplicity, on a per-thread basis.
Methods
Public Instance methods
Returns the cached reference, if it has been previously cached for the current thread. Otherwise, invokes the next element in the pipeline and caches the result. The cached reference is returned.
[ show source ]
# File lib/needle/lifecycle/threaded.rb, line 36
36: def call( container, point )
37: cache = service_cache
38: name = service_point.fullname
39:
40: unless cache.has_key?( name )
41: service = succ.call( container, point )
42: cache[ name ] = service
43: end
44:
45: cache[ name ]
46: end
Resets the cached singleton instance, so that the next time it is requested it is re-constructed. Only the cache for the current thread and service point is reset.
[ show source ]
# File lib/needle/lifecycle/threaded.rb, line 51
51: def reset!
52: cache = service_cache
53: cache.delete service_point.fullname
54: end
Returns a Hash of threaded services that are cached by the current thread.
[ show source ]
# File lib/needle/lifecycle/threaded.rb, line 29
29: def service_cache
30: Thread.current[ :threaded_services ] ||= Hash.new
31: end