Method findHandle

ZezeJava/ZezeJava/src/main/java/Zeze/Hot/HotHandle.java:30–61

(@NotNull Application zeze, @NotNull String handleClassName)

	}

	@SuppressWarnings("unchecked")
	public @NotNull THandle findHandle(@NotNull Application zeze, @NotNull String handleClassName) {
		var handle = handleCache.get(handleClassName);
		if (handle != null)
			return handle;

		lock();
		try {
			handle = handleCache.get(handleClassName);
			if (handle != null)
				return handle;

			var handleClass = findClass(zeze, handleClassName);
			var cl = handleClass.getClassLoader();
			if (HotManager.isHotModule(cl)) {
				var hotModule = (HotModule)cl;
				// 这里每次都注册，简化框架关联。
				classNameWithHotModule.computeIfAbsent(hotModule, (key) -> new HashSet<>()).add(handleClassName);
				hotModule.stopEvents.add(this::onHotModuleStop);
			}

			var ctorMethod = handleClass.getDeclaredConstructor((Class<?>[])null);
			ctorMethod.setAccessible(true);
			handle = (THandle)ctorMethod.newInstance((Object[])null);
			handleCache.put(handleClassName, handle);
			return handle;
		} catch (ReflectiveOperationException e) {
			throw Task.forceThrow(e);
		} finally {
			unlock();
		}
	}
}