AtomosLayerBase createAtomosLayer()

in atomos/src/main/java/org/apache/felix/atomos/impl/modules/AtomosModules.java [135:167]

• 33 lines of code
• 5 McCabe index (conditional complexity)

    AtomosLayerBase createAtomosLayer(Configuration config, String name, long id,
        LoaderType loaderType, Path... paths)
    {
        AtomosLayerBase existing = getByConfig(config);
        if (existing != null)
        {
            return existing;
        }
        existing = getById(id);
        if (existing != null)
        {
            throw new IllegalArgumentException("The a layer already exists with the id: "
                + id + " " + existing.getName());
        }
        lockWrite();
        try
        {
            List<AtomosLayer> parents = findParents(config, name);
            id = id < 0 ? nextLayerId.getAndIncrement() : id;
            if (Configuration.empty().equals(config))
            {
                name = "empty";
            }
            AtomosLayerModules result = new AtomosLayerModules(config, parents, id, name,
                loaderType, paths);
            addAtomosLayer(result);
            return result;
        }
        finally
        {
            unlockWrite();
        }
    }