acf/model/root.lua


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--[[
Copyright (c) 2012-2013 Kaarle Ritvanen
See LICENSE file for license details
--]]

module(..., package.seeall)

local node = require('acf.model.node')
local model = require('acf.model.model')
local object = require('acf.object')
local pth = require('acf.path')


RootModel = model.new()

function RootModel:init(txn)
   object.super(self, RootModel):init{txn=txn, path='/', addr='/volatile'}
end

function RootModel:has_permission(user, permission)
   return permission == 'read'
end

function RootModel:meta(path)
   local obj = self:search(path, true)
   if object.isinstance(obj, node.TreeNode) then return node.meta(obj) end
   return node.mmeta(self:search(pth.parent(path), true), pth.name(path))
end

function register(name, addr, field)
   RootModel[name] = model.to_field(field, addr)
end