object-specific actions

1 files changed, 10 insertions, 9 deletions

diff --git a/acf/model/node.lua b/acf/model/node.lua
index 748b20d..7852c9e 100644
--- a/acf/model/node.lua
+++ b/acf/model/node.lua
@@ -14,9 +14,9 @@ local pth = require('acf.path')
 local update = require('acf.util').update
 
 
-BoundField = class()
+BoundMember = class()
 
-function BoundField:init(parent, field)
+function BoundMember:init(parent, field)
    local pmt = getmetatable(parent)
    local mt = {}
 
@@ -80,8 +80,8 @@ function TreeNode:search(path, create)
 
    local mt = getmetatable(self)
    local name = path[1]
-   if not mt.has_field(name) then
-      raise(mt.path, 'Field does not exist: '..name)
+   if not mt.valid_member(name) then
+      raise(mt.path, 'Member does not exist: '..name)
    end
 
    local next = mt.get(name, create)
@@ -106,12 +106,13 @@ function Collection:init(context, params)
    self.init = nil
    self.search = nil
 
+   local field = BoundMember(self, params.field)
+
    local mt = getmetatable(self)
 
-   mt.field = BoundField(self, params.field)
-   mt.meta = {type='collection', members=mt.field:meta('$')}
+   mt.meta = {type='collection', members=field:meta('$')}
 
-   function mt.has_field(name) return true end
+   function mt.valid_member(name) return true end
    function mt.mmeta(name) return mt.meta.members end
    function mt.members() return mt.txn:get(mt.addr) or {} end
 
@@ -121,8 +122,8 @@ function Collection:init(context, params)
       end
    end
    
-   function mt.load(k, create) return mt.field:load(k, create) end
-   function mt.save(k, v) mt.field:save(k, v) end
+   function mt.load(k, create) return field:load(k, create) end
+   function mt.save(k, v) field:save(k, v) end
 end