query.litcoffee

class Query

  constructor: (node, action, data) ->
    @node = node
    if (typeof @node == 'object' and node.node and node.action and
        typeof node.node == 'string' and typeof node.action == 'string')
      data = @node.data
      action = @node.action
      @node = @node.node

    @action = action
    unless @action in ['create', 'read', 'update', 'delete']
      @action = 'read'

    @data = data

  run: (callback) ->
    @route(callback)

  route: (callback) ->
    @graph.verbose('Query> routing:', @current_router)
    if @current_router
      self = @
      @current_router.router.route(@, () ->
        self.past_routers = [] unless self.past_routers
        self.past_routers.push self.current_router
        self.current_router = self.routers.shift()
        if self.current_router
          self.route(callback)
        else
          callback(self)
      )

module.exports = Query