graph-common/lib/router_manager.js

Open Graph API core js lib

(function() {
  var Router, RouterManager;

  Router = null;

  RouterManager = (function() {
    function RouterManager(graph, done) {
      this.graph = graph;
      this.database = this.graph.database;
      Router = this.database.model('Router');
      this.routers = {};
      this.load_routers(done);
    }

    RouterManager.prototype.load_routers = function(done) {
      var self;
      self = this;
      return Router.find({}, function(err, routers) {
        var router, _i, _len;
        for (_i = 0, _len = routers.length; _i < _len; _i++) {
          router = routers[_i];
          self.add_router(router);
        }
        return done();
      });
    };

    RouterManager.prototype.add_router = function(router) {
      this.graph.verbose('RouterManager> add:', router.name);
      return this.routers[router.name] = router;
    };

    RouterManager.prototype.get_router = function(router_name) {
      if (!this.routers[router_name].loaded) {
        this.routers[router_name].loaded = require(this.routers[router_name].require);
      }
      return this.routers[router_name].loaded;
    };

    RouterManager.prototype.create_router = function(router_data) {
      var router;
      this.graph.verbose('RouterManager> create:', router_data);
      router = new Router(router_data);
      return this.add_router(router);
    };

    RouterManager.prototype.query = function(query) {
      var router_config, router_name, _ref;
      query.routers = [];
      _ref = query.node.routers;
      for (router_name in _ref) {
        router_config = _ref[router_name];
        query.routers.push({
          name: router_name,
          configuration: router_config,
          router: this.get_router(router_name)
        });
      }
      this.graph.verbose('RouterManager> resolved:', query.routers);
      return query.current_router = query.routers.shift();
    };

    return RouterManager;

  })();

  module.exports = RouterManager;

}).call(this);