sandbox event simulator

app/models/models.js

 'use strict';
 
 /**
  * The database models.
  *
  * @module models
  */
 
 YUI.add('juju-models', function(Y) {
 
@@ skipping 120 matching lines @@
           Dynamically calculate a display name that accounts for Juju Core name
           prefixes.
          */
         getter: function() {
           return this.get('id').replace('service-', '');
         }
       },
       name: {},
       charm: {},
       config: {},
+      // Annotations on service are an empty dict
+      // rather than undefined. This helps make
+      // some checks in the code simpler to write.
+      // Units still default to undefined as a way
+      // to help support scale.
       annotations: {value: {}},
       constraints: {},
       exposed: {
         value: false
       },
       subordinate: {
         value: false
       },
       pending: {
         value: false
@@ skipping 598 matching lines @@
     'datasource-io',
     'datasource-jsonschema',
     'io-base',
     'json-parse',
     'juju-delta-handlers',
     'juju-endpoints',
     'juju-view-utils',
     'juju-charm-models'
   ]
 });