| /* | |
| * Licensed to the Apache Software Foundation (ASF) under one | |
| * or more contributor license agreements. See the NOTICE file | |
| * distributed with this work for additional information | |
| * regarding copyright ownership. The ASF licenses this file | |
| * to you under the Apache License, Version 2.0 (the | |
| * "License"); you may not use this file except in compliance | |
| * with the License. You may obtain a copy of the License at | |
| * | |
| * http://www.apache.org/licenses/LICENSE-2.0 | |
| * | |
| * Unless required by applicable law or agreed to in writing, | |
| * software distributed under the License is distributed on an | |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | |
| * KIND, either express or implied. See the License for the | |
| * specific language governing permissions and limitations | |
| * under the License. | |
| */ | |
| define(["backbone", "brooklyn", "view/viewutils"], function (Backbone, Brooklyn, ViewUtils) { | |
| var HAStatus = Backbone.Model.extend({ | |
| callbacks: [], | |
| loaded: false, | |
| url: "/v1/server/highAvailability", | |
| isMaster: function() { | |
| return this.get("masterId") == this.get("ownId"); | |
| }, | |
| getMasterUri: function() { | |
| // Might be undefined if first fetch hasn't completed | |
| var nodes = this.get("nodes") || {}; | |
| var master = nodes[this.get("masterId")]; | |
| // defensive, if this happens something more serious has gone wrong! | |
| if (!master) { | |
| return null; | |
| } else { | |
| return master.nodeUri; | |
| } | |
| }, | |
| onLoad: function(f) { | |
| if (this.loaded) { | |
| f(); | |
| } else { | |
| this.callbacks.push(f); | |
| } | |
| }, | |
| autoUpdate: function() { | |
| ViewUtils.fetchModelRepeatedlyWithDelay(this, { doitnow: true }); | |
| } | |
| }); | |
| var haStatus = new HAStatus(); | |
| haStatus.once("sync", function() { | |
| haStatus.loaded = true; | |
| _.invoke(haStatus.callbacks, "apply"); | |
| haStatus.callbacks = undefined; | |
| }); | |
| // Will returning the instance rather than the object be confusing? | |
| // It breaks the pattern used by all the other models. | |
| return haStatus; | |
| }); |