File size: 2,220 Bytes
b3787d8 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 | /*
* 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;
}); |