foam-framework
Version:
MVC metaprogramming framework
115 lines (113 loc) • 2.86 kB
JavaScript
/*
* @license
* Copyright 2015 Google Inc. All Rights Reserved.
*
* Licensed 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.
*/
CLASS({
"model_": "Model",
"package": "foam.core.dao",
"name": "SplitDAO",
"extends": "foam.dao.ProxyDAO",
"requires": [
"MDAO"
],
"properties": [
{
"name": "remote",
"required": true,
"hidden": true
},
{
"model_": "FunctionProperty",
"name": "placeholderFactory"
},
{
"model_": "IntProperty",
"name": "staleTimeout",
"defaultValue": 5000
},
{
"name": "delegate",
"factory": function () {
// TODO: Cleanup the index setup, it shouldn't be this hard.
var dao = this.MDAO.create({
model: this.model,
});
dao.index = AltIndex.create(
AutoPositionIndex.create(
this.placeholderFactory,
dao,
this.remote,
this.staleTimeout),
TreeIndex.create(this.model.getProperty(this.model.ids[0])));
dao.root = [[]];
return dao;
}
}
],
"methods": [
{
"model_": "Method",
"name": "init",
"code": function () {
this.SUPER();
var self = this;
this.remote.listen({
put: function(obj) {
self.delegate.put(obj);
},
remove: function(obj) {
self.delegate.remove(obj);
}
});
}
},
{
"model_": "Method",
"name": "put",
"code": function (obj, sink) {
this.remote.put(obj, sink);
}
},
{
"model_": "Method",
"name": "remove",
"code": function (obj, sink) {
this.remote.remove(obj, sink);
}
},
{
"model_": "Method",
"name": "find",
"code": function (key, sink) {
var remote = this.remote;
var delegate = this.delegate
this.SUPER(key, {
put: function(obj) {
sink && sink.put && sink.put(obj);
},
error: function() {
remote.find(key, {
put: function(obj) {
sink && sink.put && sink.put(obj);
delegate.put(obj);
},
error: (sink && sink.error) ? sink.error.bind(sink) : undefined
})
}
});
}
}
]
});