shuttle

example/msl/src/RemsTelemetryProvider.js

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+/*****************************************************************************
+ * Open MCT Web, Copyright (c) 2014-2015, United States Government
+ * as represented by the Administrator of the National Aeronautics and Space
+ * Administration. All rights reserved.
+ *
+ * Open MCT Web is 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.
+ *
+ * Open MCT Web includes source code licensed under additional open source
+ * licenses. See the Open Source Licenses file (LICENSES.md) included with
+ * this source code distribution or the Licensing information page available
+ * at runtime from the About dialog for additional information.
+ *****************************************************************************/
+/*global define */
+define (
+    ['./RemsTelemetrySeries'],
+    function (RemsTelemetrySeries) {
+        "use strict";
+
+        var SOURCE = "rems.source";
+
+        function RemsTelemetryProvider(adapter, $q){
+            /*
+             Filters requests for telemetry so that it only handles requests for
+             this source
+             */
+            function matchesSource(request) {
+                return (request.source === SOURCE);
+            }
+
+            return {
+                requestTelemetry: function(requests) {
+                    var packaged = {},
+                        relevantReqs = requests.filter(matchesSource);
+
+                    function addToPackage(history) {
+                        packaged[SOURCE][history.id] =
+                            new RemsTelemetrySeries(history.value);
+                    }
+
+                    function handleRequest(request) {
+                        var key = request.key;
+                        return adapter.history(key).then(addToPackage);
+                    }
+                    packaged[SOURCE] = {};
+                    return $q.all(relevantReqs.map(handleRequest))
+                        .then(function () {
+                            return packaged;
+                        });
+                },
+                subscribe: function (callback, requests) {
+                    return function() {};
+                },
+                unsubscribe: function (callback, requests) {
+                    return function() {};
+                }
+            }
+
+        }
+
+        return RemsTelemetryProvider;
+    }
+);