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-rw-r--r--catalog-ui/app/scripts/utils/functions.ts58
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diff --git a/catalog-ui/app/scripts/utils/functions.ts b/catalog-ui/app/scripts/utils/functions.ts
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+++ b/catalog-ui/app/scripts/utils/functions.ts
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+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. 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.
+ * ============LICENSE_END=========================================================
+ */
+/// <reference path="../references"/>
+module Sdc.Utils.Functions {
+
+ export class QueueUtils {
+
+ private executionQueue : any;
+
+ constructor(private $q:ng.IQService){
+ this.executionQueue = this.getDummyPromise();
+ }
+
+
+ private getDummyPromise = (): ng.IPromise<boolean> => {
+ let deferred : ng.IDeferred<boolean>= this.$q.defer();
+ deferred.resolve(true);
+ return deferred.promise;
+ };
+
+
+ private addMethodToQueue = (runMe:Function) : void => {
+ this.executionQueue = this.executionQueue.then(runMe, runMe);
+ };
+
+ addNonBlockingUIAction = (update:Function , releaseUIcallBack:Function) : void => {
+ releaseUIcallBack();
+ this.addMethodToQueue(update);
+ };
+
+ // The Method call is responsible for releasing the UI
+ addBlockingUIAction = ( blockingServerRequest : Function ):void => {
+ this.addMethodToQueue(blockingServerRequest);
+ };
+
+ addBlockingUIActionWithReleaseCallback = ( blockingServerRequest : Function, releaseUIcallBack:Function):void=>{
+ this.addMethodToQueue(blockingServerRequest);
+ this.addMethodToQueue(releaseUIcallBack);
+ };
+ }
+}