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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=========================================================
*/
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);
};
}
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