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-rw-r--r--catalog-ui/src/app/utils/functions.ts35
1 files changed, 35 insertions, 0 deletions
diff --git a/catalog-ui/src/app/utils/functions.ts b/catalog-ui/src/app/utils/functions.ts
new file mode 100644
index 0000000000..24f8008393
--- /dev/null
+++ b/catalog-ui/src/app/utils/functions.ts
@@ -0,0 +1,35 @@
+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);
+ };
+}