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);
+    };
+}