tejasajmera opened a new pull request #6358:
URL: https://github.com/apache/incubator-pinot/pull/6358
**Rationale**
The ember-model-table does not work well with callback functions to invoke
in a parent hosting component when there are interactions in a table. In order
to bridge this, we are adding support for a very lightweight PubSub
implementation.
**Usage**
```javascript
import pubSub from 'app/utils/pub-sub';
//For publishing
pubSub.publish('testEvent', data);
//For subscribing
const subscription = pubSub.subscribe('testEvent', (data) => {
});
//For unsubscribing
subscription.unsubscribe();
```
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