BlockedNodeRetriever (Flink : Runtime 2.1.0 API)

```
public interface BlockedNodeRetriever
```
This class helps to retrieve the blocked nodes.

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  Set<String> getAllBlockedNodeIds()
  Get all blocked node ids.

- Method Detail
  - getAllBlockedNodeIds
```
Set<String> getAllBlockedNodeIds()
```
    Get all blocked node ids.
    
    Returns:
    
    a set containing all blocked node ids