NodeListener (Vert.x Stack - Docs 5.0.1 API)

```
public interface NodeListener
```
A NodeListener is called when nodes join or leave the cluster

Author:

Tim Fox

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`nodeAdded(String nodeID)`	A node has been added
`void`	`nodeLeft(String nodeID)`	A node has left

- Method Detail
  - nodeAdded
```
void nodeAdded(String nodeID)
```
    A node has been added
    
    Parameters:
    
    nodeID - The unique ID of the node
  - nodeLeft
```
void nodeLeft(String nodeID)
```
    A node has left
    
    Parameters:
    
    nodeID - The unique ID of the node