DataTreeMXBean (Apache ZooKeeper - Server 3.9.1 API)

All Known Implementing Classes:

DataTreeBean
```
public interface DataTreeMXBean
```
Zookeeper data tree MBean.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`long`	`approximateDataSize()`
`int`	`countEphemerals()`
`String`	`getLastZxid()`
`int`	`getNodeCount()`
`int`	`getWatchCount()`

- Method Detail
  - getNodeCount
```
int getNodeCount()
```
    Returns:
    
    number of znodes in the data tree.
  - getLastZxid
```
String getLastZxid()
```
    Returns:
    
    the most recent zxid processed by the data tree.
  - getWatchCount
```
int getWatchCount()
```
    Returns:
    
    number of watches set.
  - approximateDataSize
```
long approximateDataSize()
```
    Returns:
    
    data tree size in bytes. The size includes the znode path and its value.
  - countEphemerals
```
int countEphemerals()
```
    Returns:
    
    number of ephemeral nodes in the data tree