ZKNamespaceManager (Hortonworks Data Platform Apache HBase Java API Reference)

```
public class ZKNamespaceManager
extends ZKListener
```
Class servers two purposes: 1. Broadcast NamespaceDescriptor information via ZK (Done by the Master) 2. Consume broadcasted NamespaceDescriptor changes (Done by the RegionServers)

Constructors
Constructor and Description
`ZKNamespaceManager(ZKWatcher zkw)`

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`NamespaceDescriptor`	`get(java.lang.String name)`
`java.util.NavigableSet<NamespaceDescriptor>`	`list()`
`void`	`nodeChildrenChanged(java.lang.String path)`
`void`	`nodeCreated(java.lang.String path)`
`void`	`nodeDataChanged(java.lang.String path)`
`void`	`nodeDeleted(java.lang.String path)`
`void`	`remove(java.lang.String name)`
`void`	`start()`
`void`	`stop()`
`void`	`update(NamespaceDescriptor ns)`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

public ZKNamespaceManager(ZKWatcher zkw)
                   throws java.io.IOException

public void start()
           throws java.io.IOException

public void stop()
          throws java.io.IOException

public NamespaceDescriptor get(java.lang.String name)

public void update(NamespaceDescriptor ns)
            throws java.io.IOException

public void remove(java.lang.String name)
            throws java.io.IOException

public java.util.NavigableSet<NamespaceDescriptor> list()
                                                 throws java.io.IOException

public void nodeCreated(java.lang.String path)

public void nodeDeleted(java.lang.String path)

public void nodeDataChanged(java.lang.String path)

public void nodeChildrenChanged(java.lang.String path)

Class ZKNamespaceManager