org.apache.hadoop.hive.llap.registry.impl

Class SlotZnode

java.lang.Object

org.apache.hadoop.hive.llap.registry.impl.SlotZnode

All Implemented Interfaces:

Closeable, AutoCloseable

public class SlotZnode
extends Object
implements Closeable

We would have used the curator ephemeral node with some extra logic but it doesn't handle the EXISTS condition, which is crucial here; so we c/p parts of Curator and add our logic.

Constructor Summary

Constructors

Constructor and Description
SlotZnode(org.apache.curator.framework.CuratorFramework client, String basePath, String prefix, String workerPrefix, String data)

Method Summary

Modifier and Type	Method and Description
void	close()
String	getActualPath()
int	getCurrentSlot()
int	getFallbackCount()
boolean	start(long timeout, TimeUnit unit)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

SlotZnode

public SlotZnode(org.apache.curator.framework.CuratorFramework client,
                 String basePath,
                 String prefix,
                 String workerPrefix,
                 String data)

Method Detail

getFallbackCount

public int getFallbackCount()

start

public boolean start(long timeout,
                     TimeUnit unit)
              throws Exception

Throws:

Exception

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Throws:

IOException

getCurrentSlot

public int getCurrentSlot()

getActualPath

public String getActualPath()