org.apache.hadoop.hive.contrib.metastore.hooks

Class SampleURLHook

java.lang.Object

org.apache.hadoop.hive.contrib.metastore.hooks.SampleURLHook

All Implemented Interfaces:

JDOConnectionURLHook

public class SampleURLHook
extends Object
implements JDOConnectionURLHook

First returns a url for a blank DB, then returns a URL for the original DB. For testing the feature in url_hook.q

Constructor Summary

Constructors

Constructor and Description
SampleURLHook()

Method Summary

Modifier and Type	Method and Description
String	getJdoConnectionUrl(org.apache.hadoop.conf.Configuration conf) Gets the connection URL to supply to JDO.
void	notifyBadConnectionUrl(String url) Alerts this that the connection URL was bad.

Methods inherited from class java.lang.Object

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

Constructor Detail

SampleURLHook

public SampleURLHook()

Method Detail

getJdoConnectionUrl

public String getJdoConnectionUrl(org.apache.hadoop.conf.Configuration conf)
                           throws Exception

Description copied from interface: JDOConnectionURLHook

Gets the connection URL to supply to JDO. In addition to initialization, this method will be called after a connection failure for each reconnect attempt.

Specified by:

getJdoConnectionUrl in interface JDOConnectionURLHook

Parameters:

conf - The configuration used to initialize this instance of the HMS

Returns:

the connection URL

Throws:

Exception

notifyBadConnectionUrl

public void notifyBadConnectionUrl(String url)

Description copied from interface: JDOConnectionURLHook

Alerts this that the connection URL was bad. Can be used to collect stats, etc.

Specified by:

notifyBadConnectionUrl in interface JDOConnectionURLHook