org.apache.hadoop.hive.metastore
Class DummyJdoConnectionUrlHook

java.lang.Object
  org.apache.hadoop.hive.metastore.DummyJdoConnectionUrlHook

All Implemented Interfaces:

JDOConnectionURLHook

public class DummyJdoConnectionUrlHook
extends Object
implements JDOConnectionURLHook

DummyJdoConnectionUrlHook. An implementation of JDOConnectionURLHook which simply returns CORRECT_URL when getJdoConnectionUrl is called.

Field Summary

static String	initialUrl
static String	newUrl

Constructor Summary

DummyJdoConnectionUrlHook()

Method Summary

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

Field Detail

initialUrl

public static final String initialUrl

See Also:

Constant Field Values

newUrl

public static final String newUrl

See Also:

Constant Field Values

Constructor Detail

DummyJdoConnectionUrlHook

public DummyJdoConnectionUrlHook()

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