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org.apache.lens.server.session
Class DatabaseResourceService

java.lang.Object
  org.apache.hive.service.AbstractService
      org.apache.lens.server.session.DatabaseResourceService

All Implemented Interfaces:

org.apache.hive.service.Service

public class DatabaseResourceService
extends org.apache.hive.service.AbstractService

Service to maintain DB specific static jars. This service is managed by HiveSessionService.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.hive.service.Service

org.apache.hive.service.Service.STATE

Field Summary

static org.apache.commons.logging.Log	LOG
static String	NAME

Constructor Summary

DatabaseResourceService(String name)

Method Summary

Collection<LensSessionImpl.ResourceEntry>	getResourcesForDatabase(String database) Get resources added statically to the database
void	init(org.apache.hadoop.hive.conf.HiveConf hiveConf)
void	loadResources() Load DB specific resources
void	start()
void	stop()

Methods inherited from class org.apache.hive.service.AbstractService

getHiveConf, getName, getServiceState, getStartTime, register, unregister

Methods inherited from class java.lang.Object

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

Field Detail

LOG

public static final org.apache.commons.logging.Log LOG

NAME

public static final String NAME

See Also:

Constant Field Values

Constructor Detail

DatabaseResourceService

public DatabaseResourceService(String name)

Method Detail

init

public void init(org.apache.hadoop.hive.conf.HiveConf hiveConf)

Specified by:

init in interface org.apache.hive.service.Service

Overrides:

init in class org.apache.hive.service.AbstractService

start

public void start()

Specified by:

start in interface org.apache.hive.service.Service

Overrides:

start in class org.apache.hive.service.AbstractService

stop

public void stop()

Specified by:

stop in interface org.apache.hive.service.Service

Overrides:

stop in class org.apache.hive.service.AbstractService

loadResources

public void loadResources()
                   throws LensException

Load DB specific resources

Throws:

LensException

getResourcesForDatabase

public Collection<LensSessionImpl.ResourceEntry> getResourcesForDatabase(String database)

Get resources added statically to the database

Parameters:

database -

Returns:

resources added to the database, or null if no resources are noted for this database