Package org.apache.hadoop.registry.server.services

Basic services for the YARN registry The RegistryAdminService extends the shared YARN Registry client with registry setup and (potentially asynchronous) administrative actions.

See: Description

Interface Summary

Interface	Description
MicroZookeeperServiceKeys	Service keys for configuring the MicroZookeeperService.
RegistryAdminService.NodeSelector	Comparator used for purge logic

Class Summary

Class	Description
AddingCompositeService	Composite service that exports the add/remove methods.
DeleteCompletionCallback	Curator callback for delete operations completing.
MicroZookeeperService	This is a small, localhost Zookeeper service instance that is contained in a YARN service...it's been derived from Apache Twill.
RegistryAdminService	Administrator service for the registry.

Enum Summary

Enum	Description
RegistryAdminService.PurgePolicy	Policy to purge entries

Package org.apache.hadoop.registry.server.services Description

Basic services for the YARN registry

• The RegistryAdminService extends the shared YARN Registry client with registry setup and (potentially asynchronous) administrative actions.
• The MicroZookeeperService is a transient Zookeeper instance bound to the YARN service lifecycle. It is suitable for testing.
• The AddingCompositeService extends the standard YARN composite service by making its add and remove methods public. It is a utility service used in parts of the codebase