| Package | Description | 
|---|---|
| org.apache.hadoop.registry.client.impl | Registry client services | 
| org.apache.hadoop.registry.client.impl.zk | Core Zookeeper support. | 
| org.apache.hadoop.registry.server.services | Basic services for the YARN registry
 
   
     The  RegistryAdminServiceextends the shared YARN Registry client with registry setup and
     (potentially asynchronous) administrative actions. | 
| org.apache.hadoop.yarn.client.api | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | RegistryOperationsClientThis is the client service for applications to work with the registry. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | org.apache.hadoop.registry.client.impl.zk.CuratorServiceThis service binds to Zookeeper via Apache Curator. | 
| class  | RegistryOperationsServiceThe Registry operations service. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | AddingCompositeServiceComposite service that exports the add/remove methods. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | TimelineClientA client library that can be used to post some information in terms of a
 number of conceptual entities. | 
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