Package org.apache.twill.zookeeper

This package provides functionality for ZooKeeper interactions.

See: Description

Interface Summary

Interface	Description
ACLData	Represents result of call to ZKClient.getACL(String).
NodeChildren	Represents result of call to ZKClient.getChildren(String, org.apache.zookeeper.Watcher) method.
NodeData	Represents result of call to ZKClient.getData(String, org.apache.zookeeper.Watcher).
OperationFuture<V>	A ListenableFuture that also provides the requested path for a operation.
RetryStrategy	Provides strategy to use for operation retries.
ZKClient	A ZooKeeper client that provides asynchronous zookeeper operations.
ZKClientService	A ZKClient that extends from Service to provide lifecycle management functions.
ZKOperations.Callback<T>	Represents a ZK operation updates callback.
ZKOperations.ChildrenCallback	Interface for defining callback method to receive children nodes updates.
ZKOperations.DataCallback	Interface for defining callback method to receive node data updates.

Class Summary

Class	Description
AbstractZKClient	An abstract base implementation of ZKClient that simplifies implementation by providing forwarding for methods that are meant to be delegated to other methods.
ForwardingZKClient
ForwardingZKClientService
RetryStrategies	Factory for creating common RetryStrategy implementation.
ZKClients	Utility class to create ZKClient instances.
ZKClientService.Builder	Builder for creating an implementation of ZKClientService.
ZKClientServices	Provides static factory method to create ZKClientService with modified behaviors.
ZKOperations	Collection of helper methods for common operations that usually needed when interacting with ZooKeeper.

Enum Summary

Enum	Description
RetryStrategy.OperationType	Defines ZooKeeper operation type that triggers retry.

Package org.apache.twill.zookeeper Description

This package provides functionality for ZooKeeper interactions.