alluxio.thrift

Interface KeyValueWorkerClientService.Iface

All Superinterfaces:

AlluxioService.Iface

All Known Implementing Classes:

KeyValueWorkerClientService.Client, KeyValueWorkerClientServiceHandler

Enclosing class:

KeyValueWorkerClientService

public static interface KeyValueWorkerClientService.Iface
extends AlluxioService.Iface

Method Summary

Modifier and Type	Method and Description
GetTResponse	get(long blockId, ByteBuffer key, GetTOptions options) Looks up a key in the block with the given block id.
GetNextKeysTResponse	getNextKeys(long blockId, ByteBuffer key, int numKeys, GetNextKeysTOptions options) Gets a batch of keys next to the given key in the partition.
GetSizeTResponse	getSize(long blockId, GetSizeTOptions options) Gets the number of key-value pairs in the partition.

Methods inherited from interface alluxio.thrift.AlluxioService.Iface

getServiceVersion

Method Detail

get

GetTResponse get(long blockId,
                 ByteBuffer key,
                 GetTOptions options)
          throws AlluxioTException,
                 org.apache.thrift.TException

Looks up a key in the block with the given block id.

Parameters:

blockId - the id of the block being accessed

key - binary of the key

options - the method options

Throws:

AlluxioTException

org.apache.thrift.TException

getNextKeys

GetNextKeysTResponse getNextKeys(long blockId,
                                 ByteBuffer key,
                                 int numKeys,
                                 GetNextKeysTOptions options)
                          throws AlluxioTException,
                                 org.apache.thrift.TException

Gets a batch of keys next to the given key in the partition. If current key is null, it means get the initial batch of keys. If there are no more next keys, an empty list is returned.

Parameters:

blockId - the id of the partition

key - current key

numKeys - maximum number of keys to get

options - the method options

Throws:

AlluxioTException

org.apache.thrift.TException

getSize

GetSizeTResponse getSize(long blockId,
                         GetSizeTOptions options)
                  throws AlluxioTException,
                         org.apache.thrift.TException

Gets the number of key-value pairs in the partition.

Parameters:

blockId - the id of the partition

options - the method options

Throws:

AlluxioTException

org.apache.thrift.TException