voldemort.server.protocol.admin
Class FetchEntriesStreamRequestHandler

java.lang.Object
  voldemort.server.protocol.admin.FetchStreamRequestHandler
      voldemort.server.protocol.admin.FetchEntriesStreamRequestHandler

All Implemented Interfaces:

StreamRequestHandler

public class FetchEntriesStreamRequestHandler
extends FetchStreamRequestHandler

FetchEntries fetches and return key/value entry.

For performance reason use storageEngine.keys() iterator to filter out unwanted keys and then call storageEngine.get() for valid keys.

Nested Class Summary

Nested classes/interfaces inherited from interface voldemort.server.protocol.StreamRequestHandler

StreamRequestHandler.StreamRequestDirection, StreamRequestHandler.StreamRequestHandlerState

Field Summary

protected ClosableIterator<ByteArray>

keyIterator

Fields inherited from class voldemort.server.protocol.admin.FetchStreamRequestHandler

counter, errorCodeMapper, fetched, fetchOrphaned, filter, initialCluster, isJmxEnabled, logger, nodeId, operation, replicaToPartitionList, request, skipRecords, startTime, storageEngine, storeDef, streamStats, throttler

Fields inherited from interface voldemort.server.protocol.StreamRequestHandler

STAT_RECORDS_INTERVAL

Constructor Summary

FetchEntriesStreamRequestHandler(VAdminProto.FetchPartitionEntriesRequest request, MetadataStore metadataStore, ErrorCodeMapper errorCodeMapper, VoldemortConfig voldemortConfig, StoreRepository storeRepository, NetworkClassLoader networkClassLoader)

Method Summary

void	close(java.io.DataOutputStream outputStream)
StreamRequestHandler.StreamRequestHandlerState	handleRequest(java.io.DataInputStream inputStream, java.io.DataOutputStream outputStream) Handles a "segment" of a streaming request.

Methods inherited from class voldemort.server.protocol.admin.FetchStreamRequestHandler

getDirection, handleError

Methods inherited from class java.lang.Object

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

Field Detail

keyIterator

protected final ClosableIterator<ByteArray> keyIterator

Constructor Detail

FetchEntriesStreamRequestHandler

public FetchEntriesStreamRequestHandler(VAdminProto.FetchPartitionEntriesRequest request,
                                        MetadataStore metadataStore,
                                        ErrorCodeMapper errorCodeMapper,
                                        VoldemortConfig voldemortConfig,
                                        StoreRepository storeRepository,
                                        NetworkClassLoader networkClassLoader)

Method Detail

handleRequest

public StreamRequestHandler.StreamRequestHandlerState handleRequest(java.io.DataInputStream inputStream,
                                                                    java.io.DataOutputStream outputStream)
                                                             throws java.io.IOException

Description copied from interface: StreamRequestHandler

Handles a "segment" of a streaming request.

Returns:

StreamRequestHandler.StreamRequestHandlerState

Throws:

java.io.IOException

close

public final void close(java.io.DataOutputStream outputStream)
                 throws java.io.IOException

Specified by:

close in interface StreamRequestHandler

Overrides:

close in class FetchStreamRequestHandler

Throws:

java.io.IOException