voldemort.server.protocol.admin
Class FullScanFetchEntriesRequestHandler

java.lang.Object
  voldemort.server.protocol.admin.FetchStreamRequestHandler
      voldemort.server.protocol.admin.FullScanFetchStreamRequestHandler
          voldemort.server.protocol.admin.FullScanFetchEntriesRequestHandler

All Implemented Interfaces:

StreamRequestHandler

public class FullScanFetchEntriesRequestHandler
extends FullScanFetchStreamRequestHandler

Fetches entries by scanning entire storage engine in storage-order.

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

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

keyIterator, partitionFetches, partitionsToFetch

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

errorCodeMapper, fetched, fetchOrphaned, filter, initialCluster, isJmxEnabled, logger, nodeId, operation, partitionIds, recordsPerPartition, request, scanned, startTimeMs, storageEngine, storeDef, storeInstance, streamStats, throttler

Fields inherited from interface voldemort.server.protocol.StreamRequestHandler

STAT_RECORDS_INTERVAL

Constructor Summary

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

Method Summary

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.FullScanFetchStreamRequestHandler

accountForFetchedKey, close, determineRequestHandlerState, fetchedEnoughForAllPartitions, isItemAccepted, isKeyNeeded

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

accountForScanProgress, getDirection, handleError, progressInfoMessage, reportStorageOpTime, sendMessage

Methods inherited from class java.lang.Object

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

Constructor Detail

FullScanFetchEntriesRequestHandler

public FullScanFetchEntriesRequestHandler(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