org.tikv.common.operation

Class KVErrorHandler<RespT>

java.lang.Object

org.tikv.common.operation.KVErrorHandler<RespT>

All Implemented Interfaces:

ErrorHandler<RespT>

public class KVErrorHandler<RespT>
extends Object
implements ErrorHandler<RespT>

Constructor Summary

Constructors

Constructor and Description
KVErrorHandler(RegionManager regionManager, RegionErrorReceiver recv, AbstractLockResolverClient lockResolverClient, Function<RespT,Errorpb.Error> getRegionError, Function<RespT,Kvrpcpb.KeyError> getKeyError, Function<ResolveLockResult,Object> resolveLockResultCallback, long callerStartTS, boolean forWrite)

Method Summary

Modifier and Type	Method and Description
boolean	handleRequestError(BackOffer backOffer, Exception e) Handle the error received during a calling process before it could return a normal response.
boolean	handleResponseError(BackOffer backOffer, RespT resp) Handle the error received in the response after a calling process completes.

Methods inherited from class java.lang.Object

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

Constructor Detail

KVErrorHandler

public KVErrorHandler(RegionManager regionManager,
                      RegionErrorReceiver recv,
                      AbstractLockResolverClient lockResolverClient,
                      Function<RespT,Errorpb.Error> getRegionError,
                      Function<RespT,Kvrpcpb.KeyError> getKeyError,
                      Function<ResolveLockResult,Object> resolveLockResultCallback,
                      long callerStartTS,
                      boolean forWrite)

Method Detail

handleResponseError

public boolean handleResponseError(BackOffer backOffer,
                                   RespT resp)

Description copied from interface: ErrorHandler

Handle the error received in the response after a calling process completes.

Specified by:

handleResponseError in interface ErrorHandler<RespT>

Parameters:

backOffer - Back offer used for retry

resp - the response to handle

Returns:

true: client should retry

handleRequestError

public boolean handleRequestError(BackOffer backOffer,
                                  Exception e)

Description copied from interface: ErrorHandler

Handle the error received during a calling process before it could return a normal response.

Specified by:

handleRequestError in interface ErrorHandler<RespT>

Parameters:

backOffer - Back offer used for retry

e - Exception received during a calling process

Returns:

whether the caller should retry