Uses of Interface
org.apache.hadoop.hbase.CellScanner

Packages that use CellScanner

Package	Description
org.apache.hadoop.hbase
org.apache.hadoop.hbase.client	Provides HBase Client
org.apache.hadoop.hbase.codec
org.apache.hadoop.hbase.io
org.apache.hadoop.hbase.ipc	Tools to help define network clients and servers.
org.apache.hadoop.hbase.regionserver
org.apache.hadoop.hbase.regionserver.wal
org.apache.hadoop.hbase.replication	Multi Cluster Replication
org.apache.hadoop.hbase.replication.regionserver
org.apache.hadoop.hbase.wal

Uses of CellScanner in org.apache.hadoop.hbase

Methods in org.apache.hadoop.hbase that return CellScanner

Modifier and Type	Method and Description
CellScanner	CellScannable.cellScanner() Returns A CellScanner over the contained Cells
static CellScanner	CellUtil.createCellScanner(Cell[] cellArray) Return CellScanner interface over cellArray
static CellScanner	CellUtil.createCellScanner(Iterable<Cell> cellIterable) Return CellScanner interface over cellIterable
static CellScanner	CellUtil.createCellScanner(Iterator<Cell> cells) Return CellScanner interface over cellIterable or null if cells is null
static CellScanner	CellUtil.createCellScanner(List<? extends CellScannable> cellScannerables) Return CellScanner interface over cellIterables
static CellScanner	CellUtil.createCellScanner(NavigableMap<byte[],List<Cell>> map) Flatten the map of cells out under the CellScanner

Uses of CellScanner in org.apache.hadoop.hbase.client

Classes in org.apache.hadoop.hbase.client that implement CellScanner

Modifier and Type	Class and Description
class	Result Single row result of a Get or Scan query.

Methods in org.apache.hadoop.hbase.client that return CellScanner

Modifier and Type	Method and Description
CellScanner	Mutation.cellScanner()
CellScanner	Result.cellScanner()
protected CellScanner	RegionServerCallable.getRpcControllerCellScanner() Get the RpcController CellScanner.

Methods in org.apache.hadoop.hbase.client with parameters of type CellScanner

Modifier and Type	Method and Description
protected void	RegionServerCallable.setRpcControllerCellScanner(CellScanner cellScanner)

Uses of CellScanner in org.apache.hadoop.hbase.codec

Subinterfaces of CellScanner in org.apache.hadoop.hbase.codec

Modifier and Type	Interface and Description
static interface	Codec.Decoder Implementations should implicitly clean up any resources allocated when the Decoder/CellScanner runs off the end of the cell block.

Classes in org.apache.hadoop.hbase.codec that implement CellScanner

Modifier and Type	Class and Description
class	BaseDecoder TODO javadoc
(package private) static class	CellCodec.CellDecoder
(package private) static class	CellCodecWithTags.CellDecoder
static class	KeyValueCodec.ByteBuffKeyValueDecoder
static class	KeyValueCodec.KeyValueDecoder
static class	KeyValueCodecWithTags.ByteBuffKeyValueDecoder
static class	KeyValueCodecWithTags.KeyValueDecoder
(package private) static class	MessageCodec.MessageDecoder

Uses of CellScanner in org.apache.hadoop.hbase.io

Subinterfaces of CellScanner in org.apache.hadoop.hbase.io

Modifier and Type	Interface and Description
interface	SizedCellScanner A CellScanner that knows its size in memory in bytes.

Uses of CellScanner in org.apache.hadoop.hbase.ipc

Fields in org.apache.hadoop.hbase.ipc declared as CellScanner

Modifier and Type	Field and Description
(package private) CellScanner	Call.cells Optionally has cells when making call.
protected CellScanner	ServerCall.cellScanner
private CellScanner	HBaseRpcControllerImpl.cellScanner They are optionally set on construction, cleared after we make the call, and then optionally set on response with the result.

Methods in org.apache.hadoop.hbase.ipc that return CellScanner

Modifier and Type	Method and Description
CellScanner	HBaseRpcControllerImpl.cellScanner() Returns One-shot cell scanner (you cannot back it up and restart)
CellScanner	DelegatingHBaseRpcController.cellScanner()
CellScanner	CellBlockBuilder.createCellScanner(Codec codec, org.apache.hadoop.io.compress.CompressionCodec compressor, byte[] cellBlock) Create a cell scanner.
CellScanner	CellBlockBuilder.createCellScannerReusingBuffers(Codec codec, org.apache.hadoop.io.compress.CompressionCodec compressor, ByteBuff cellBlock) Create a cell scanner using an existing bytebuff.
CellScanner	RpcCall.getCellScanner() Returns The CellScanner that can carry input and result payload.
CellScanner	ServerCall.getCellScanner()

Methods in org.apache.hadoop.hbase.ipc that return types with arguments of type CellScanner

Modifier and Type	Method and Description
Pair<org.apache.hbase.thirdparty.com.google.protobuf.Message,CellScanner>	SimpleRpcServer.call(org.apache.hbase.thirdparty.com.google.protobuf.BlockingService service, org.apache.hbase.thirdparty.com.google.protobuf.Descriptors.MethodDescriptor md, org.apache.hbase.thirdparty.com.google.protobuf.Message param, CellScanner cellScanner, long receiveTime, MonitoredRPCHandler status) Deprecated.
Pair<org.apache.hbase.thirdparty.com.google.protobuf.Message,CellScanner>	NettyRpcServer.call(org.apache.hbase.thirdparty.com.google.protobuf.BlockingService service, org.apache.hbase.thirdparty.com.google.protobuf.Descriptors.MethodDescriptor md, org.apache.hbase.thirdparty.com.google.protobuf.Message param, CellScanner cellScanner, long receiveTime, MonitoredRPCHandler status)
Pair<org.apache.hbase.thirdparty.com.google.protobuf.Message,CellScanner>	RpcServerInterface.call(org.apache.hbase.thirdparty.com.google.protobuf.BlockingService service, org.apache.hbase.thirdparty.com.google.protobuf.Descriptors.MethodDescriptor md, org.apache.hbase.thirdparty.com.google.protobuf.Message param, CellScanner cellScanner, long receiveTime, MonitoredRPCHandler status) Deprecated. As of release 1.3, this will be removed in HBase 3.0
Pair<org.apache.hbase.thirdparty.com.google.protobuf.Message,CellScanner>	SimpleRpcServer.call(org.apache.hbase.thirdparty.com.google.protobuf.BlockingService service, org.apache.hbase.thirdparty.com.google.protobuf.Descriptors.MethodDescriptor md, org.apache.hbase.thirdparty.com.google.protobuf.Message param, CellScanner cellScanner, long receiveTime, MonitoredRPCHandler status, long startTime, int timeout) Deprecated.
Pair<org.apache.hbase.thirdparty.com.google.protobuf.Message,CellScanner>	NettyRpcServer.call(org.apache.hbase.thirdparty.com.google.protobuf.BlockingService service, org.apache.hbase.thirdparty.com.google.protobuf.Descriptors.MethodDescriptor md, org.apache.hbase.thirdparty.com.google.protobuf.Message param, CellScanner cellScanner, long receiveTime, MonitoredRPCHandler status, long startTime, int timeout)
Pair<org.apache.hbase.thirdparty.com.google.protobuf.Message,CellScanner>	RpcServerInterface.call(org.apache.hbase.thirdparty.com.google.protobuf.BlockingService service, org.apache.hbase.thirdparty.com.google.protobuf.Descriptors.MethodDescriptor md, org.apache.hbase.thirdparty.com.google.protobuf.Message param, CellScanner cellScanner, long receiveTime, MonitoredRPCHandler status, long startTime, int timeout) Deprecated. As of release 2.0, this will be removed in HBase 3.0
Pair<org.apache.hbase.thirdparty.com.google.protobuf.Message,CellScanner>	RpcServerInterface.call(RpcCall call, MonitoredRPCHandler status)
Pair<org.apache.hbase.thirdparty.com.google.protobuf.Message,CellScanner>	RpcServer.call(RpcCall call, MonitoredRPCHandler status) This is a server side method, which is invoked over RPC.

Methods in org.apache.hadoop.hbase.ipc with parameters of type CellScanner

Modifier and Type	Method and Description
ByteBuffer	CellBlockBuilder.buildCellBlock(Codec codec, org.apache.hadoop.io.compress.CompressionCodec compressor, CellScanner cellScanner) Puts CellScanner Cells into a cell block using passed in codec and/or compressor.
org.apache.hbase.thirdparty.io.netty.buffer.ByteBuf	CellBlockBuilder.buildCellBlock(Codec codec, org.apache.hadoop.io.compress.CompressionCodec compressor, CellScanner cellScanner, org.apache.hbase.thirdparty.io.netty.buffer.ByteBufAllocator alloc)
private boolean	CellBlockBuilder.buildCellBlock(Codec codec, org.apache.hadoop.io.compress.CompressionCodec compressor, CellScanner cellScanner, CellBlockBuilder.OutputStreamSupplier supplier)
ByteBufferListOutputStream	CellBlockBuilder.buildCellBlockStream(Codec codec, org.apache.hadoop.io.compress.CompressionCodec compressor, CellScanner cellScanner, ByteBuffAllocator allocator) Puts CellScanner Cells into a cell block using passed in codec and/or compressor.
Pair<org.apache.hbase.thirdparty.com.google.protobuf.Message,CellScanner>	SimpleRpcServer.call(org.apache.hbase.thirdparty.com.google.protobuf.BlockingService service, org.apache.hbase.thirdparty.com.google.protobuf.Descriptors.MethodDescriptor md, org.apache.hbase.thirdparty.com.google.protobuf.Message param, CellScanner cellScanner, long receiveTime, MonitoredRPCHandler status) Deprecated.
Pair<org.apache.hbase.thirdparty.com.google.protobuf.Message,CellScanner>	NettyRpcServer.call(org.apache.hbase.thirdparty.com.google.protobuf.BlockingService service, org.apache.hbase.thirdparty.com.google.protobuf.Descriptors.MethodDescriptor md, org.apache.hbase.thirdparty.com.google.protobuf.Message param, CellScanner cellScanner, long receiveTime, MonitoredRPCHandler status)
Pair<org.apache.hbase.thirdparty.com.google.protobuf.Message,CellScanner>	RpcServerInterface.call(org.apache.hbase.thirdparty.com.google.protobuf.BlockingService service, org.apache.hbase.thirdparty.com.google.protobuf.Descriptors.MethodDescriptor md, org.apache.hbase.thirdparty.com.google.protobuf.Message param, CellScanner cellScanner, long receiveTime, MonitoredRPCHandler status) Deprecated. As of release 1.3, this will be removed in HBase 3.0
Pair<org.apache.hbase.thirdparty.com.google.protobuf.Message,CellScanner>	SimpleRpcServer.call(org.apache.hbase.thirdparty.com.google.protobuf.BlockingService service, org.apache.hbase.thirdparty.com.google.protobuf.Descriptors.MethodDescriptor md, org.apache.hbase.thirdparty.com.google.protobuf.Message param, CellScanner cellScanner, long receiveTime, MonitoredRPCHandler status, long startTime, int timeout) Deprecated.
Pair<org.apache.hbase.thirdparty.com.google.protobuf.Message,CellScanner>	NettyRpcServer.call(org.apache.hbase.thirdparty.com.google.protobuf.BlockingService service, org.apache.hbase.thirdparty.com.google.protobuf.Descriptors.MethodDescriptor md, org.apache.hbase.thirdparty.com.google.protobuf.Message param, CellScanner cellScanner, long receiveTime, MonitoredRPCHandler status, long startTime, int timeout)
Pair<org.apache.hbase.thirdparty.com.google.protobuf.Message,CellScanner>	RpcServerInterface.call(org.apache.hbase.thirdparty.com.google.protobuf.BlockingService service, org.apache.hbase.thirdparty.com.google.protobuf.Descriptors.MethodDescriptor md, org.apache.hbase.thirdparty.com.google.protobuf.Message param, CellScanner cellScanner, long receiveTime, MonitoredRPCHandler status, long startTime, int timeout) Deprecated. As of release 2.0, this will be removed in HBase 3.0
NettyServerCall	NettyServerRpcConnection.createCall(int id, org.apache.hbase.thirdparty.com.google.protobuf.BlockingService service, org.apache.hbase.thirdparty.com.google.protobuf.Descriptors.MethodDescriptor md, org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.RequestHeader header, org.apache.hbase.thirdparty.com.google.protobuf.Message param, CellScanner cellScanner, long size, InetAddress remoteAddress, int timeout, RpcServer.CallCleanup reqCleanup)
SimpleServerCall	SimpleServerRpcConnection.createCall(int id, org.apache.hbase.thirdparty.com.google.protobuf.BlockingService service, org.apache.hbase.thirdparty.com.google.protobuf.Descriptors.MethodDescriptor md, org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.RequestHeader header, org.apache.hbase.thirdparty.com.google.protobuf.Message param, CellScanner cellScanner, long size, InetAddress remoteAddress, int timeout, RpcServer.CallCleanup reqCleanup) Deprecated.
abstract ServerCall<?>	ServerRpcConnection.createCall(int id, org.apache.hbase.thirdparty.com.google.protobuf.BlockingService service, org.apache.hbase.thirdparty.com.google.protobuf.Descriptors.MethodDescriptor md, org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.RequestHeader header, org.apache.hbase.thirdparty.com.google.protobuf.Message param, CellScanner cellScanner, long size, InetAddress remoteAddress, int timeout, RpcServer.CallCleanup reqCleanup)
private void	CellBlockBuilder.encodeCellsTo(OutputStream os, CellScanner cellScanner, Codec codec, org.apache.hadoop.io.compress.CompressionCodec compressor)
HBaseRpcController	RpcControllerFactory.newController(CellScanner cellScanner)
HBaseRpcController	RpcControllerFactory.newController(RegionInfo regionInfo, CellScanner cellScanner)
void	HBaseRpcControllerImpl.setCellScanner(CellScanner cellScanner)
void	DelegatingHBaseRpcController.setCellScanner(CellScanner cellScanner)
void	HBaseRpcController.setCellScanner(CellScanner cellScanner) Only used to send cells to rpc server, the returned cells should be set by HBaseRpcController.setDone(CellScanner).
void	HBaseRpcControllerImpl.setDone(CellScanner cellScanner)
void	DelegatingHBaseRpcController.setDone(CellScanner cellScanner)
void	HBaseRpcController.setDone(CellScanner cellScanner) IMPORTANT: always call this method if the call finished without any exception to tell the HBaseRpcController that we are done.
void	Call.setResponse(org.apache.hbase.thirdparty.com.google.protobuf.Message response, CellScanner cells) Set the return value when there is no error.
void	RpcCall.setResponse(org.apache.hbase.thirdparty.com.google.protobuf.Message param, CellScanner cells, Throwable errorThrowable, String error) Set the response resulting from this RPC call.
void	ServerCall.setResponse(org.apache.hbase.thirdparty.com.google.protobuf.Message m, CellScanner cells, Throwable t, String errorMsg)

Constructors in org.apache.hadoop.hbase.ipc with parameters of type CellScanner

Constructor and Description
Call(int id, org.apache.hbase.thirdparty.com.google.protobuf.Descriptors.MethodDescriptor md, org.apache.hbase.thirdparty.com.google.protobuf.Message param, CellScanner cells, org.apache.hbase.thirdparty.com.google.protobuf.Message responseDefaultType, int timeout, int priority, org.apache.hbase.thirdparty.com.google.protobuf.RpcCallback<Call> callback, MetricsConnection.CallStats callStats)
HBaseRpcControllerImpl(CellScanner cellScanner) Used server-side.
HBaseRpcControllerImpl(RegionInfo regionInfo, CellScanner cellScanner)
NettyServerCall(int id, org.apache.hbase.thirdparty.com.google.protobuf.BlockingService service, org.apache.hbase.thirdparty.com.google.protobuf.Descriptors.MethodDescriptor md, org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.RequestHeader header, org.apache.hbase.thirdparty.com.google.protobuf.Message param, CellScanner cellScanner, NettyServerRpcConnection connection, long size, InetAddress remoteAddress, long receiveTime, int timeout, ByteBuffAllocator bbAllocator, CellBlockBuilder cellBlockBuilder, RpcServer.CallCleanup reqCleanup)
ServerCall(int id, org.apache.hbase.thirdparty.com.google.protobuf.BlockingService service, org.apache.hbase.thirdparty.com.google.protobuf.Descriptors.MethodDescriptor md, org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.RequestHeader header, org.apache.hbase.thirdparty.com.google.protobuf.Message param, CellScanner cellScanner, T connection, long size, InetAddress remoteAddress, long receiveTime, int timeout, ByteBuffAllocator byteBuffAllocator, CellBlockBuilder cellBlockBuilder, RpcServer.CallCleanup reqCleanup)
SimpleServerCall(int id, org.apache.hbase.thirdparty.com.google.protobuf.BlockingService service, org.apache.hbase.thirdparty.com.google.protobuf.Descriptors.MethodDescriptor md, org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.RequestHeader header, org.apache.hbase.thirdparty.com.google.protobuf.Message param, CellScanner cellScanner, SimpleServerRpcConnection connection, long size, InetAddress remoteAddress, long receiveTime, int timeout, ByteBuffAllocator bbAllocator, CellBlockBuilder cellBlockBuilder, RpcServer.CallCleanup reqCleanup, SimpleRpcServerResponder responder) Deprecated.

Uses of CellScanner in org.apache.hadoop.hbase.regionserver

Methods in org.apache.hadoop.hbase.regionserver with parameters of type CellScanner

Modifier and Type	Method and Description
private Result	RSRpcServices.append(HRegion region, OperationQuota quota, org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos.MutationProto mutation, CellScanner cellScanner, long nonceGroup, ActivePolicyEnforcement spaceQuota) Execute an append mutation.
private CheckAndMutateResult	RSRpcServices.checkAndMutate(HRegion region, List<org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos.Action> actions, CellScanner cellScanner, org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos.Condition condition, long nonceGroup, ActivePolicyEnforcement spaceQuotaEnforcement)
private CheckAndMutateResult	RSRpcServices.checkAndMutate(HRegion region, OperationQuota quota, org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos.MutationProto mutation, CellScanner cellScanner, org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos.Condition condition, long nonceGroup, ActivePolicyEnforcement spaceQuota)
private void	RSRpcServices.delete(HRegion region, OperationQuota quota, org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos.MutationProto mutation, CellScanner cellScanner, ActivePolicyEnforcement spaceQuota)
private void	RSRpcServices.doAtomicBatchOp(org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos.RegionActionResult.Builder builder, HRegion region, OperationQuota quota, List<org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos.Action> mutations, CellScanner cells, long nonceGroup, ActivePolicyEnforcement spaceQuotaEnforcement)
private void	RSRpcServices.doBatchOp(org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos.RegionActionResult.Builder builder, HRegion region, OperationQuota quota, List<org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos.Action> mutations, CellScanner cells, long nonceGroup, ActivePolicyEnforcement spaceQuotaEnforcement, boolean atomic) Execute a list of mutations.
private void	RSRpcServices.doNonAtomicBatchOp(org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos.RegionActionResult.Builder builder, HRegion region, OperationQuota quota, List<org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos.Action> mutations, CellScanner cells, ActivePolicyEnforcement spaceQuotaEnforcement)
private List<CellScannable>	RSRpcServices.doNonAtomicRegionMutation(HRegion region, OperationQuota quota, org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos.RegionAction actions, CellScanner cellScanner, org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos.RegionActionResult.Builder builder, List<CellScannable> cellsToReturn, long nonceGroup, RSRpcServices.RegionScannersCloseCallBack closeCallBack, RpcCallContext context, ActivePolicyEnforcement spaceQuotaEnforcement) Run through the regionMutation rm and per Mutation, do the work, and then when done, add an instance of a ClientProtos.ResultOrException that corresponds to each Mutation.
private void	RSRpcServices.failRegionAction(org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos.MultiResponse.Builder responseBuilder, org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos.RegionActionResult.Builder regionActionResultBuilder, org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos.RegionAction regionAction, CellScanner cellScanner, Throwable error)
private Result	RSRpcServices.increment(HRegion region, OperationQuota quota, org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos.MutationProto mutation, CellScanner cells, long nonceGroup, ActivePolicyEnforcement spaceQuota) Execute an increment mutation.
private void	RSRpcServices.put(HRegion region, OperationQuota quota, org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos.MutationProto mutation, CellScanner cellScanner, ActivePolicyEnforcement spaceQuota)
void	ReplicationSinkService.replicateLogEntries(List<org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.WALEntry> entries, CellScanner cells, String replicationClusterId, String sourceBaseNamespaceDirPath, String sourceHFileArchiveDirPath) Carry on the list of log entries down to the sink
private void	RSRpcServices.skipCellsForMutation(org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos.Action action, CellScanner cellScanner)
private void	RSRpcServices.skipCellsForMutations(List<org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos.Action> actions, CellScanner cellScanner)

Uses of CellScanner in org.apache.hadoop.hbase.regionserver.wal

Classes in org.apache.hadoop.hbase.regionserver.wal that implement CellScanner

Modifier and Type	Class and Description
(package private) static class	SecureWALCellCodec.EncryptedKvDecoder
(package private) static class	WALCellCodec.CompressedKvDecoder

Uses of CellScanner in org.apache.hadoop.hbase.replication

Methods in org.apache.hadoop.hbase.replication with parameters of type CellScanner

Modifier and Type	Method and Description
void	ReplicationSinkServiceImpl.replicateLogEntries(List<org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.WALEntry> entries, CellScanner cells, String replicationClusterId, String sourceBaseNamespaceDirPath, String sourceHFileArchiveDirPath)

Uses of CellScanner in org.apache.hadoop.hbase.replication.regionserver

Methods in org.apache.hadoop.hbase.replication.regionserver with parameters of type CellScanner

Modifier and Type	Method and Description
void	ReplicationSink.replicateEntries(List<org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.WALEntry> entries, CellScanner cells, String replicationClusterId, String sourceBaseNamespaceDirPath, String sourceHFileArchiveDirPath) Replicate this array of entries directly into the local cluster using the native client.
void	Replication.replicateLogEntries(List<org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.WALEntry> entries, CellScanner cells, String replicationClusterId, String sourceBaseNamespaceDirPath, String sourceHFileArchiveDirPath) Carry on the list of log entries down to the sink

Uses of CellScanner in org.apache.hadoop.hbase.wal

Methods in org.apache.hadoop.hbase.wal with parameters of type CellScanner

Modifier and Type	Method and Description
static List<WALSplitUtil.MutationReplay>	WALSplitUtil.getMutationsFromWALEntry(org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.WALEntry entry, CellScanner cells, Pair<WALKey,WALEdit> logEntry, Durability durability) This function is used to construct mutations from a WALEntry.