org.apache.hadoop.hdfs.protocol.proto

Class JournalProtocolProtos.JournalProtocolService

java.lang.Object

org.apache.hadoop.hdfs.protocol.proto.JournalProtocolProtos.JournalProtocolService

All Implemented Interfaces:

com.google.protobuf.Service

Direct Known Subclasses:

JournalProtocolProtos.JournalProtocolService.Stub

Enclosing class:

JournalProtocolProtos

public abstract static class JournalProtocolProtos.JournalProtocolService
extends Object
implements com.google.protobuf.Service

Protobuf service hadoop.hdfs.JournalProtocolService

 Protocol used to journal edits to a remote node. Currently,
 this is used to publish edits from the NameNode to a BackupNode.

 See the request and response for details of rpc call.
 

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	JournalProtocolProtos.JournalProtocolService.BlockingInterface
static interface	JournalProtocolProtos.JournalProtocolService.Interface
static class	JournalProtocolProtos.JournalProtocolService.Stub

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	JournalProtocolProtos.JournalProtocolService()

Method Summary

Methods

Modifier and Type	Method and Description
void	callMethod(com.google.protobuf.Descriptors.MethodDescriptor method, com.google.protobuf.RpcController controller, com.google.protobuf.Message request, com.google.protobuf.RpcCallback<com.google.protobuf.Message> done)
abstract void	fence(com.google.protobuf.RpcController controller, JournalProtocolProtos.FenceRequestProto request, com.google.protobuf.RpcCallback<JournalProtocolProtos.FenceResponseProto> done) rpc fence(.hadoop.hdfs.FenceRequestProto) returns (.hadoop.hdfs.FenceResponseProto);
static com.google.protobuf.Descriptors.ServiceDescriptor	getDescriptor()
com.google.protobuf.Descriptors.ServiceDescriptor	getDescriptorForType()
com.google.protobuf.Message	getRequestPrototype(com.google.protobuf.Descriptors.MethodDescriptor method)
com.google.protobuf.Message	getResponsePrototype(com.google.protobuf.Descriptors.MethodDescriptor method)
abstract void	journal(com.google.protobuf.RpcController controller, JournalProtocolProtos.JournalRequestProto request, com.google.protobuf.RpcCallback<JournalProtocolProtos.JournalResponseProto> done) rpc journal(.hadoop.hdfs.JournalRequestProto) returns (.hadoop.hdfs.JournalResponseProto);
static JournalProtocolProtos.JournalProtocolService.BlockingInterface	newBlockingStub(com.google.protobuf.BlockingRpcChannel channel)
static com.google.protobuf.BlockingService	newReflectiveBlockingService(JournalProtocolProtos.JournalProtocolService.BlockingInterface impl)
static com.google.protobuf.Service	newReflectiveService(JournalProtocolProtos.JournalProtocolService.Interface impl)
static JournalProtocolProtos.JournalProtocolService.Stub	newStub(com.google.protobuf.RpcChannel channel)
abstract void	startLogSegment(com.google.protobuf.RpcController controller, JournalProtocolProtos.StartLogSegmentRequestProto request, com.google.protobuf.RpcCallback<JournalProtocolProtos.StartLogSegmentResponseProto> done) rpc startLogSegment(.hadoop.hdfs.StartLogSegmentRequestProto) returns (.hadoop.hdfs.StartLogSegmentResponseProto);

Methods inherited from class java.lang.Object

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

Constructor Detail

JournalProtocolProtos.JournalProtocolService

protected JournalProtocolProtos.JournalProtocolService()

Method Detail

newReflectiveService

public static com.google.protobuf.Service newReflectiveService(JournalProtocolProtos.JournalProtocolService.Interface impl)

newReflectiveBlockingService

public static com.google.protobuf.BlockingService newReflectiveBlockingService(JournalProtocolProtos.JournalProtocolService.BlockingInterface impl)

journal

public abstract void journal(com.google.protobuf.RpcController controller,
           JournalProtocolProtos.JournalRequestProto request,
           com.google.protobuf.RpcCallback<JournalProtocolProtos.JournalResponseProto> done)

rpc journal(.hadoop.hdfs.JournalRequestProto) returns (.hadoop.hdfs.JournalResponseProto);

 Request sent by active namenode to backup node via 
 EditLogBackupOutputStream to stream editlog records.
 

startLogSegment

public abstract void startLogSegment(com.google.protobuf.RpcController controller,
                   JournalProtocolProtos.StartLogSegmentRequestProto request,
                   com.google.protobuf.RpcCallback<JournalProtocolProtos.StartLogSegmentResponseProto> done)

rpc startLogSegment(.hadoop.hdfs.StartLogSegmentRequestProto) returns (.hadoop.hdfs.StartLogSegmentResponseProto);

 Request sent by active namenode to backup node to notify 
 that the NameNode has rolled its edit logs and is now writing a 
 new log segment.
 

fence

public abstract void fence(com.google.protobuf.RpcController controller,
         JournalProtocolProtos.FenceRequestProto request,
         com.google.protobuf.RpcCallback<JournalProtocolProtos.FenceResponseProto> done)

rpc fence(.hadoop.hdfs.FenceRequestProto) returns (.hadoop.hdfs.FenceResponseProto);

 Request to fence a journal receiver.
 

getDescriptor

public static final com.google.protobuf.Descriptors.ServiceDescriptor getDescriptor()

getDescriptorForType

public final com.google.protobuf.Descriptors.ServiceDescriptor getDescriptorForType()

Specified by:

getDescriptorForType in interface com.google.protobuf.Service

callMethod

public final void callMethod(com.google.protobuf.Descriptors.MethodDescriptor method,
              com.google.protobuf.RpcController controller,
              com.google.protobuf.Message request,
              com.google.protobuf.RpcCallback<com.google.protobuf.Message> done)

Specified by:

callMethod in interface com.google.protobuf.Service

getRequestPrototype

public final com.google.protobuf.Message getRequestPrototype(com.google.protobuf.Descriptors.MethodDescriptor method)

Specified by:

getRequestPrototype in interface com.google.protobuf.Service

getResponsePrototype

public final com.google.protobuf.Message getResponsePrototype(com.google.protobuf.Descriptors.MethodDescriptor method)

Specified by:

getResponsePrototype in interface com.google.protobuf.Service

newStub

public static JournalProtocolProtos.JournalProtocolService.Stub newStub(com.google.protobuf.RpcChannel channel)

newBlockingStub

public static JournalProtocolProtos.JournalProtocolService.BlockingInterface newBlockingStub(com.google.protobuf.BlockingRpcChannel channel)