org.apache.ratis.server.impl

Class RaftServerImpl

java.lang.Object

org.apache.ratis.server.impl.RaftServerImpl

All Implemented Interfaces:

RaftClientAsynchronousProtocol, RaftClientProtocol, RaftServerAsynchronousProtocol, RaftServerProtocol

public class RaftServerImpl
extends Object
implements RaftServerProtocol, RaftServerAsynchronousProtocol, RaftClientProtocol, RaftClientAsynchronousProtocol

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.ratis.server.protocol.RaftServerProtocol

RaftServerProtocol.Op

Field Summary

Fields

Modifier and Type	Field and Description
static org.slf4j.Logger	LOG

Method Summary

Modifier and Type	Method and Description
org.apache.ratis.proto.RaftProtos.AppendEntriesReplyProto	appendEntries(org.apache.ratis.proto.RaftProtos.AppendEntriesRequestProto r)
CompletableFuture<org.apache.ratis.proto.RaftProtos.AppendEntriesReplyProto>	appendEntriesAsync(org.apache.ratis.proto.RaftProtos.AppendEntriesRequestProto r)
org.apache.ratis.server.impl.CommitInfoCache	getCommitInfoCache() return ref to the commit info cache.
long[]	getFollowerNextIndices()
RaftPeerId	getId()
LeaderElectionMetrics	getLeaderElectionMetrics()
RaftGroupMemberId	getMemberId()
RaftServerProxy	getProxy()
RaftServerMetrics	getRaftServerMetrics()
RetryCache	getRetryCache()
org.apache.ratis.proto.RaftProtos.RoleInfoProto	getRoleInfoProto()
RaftServerRpc	getServerRpc()
ServerState	getState()
StateMachine	getStateMachine()
org.apache.ratis.proto.RaftProtos.InstallSnapshotReplyProto	installSnapshot(org.apache.ratis.proto.RaftProtos.InstallSnapshotRequestProto request)
boolean	isAlive()
boolean	isCandidate()
boolean	isFollower()
boolean	isLeader()
boolean	isLeaderReady()
void	notifyTruncatedLogEntry(org.apache.ratis.proto.RaftProtos.LogEntryProto logEntry) The given log entry is being truncated.
org.apache.ratis.proto.RaftProtos.RequestVoteReplyProto	requestVote(org.apache.ratis.proto.RaftProtos.RequestVoteRequestProto r)
RaftClientReply	setConfiguration(SetConfigurationRequest request)
CompletableFuture<RaftClientReply>	setConfigurationAsync(SetConfigurationRequest request) Handle a raft configuration change request from client.
void	shutdown(boolean deleteDirectory)
RaftClientReply	submitClientRequest(RaftClientRequest request)
CompletableFuture<RaftClientReply>	submitClientRequestAsync(RaftClientRequest request)
void	submitUpdateCommitEvent()
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

LOG

public static final org.slf4j.Logger LOG

Method Detail

getStateMachine

public StateMachine getStateMachine()

getRetryCache

public RetryCache getRetryCache()

getProxy

public RaftServerProxy getProxy()

getServerRpc

public RaftServerRpc getServerRpc()

getState

public ServerState getState()

getMemberId

public RaftGroupMemberId getMemberId()

getId

public RaftPeerId getId()

shutdown

public void shutdown(boolean deleteDirectory)

isAlive

public boolean isAlive()

isFollower

public boolean isFollower()

isCandidate

public boolean isCandidate()

isLeader

public boolean isLeader()

getCommitInfoCache

public org.apache.ratis.server.impl.CommitInfoCache getCommitInfoCache()

return ref to the commit info cache.

Returns:

commit info cache

getRoleInfoProto

public org.apache.ratis.proto.RaftProtos.RoleInfoProto getRoleInfoProto()

toString

public String toString()

Overrides:

toString in class Object

isLeaderReady

public boolean isLeaderReady()

submitClientRequestAsync

public CompletableFuture<RaftClientReply> submitClientRequestAsync(RaftClientRequest request)
                                                            throws IOException

Specified by:

submitClientRequestAsync in interface RaftClientAsynchronousProtocol

Throws:

IOException

submitClientRequest

public RaftClientReply submitClientRequest(RaftClientRequest request)
                                    throws IOException

Specified by:

submitClientRequest in interface RaftClientProtocol

Throws:

IOException

setConfiguration

public RaftClientReply setConfiguration(SetConfigurationRequest request)
                                 throws IOException

Specified by:

setConfiguration in interface RaftClientProtocol

Throws:

IOException

setConfigurationAsync

public CompletableFuture<RaftClientReply> setConfigurationAsync(SetConfigurationRequest request)
                                                         throws IOException

Handle a raft configuration change request from client.

Specified by:

setConfigurationAsync in interface RaftClientAsynchronousProtocol

Throws:

IOException

requestVote

public org.apache.ratis.proto.RaftProtos.RequestVoteReplyProto requestVote(org.apache.ratis.proto.RaftProtos.RequestVoteRequestProto r)
                                                                    throws IOException

Specified by:

requestVote in interface RaftServerProtocol

Throws:

IOException

appendEntries

public org.apache.ratis.proto.RaftProtos.AppendEntriesReplyProto appendEntries(org.apache.ratis.proto.RaftProtos.AppendEntriesRequestProto r)
                                                                        throws IOException

Specified by:

appendEntries in interface RaftServerProtocol

Throws:

IOException

appendEntriesAsync

public CompletableFuture<org.apache.ratis.proto.RaftProtos.AppendEntriesReplyProto> appendEntriesAsync(org.apache.ratis.proto.RaftProtos.AppendEntriesRequestProto r)
                                                                                                throws IOException

Specified by:

appendEntriesAsync in interface RaftServerAsynchronousProtocol

Throws:

IOException

installSnapshot

public org.apache.ratis.proto.RaftProtos.InstallSnapshotReplyProto installSnapshot(org.apache.ratis.proto.RaftProtos.InstallSnapshotRequestProto request)
                                                                            throws IOException

Specified by:

installSnapshot in interface RaftServerProtocol

Throws:

IOException

submitUpdateCommitEvent

public void submitUpdateCommitEvent()

getFollowerNextIndices

public long[] getFollowerNextIndices()

notifyTruncatedLogEntry

public void notifyTruncatedLogEntry(org.apache.ratis.proto.RaftProtos.LogEntryProto logEntry)

The given log entry is being truncated. Fail the corresponding client request, if there is any.

Parameters:

logEntry - the log entry being truncated

getLeaderElectionMetrics

public LeaderElectionMetrics getLeaderElectionMetrics()

getRaftServerMetrics

public RaftServerMetrics getRaftServerMetrics()