alluxio.proxy

Class RetryHandlingMetaMasterProxyClient

java.lang.Object

alluxio.AbstractClient

alluxio.AbstractMasterClient

alluxio.proxy.RetryHandlingMetaMasterProxyClient

All Implemented Interfaces:

Client, Closeable, AutoCloseable

@ThreadSafe
public class RetryHandlingMetaMasterProxyClient
extends AbstractMasterClient

A wrapper for the gRPC client to interact with the meta master.

Nested Class Summary

Nested classes/interfaces inherited from class alluxio.AbstractClient

AbstractClient.RpcCallable<V>

Field Summary

Fields inherited from class alluxio.AbstractClient

mAlwaysEnableTLS, mChannel, mClosed, mConnected, mContext, mServerAddress, mServiceVersion, mVersionService

Constructor Summary

Constructors

Constructor and Description
RetryHandlingMetaMasterProxyClient(Address proxyAddress, MasterClientContext conf, long startTimeMs) Creates a new meta master client.

Method Summary

Modifier and Type	Method and Description
protected void	afterConnect() This method is called after the connection is made to the remote.
protected ServiceType	getRemoteServiceType()
protected String	getServiceName()
protected long	getServiceVersion()
void	proxyHeartbeat() Sends a heartbeat to the primary master.

Methods inherited from class alluxio.AbstractMasterClient

afterDisconnect, beforeConnect, getConfAddress, queryGrpcServerAddress

Methods inherited from class alluxio.AbstractClient

beforeDisconnect, checkVersion, close, connect, connectWithRuntimeException, createChannel, disconnect, getRemoteHostName, getRemoteServiceVersion, getRemoteSockAddress, isClosed, isConnected, retryRPC, retryRPC

Methods inherited from class java.lang.Object

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

Constructor Detail

RetryHandlingMetaMasterProxyClient

public RetryHandlingMetaMasterProxyClient(Address proxyAddress,
                                          MasterClientContext conf,
                                          long startTimeMs)

Creates a new meta master client.

Parameters:

proxyAddress - address of the proxy

conf - master client configuration

startTimeMs - start timestamp

Method Detail

getRemoteServiceType

protected ServiceType getRemoteServiceType()

Specified by:

getRemoteServiceType in class AbstractClient

Returns:

the expected type of remote service

getServiceName

protected String getServiceName()

Specified by:

getServiceName in class AbstractClient

Returns:

a string representing the specific service

getServiceVersion

protected long getServiceVersion()

Specified by:

getServiceVersion in class AbstractClient

Returns:

the client service version

afterConnect

protected void afterConnect()

Description copied from class: AbstractClient

This method is called after the connection is made to the remote. Implementations should create internal state to finish the connection process.

Overrides:

afterConnect in class AbstractClient

proxyHeartbeat

public void proxyHeartbeat()
                    throws IOException

Sends a heartbeat to the primary master.

Throws:

IOException