alluxio.client.metrics

Class MetricsMasterClient

java.lang.Object

alluxio.AbstractClient

alluxio.AbstractMasterClient

alluxio.client.metrics.MetricsMasterClient

All Implemented Interfaces:

Client, Closeable, AutoCloseable

@ThreadSafe
public class MetricsMasterClient
extends AbstractMasterClient

A client to use for interacting with a metrics master.

Nested Class Summary

Nested classes/interfaces inherited from class alluxio.AbstractClient

AbstractClient.RpcCallable<V>

Field Summary

Fields inherited from class alluxio.AbstractClient

mAddress, mChannel, mClosed, mConfAddress, mConnected, mContext, mServiceVersion, mVersionService

Constructor Summary

Constructors

Constructor and Description
MetricsMasterClient(MasterClientContext conf) Creates a new metrics 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	heartbeat(List<ClientMetrics> metrics) The method the worker should periodically execute to heartbeat back to the master.

Methods inherited from class alluxio.AbstractMasterClient

getAddress, getConfAddress

Methods inherited from class alluxio.AbstractClient

afterDisconnect, beforeConnect, beforeDisconnect, checkVersion, close, connect, disconnect, getRemoteServiceVersion, isClosed, isConnected, retryRPC, retryRPC

Methods inherited from class java.lang.Object

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

Constructor Detail

MetricsMasterClient

public MetricsMasterClient(MasterClientContext conf)

Creates a new metrics master client.

Parameters:

conf - master client configuration

Method Detail

getRemoteServiceType

protected ServiceType getRemoteServiceType()

Specified by:

getRemoteServiceType in class AbstractClient

Returns:

the 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

heartbeat

public void heartbeat(List<ClientMetrics> metrics)
               throws IOException

The method the worker should periodically execute to heartbeat back to the master.

Parameters:

metrics - a list of client metrics

Throws:

IOException