alluxio.master

Interface MasterProcess

All Superinterfaces:

Process

All Known Implementing Classes:

AlluxioMasterProcess

public interface MasterProcess
extends Process

A master process in the Alluxio system.

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	MasterProcess.Factory Factory for creating MasterProcess.

Method Summary

Modifier and Type	Method and Description
<T extends Master> T	getMaster(Class<T> clazz)
InetSocketAddress	getRpcAddress()
long	getStartTimeMs()
long	getUptimeMs()
InetSocketAddress	getWebAddress()
boolean	isInSafeMode()
boolean	isServing()

Methods inherited from interface alluxio.Process

start, stop, waitForReady

Method Detail

getMaster

<T extends Master> T getMaster(Class<T> clazz)

Type Parameters:

T - the type of the master to get

Parameters:

clazz - the class of the master to get

Returns:

the given master

getRpcAddress

InetSocketAddress getRpcAddress()

Returns:

this master's rpc address

getStartTimeMs

long getStartTimeMs()

Returns:

the start time of the master in milliseconds

getUptimeMs

long getUptimeMs()

Returns:

the uptime of the master in milliseconds

getWebAddress

InetSocketAddress getWebAddress()

Returns:

the master's web address, or null if the web server hasn't been started yet

isInSafeMode

boolean isInSafeMode()

Returns:

true if Alluxio is running in safe mode, false otherwise

isServing

boolean isServing()

Returns:

true if the system is the leader (serving the rpc server), false otherwise