alluxio.worker.modules

Class WorkerIdentityProvider

java.lang.Object

alluxio.worker.modules.WorkerIdentityProvider

All Implemented Interfaces:

javax.inject.Provider<WorkerIdentity>

public class WorkerIdentityProvider
extends Object
implements com.google.inject.Provider<WorkerIdentity>

Provider that resolves worker identities from configuration, persisted storage, or automatically generates a new one.

Constructor Summary

Constructors

Modifier	Constructor and Description
	WorkerIdentityProvider(AlluxioConfiguration conf)
protected	WorkerIdentityProvider(AlluxioConfiguration conf, java.util.function.Supplier<UUID> uuidGenerator)

Method Summary

Modifier and Type	Method and Description
WorkerIdentity	get() Resolves a worker's identity from the following sources, in the order of preference: Alluxio configuration.

Methods inherited from class java.lang.Object

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

Constructor Detail

WorkerIdentityProvider

@Inject
public WorkerIdentityProvider(AlluxioConfiguration conf)

Parameters:

conf - configuration

WorkerIdentityProvider

protected WorkerIdentityProvider(AlluxioConfiguration conf,
                                 java.util.function.Supplier<UUID> uuidGenerator)

Method Detail

get

public WorkerIdentity get()

Resolves a worker's identity from the following sources, in the order of preference:

1. Alluxio configuration. This includes JVM system properties, alluxio-site.properties, etc.
2. Persisted storage. A persistent identity file provided by the user.
3. Automatically generated as a UUID.

Specified by:

get in interface javax.inject.Provider<WorkerIdentity>

Returns:

worker identity