io.druid.indexing.overlord.autoscaling

Class NoopResourceManagementStrategy<T extends TaskRunner>

java.lang.Object

io.druid.indexing.overlord.autoscaling.NoopResourceManagementStrategy<T>

All Implemented Interfaces:

ResourceManagementStrategy<T>

public class NoopResourceManagementStrategy<T extends TaskRunner>
extends Object
implements ResourceManagementStrategy<T>

Constructor Summary

Constructors

Constructor and Description
NoopResourceManagementStrategy()

Method Summary

Modifier and Type	Method and Description
ScalingStats	getStats() Get any interesting stats related to scaling
void	startManagement(T runner) Equivalent to start() but requires a specific runner instance which holds state of interest.
void	stopManagement() Equivalent to stop() Should be called from TaskRunner's lifecycle

Methods inherited from class java.lang.Object

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

Constructor Detail

NoopResourceManagementStrategy

public NoopResourceManagementStrategy()

Method Detail

startManagement

public void startManagement(T runner)

Description copied from interface: ResourceManagementStrategy

Equivalent to start() but requires a specific runner instance which holds state of interest. This method is intended to be called from the TaskRunner's lifecycle

Specified by:

startManagement in interface ResourceManagementStrategy<T extends TaskRunner>

Parameters:

runner - The TaskRunner state holder this strategy should use during execution

stopManagement

public void stopManagement()

Description copied from interface: ResourceManagementStrategy

Equivalent to stop() Should be called from TaskRunner's lifecycle

Specified by:

stopManagement in interface ResourceManagementStrategy<T extends TaskRunner>

getStats

public ScalingStats getStats()

Description copied from interface: ResourceManagementStrategy

Get any interesting stats related to scaling

Specified by:

getStats in interface ResourceManagementStrategy<T extends TaskRunner>

Returns:

The ScalingStats or `null` if nothing of interest