Package com.netflix.genie.web.scripts

Class ResourceSelectorScript<R,C extends ResourceSelectionContext<R>>

java.lang.Object

com.netflix.genie.web.scripts.ManagedScript

com.netflix.genie.web.scripts.ResourceSelectorScript<R,C>

Type Parameters:

R - The type of resource this script is selecting from

C - The context for resource selection which must extend ResourceSelectionContext

Direct Known Subclasses:

AgentLauncherSelectorManagedScript, ClusterSelectorManagedScript, CommandSelectorManagedScript

public class ResourceSelectorScript<R,C extends ResourceSelectionContext<R>>
extends ManagedScript

Interface for defining the contract between the selection of a resource from a set of resources for a given job request.

Since:

4.0.0

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	ResourceSelectorScript(ScriptManager scriptManager, ManagedScriptBaseProperties properties, io.micrometer.core.instrument.MeterRegistry registry, com.netflix.genie.common.internal.util.PropertiesMapCache propertyMapCache)	Constructor.

Method Summary

Modifier and Type	Method	Description
protected void	addParametersForScript(Map<String,Object> parameters, C context)	Add any implementation specific parameters to the map of parameters to send to the script.
ResourceSelectorScriptResult<R>	selectResource(C context)	Given the JobRequest and an associated set of resources which matched the request criteria invoke the configured script to see if a preferred resource is selected based on the current logic.

Methods inherited from class com.netflix.genie.web.scripts.ManagedScript

evaluateScript, warmUp

Methods inherited from class java.lang.Object

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

Constructor Details

ResourceSelectorScript

protected ResourceSelectorScript(ScriptManager scriptManager,
 ManagedScriptBaseProperties properties,
 io.micrometer.core.instrument.MeterRegistry registry,
 com.netflix.genie.common.internal.util.PropertiesMapCache propertyMapCache)

Constructor.

Parameters:

scriptManager - The ScriptManager instance to use

properties - The ManagedScriptBaseProperties instance to use

registry - The MeterRegistry instance to use

propertyMapCache - The PropertiesMapCache instance to use

Method Details

selectResource

public ResourceSelectorScriptResult<R> selectResource(C context)
                                               throws ResourceSelectionException

Given the JobRequest and an associated set of resources which matched the request criteria invoke the configured script to see if a preferred resource is selected based on the current logic.

Parameters:

context - The ResourceSelectionContext instance containing information about the context for this selection

Returns:

A ResourceSelectorScriptResult instance

Throws:

ResourceSelectionException - If an unexpected error occurs during selection

addParametersForScript

protected void addParametersForScript(Map<String,Object> parameters,
 C context)

Add any implementation specific parameters to the map of parameters to send to the script.

Parameters:

parameters - The existing set of parameters for implementations to add to

context - The selection context