com.netflix.genie.web.selectors

Interface ResourceSelector<R,C extends ResourceSelectionContext<R>>

Type Parameters:

R - The type of resource this selector is selecting

C - The type of context which this selector will accept. Must extend ResourceSelectionContext

All Known Subinterfaces:

AgentLauncherSelector, ClusterSelector, CommandSelector

All Known Implementing Classes:

RandomAgentLauncherSelectorImpl, RandomClusterSelectorImpl, RandomCommandSelectorImpl, ScriptAgentLauncherSelectorImpl, ScriptClusterSelectorImpl, ScriptCommandSelectorImpl

@Validated
public interface ResourceSelector<R,C extends ResourceSelectionContext<R>>

Generic interface for a selector which selects a resource from a set of resources for a given job request.

Since:

4.0.0

Method Summary

Modifier and Type	Method and Description
ResourceSelectionResult<R>	select(C context) Select a resource from the given set of resources if possible.

Method Detail

select

ResourceSelectionResult<R> select(@Valid
                                  C context)
                           throws ResourceSelectionException

Select a resource from the given set of resources if possible.

Parameters:

context - The context specific for this resource selection

Returns:

The a ResourceSelectionResult instance which contains information about the result of this invocation

Throws:

ResourceSelectionException - When the underlying implementation can't successfully come to a selection decision