Package org.apache.flink.runtime.slots

Class DefaultRequirementMatcher

java.lang.Object

org.apache.flink.runtime.slots.DefaultRequirementMatcher

All Implemented Interfaces:

RequirementMatcher

public class DefaultRequirementMatcher
extends Object
implements RequirementMatcher

Default implementation of RequirementMatcher. This matcher finds the first requirement that a) is not unfulfilled and B) matches the resource profile.

Constructor Summary

Constructors

Constructor	Description
DefaultRequirementMatcher()

Method Summary

Modifier and Type	Method	Description
Optional<ResourceProfile>	match(ResourceProfile resourceProfile, ResourceCounter totalRequirements, Function<ResourceProfile,Integer> numAssignedResourcesLookup)	Attempts to match the given resource profile with one of the given requirements.

Methods inherited from class java.lang.Object

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

Constructor Details

DefaultRequirementMatcher

public DefaultRequirementMatcher()

Method Details

match

public Optional<ResourceProfile> match(ResourceProfile resourceProfile,
 ResourceCounter totalRequirements,
 Function<ResourceProfile,Integer> numAssignedResourcesLookup)

Description copied from interface: RequirementMatcher

Attempts to match the given resource profile with one of the given requirements.

Specified by:

match in interface RequirementMatcher

Parameters:

resourceProfile - resource profile to match

totalRequirements - the total requirements

numAssignedResourcesLookup - a lookup for how many resources have already been assigned to a requirement

Returns:

matching requirement profile, if one exists