Package org.apache.cassandra.net

Class ResourceLimits.EndpointAndGlobal

java.lang.Object

org.apache.cassandra.net.ResourceLimits.EndpointAndGlobal

Enclosing class:

ResourceLimits

public static class ResourceLimits.EndpointAndGlobal
extends Object

A convenience class that groups a per-endpoint limit with the global one to allow allocating/releasing permits from/to both limits as one logical operation.

Constructor Summary

Constructors

Constructor	Description
EndpointAndGlobal(ResourceLimits.Limit endpoint, ResourceLimits.Limit global)

Method Summary

Modifier and Type	Method	Description
void	allocate(long amount)
ResourceLimits.Limit	endpoint()
ResourceLimits.Limit	global()
ResourceLimits.Outcome	release(long amount)
ResourceLimits.Outcome	tryAllocate(long amount)

Methods inherited from class java.lang.Object

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

Constructor Details

EndpointAndGlobal

public EndpointAndGlobal(ResourceLimits.Limit endpoint,
 ResourceLimits.Limit global)

Method Details

endpoint

public ResourceLimits.Limit endpoint()

global

public ResourceLimits.Limit global()

tryAllocate

public ResourceLimits.Outcome tryAllocate(long amount)

Returns:

INSUFFICIENT_GLOBAL if there weren't enough permits in the global limit, or INSUFFICIENT_ENDPOINT if there weren't enough permits in the per-endpoint limit, or SUCCESS if there were enough permits to take from both.

allocate

public void allocate(long amount)

release

public ResourceLimits.Outcome release(long amount)