Package tigase.pubsub.utils.executors

Class RateLimitingExecutor

java.lang.Object

tigase.pubsub.utils.executors.AbstractQueuingExecutor

tigase.pubsub.utils.executors.RateLimitingExecutor

All Implemented Interfaces:

java.lang.Runnable, tigase.kernel.beans.Initializable, tigase.kernel.beans.UnregisterAware, Executor

@Bean(name="publishExecutor",
      parent=PubSubComponent.class,
      active=true,
      exportable=true)
public class RateLimitingExecutor
extends AbstractQueuingExecutor
implements java.lang.Runnable, tigase.kernel.beans.Initializable

Class implements an executor limiting number of executions of submitted tasks per second.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	RateLimitingExecutor.MemoryUsage

Nested classes/interfaces inherited from interface tigase.pubsub.utils.executors.Executor

Executor.Priority

Field Summary

Fields inherited from class tigase.pubsub.utils.executors.AbstractQueuingExecutor

queue

Constructor Summary

Constructors

Constructor	Description
RateLimitingExecutor()

Method Summary

Modifier and Type	Method	Description
void	beforeUnregister()
RateLimitingExecutor.MemoryUsage	currentMemoryUsage()
long	getLimit()
protected long	getPermissions(long sleepTime, RateLimitingExecutor.MemoryUsage memoryUsage)
protected long	getSleepTime()	Calculate best sleep time for current limit value.
void	initialize()
void	run()
void	setLimit(long limit)

Methods inherited from class tigase.pubsub.utils.executors.AbstractQueuingExecutor

execute, isOverloaded, submit

Methods inherited from class java.lang.Object

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

Constructor Detail

RateLimitingExecutor

public RateLimitingExecutor()

Method Detail

getLimit

public long getLimit()

setLimit

public void setLimit(long limit)

run

public void run()

Specified by:

run in interface java.lang.Runnable

getSleepTime

protected long getSleepTime()

Calculate best sleep time for current limit value.

Returns:

getPermissions

protected long getPermissions(long sleepTime,
                              RateLimitingExecutor.MemoryUsage memoryUsage)

initialize

public void initialize()

Specified by:

initialize in interface tigase.kernel.beans.Initializable

beforeUnregister

public void beforeUnregister()

Specified by:

beforeUnregister in interface tigase.kernel.beans.UnregisterAware

Overrides:

beforeUnregister in class AbstractQueuingExecutor

currentMemoryUsage

public RateLimitingExecutor.MemoryUsage currentMemoryUsage()