org.apache.cassandra.utils
Class Throttle

java.lang.Object
  org.apache.cassandra.utils.Throttle

public class Throttle
extends java.lang.Object

Encapsulates the timing/state required to throttle a caller to a target throughput in bytes per millisecond, when periodically passed an absolute count of bytes.

Nested Class Summary

static interface

Throttle.ThroughputFunction

Constructor Summary

Throttle(java.lang.String name, Throttle.ThroughputFunction fun)

Method Summary

void	throttle(long currentBytes)
void	throttleDelta(long bytesDelta)
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

Throttle

public Throttle(java.lang.String name,
                Throttle.ThroughputFunction fun)

Method Detail

throttle

public void throttle(long currentBytes)

Parameters:

currentBytes - Bytes of throughput since the beginning of the task.

throttleDelta

public void throttleDelta(long bytesDelta)

Parameters:

bytesDelta - Bytes of throughput since the last call to throttle*()

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object