teetime.stage.taskfarm.adaptation.history

Class ThroughputHistory

java.lang.Object

teetime.stage.taskfarm.adaptation.history.ThroughputHistory

public class ThroughputHistory
extends Object

Represents a container of multiple ThroughputEntry.

Author:

Christian Claus Wiechmann

Constructor Summary

Constructors

Constructor and Description
ThroughputHistory() Creates a new throughput history with the analysis window of 20 (for testing purposes)
ThroughputHistory(TaskFarmConfiguration<?,?,?> configuration) Creates a new throughput history with the analysis window specified in the configuration.

Method Summary

Modifier and Type	Method and Description
void	add(double throughput) Adds a throughput to the beginning of the history.
List<teetime.stage.taskfarm.adaptation.history.ThroughputEntry>	getEntries()
double	getThroughputOfEntry(int entry) Gets the throughput value at a given history position.
long	getTimestampOfEntry(int entry) Gets the timestamp value at a given history position.

Methods inherited from class java.lang.Object

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

Constructor Detail

ThroughputHistory

public ThroughputHistory(TaskFarmConfiguration<?,?,?> configuration)

Creates a new throughput history with the analysis window specified in the configuration.

Parameters:

configuration - configuration of corresponding task farm

ThroughputHistory

public ThroughputHistory()

Creates a new throughput history with the analysis window of 20 (for testing purposes)

Method Detail

getEntries

public List<teetime.stage.taskfarm.adaptation.history.ThroughputEntry> getEntries()

Returns:

all measurements of the throughput history.

add

public void add(double throughput)

Adds a throughput to the beginning of the history. Adds current timestamp in millis.

Parameters:

throughput - new measured throughput value

getThroughputOfEntry

public double getThroughputOfEntry(int entry)

Gets the throughput value at a given history position.

Parameters:

entry - history index

Returns:

throughput value

getTimestampOfEntry

public long getTimestampOfEntry(int entry)

Gets the timestamp value at a given history position.

Parameters:

entry - history index

Returns:

timestamp value