Package jline.api.infer

Class ObsSpec

java.lang.Object

jline.api.infer.ObsSpec

public class ObsSpec
extends Object

Specification of an observed LQN performance metric.

Used by InferLqn to select which measured quantity forms a component of the observation vector z = h(a): a response time, a utilization, a throughput or a queue length of a named LQN element.

Copyright (c) 2012-2026, Imperial College London. All rights reserved.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static enum	ObsSpec.Metric	Kind of performance metric observed.

Field Summary

Fields

Modifier and Type	Field	Description
final ObsSpec.Metric	metric
final String	name

Constructor Summary

Constructors

Constructor	Description
ObsSpec(ObsSpec.Metric metric, String name)

Method Summary

Modifier and Type	Method	Description
static ObsSpec	qLen(String name)	Observe the queue length of the named element.
static ObsSpec	respT(String name)	Observe the response time of the named element (entry or reference task).
static ObsSpec	tput(String name)	Observe the throughput of the named element.
static ObsSpec	util(String name)	Observe the utilization of the named element (typically a processor).

Methods inherited from class java.lang.Object

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

Field Details

metric

public final ObsSpec.Metric metric

name

public final String name

Constructor Details

ObsSpec

public ObsSpec(ObsSpec.Metric metric,
 String name)

Method Details

respT

public static ObsSpec respT(String name)

Observe the response time of the named element (entry or reference task).

util

public static ObsSpec util(String name)

Observe the utilization of the named element (typically a processor).

tput

public static ObsSpec tput(String name)

Observe the throughput of the named element.

qLen

public static ObsSpec qLen(String name)

Observe the queue length of the named element.