net.openwings.availability
Class PerformanceReport

java.lang.Object
  |
  +--net.openwings.availability.PerformanceReport

All Implemented Interfaces:

java.io.Serializable

public class PerformanceReport

extends java.lang.Object

implements java.io.Serializable

This class is used to report a performance metric. The status provides an interpretation of what action should be taken based on the metric. The relative metric is provided as a usage percentage. The actual utilization is also provided in the units of the metric.

See Also:

Serialized Form

Field Summary

protected float	denominator This is the acutal available resources.
static int	GREEN This constant is used to indicate normal performance levels.
protected java.lang.String	name This is the name of the measurement.
protected float	numerator This is the actual resource usage reading.
protected float	percentage This indicates the percentage utilization of this component.
static int	RED This constant is used to indicate a performance availability fault.
protected int	status This is the RED, YELLOW, GREEN status indicator.
protected java.lang.String	units This is the units of the measurement.
static int	YELLOW This constant is used to indicate a condition where there is a risk of performance availability fault.

Constructor Summary

PerformanceReport(java.lang.String name, int status, float percentage, float numerator, float denominator, java.lang.String units)
This is the single public constructor for this class.

Method Summary

float	getDenominator() This method is used to get the denominator of the measurement.
java.lang.String	getName() This method is used to get the name of the performance metric.
float	getNumerator() This method is used to get the numerator of the measurement.
float	getPercentUsage() This method is used to get the percentage utilization of this metric.
int	getStatus() This method is used to get the status of this performance metric.
java.lang.String	getUnits() This method is used to get the units of the performance metric.

Methods inherited from class java.lang.Object

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

Field Detail

RED

public static final int RED

This constant is used to indicate a performance availability fault. For example, this could indicate an overloaded component that is not currently accepting connections from service users.

See Also:

Constant Field Values

YELLOW

public static final int YELLOW

This constant is used to indicate a condition where there is a risk of performance availability fault. For example, this could indicate a component that is heavily loaded and needs to shed some of this load.

See Also:

Constant Field Values

GREEN

public static final int GREEN

This constant is used to indicate normal performance levels. For example, this could indicate a component that is within its capabilities and could accept more load.

See Also:

Constant Field Values

status

protected int status

This is the RED, YELLOW, GREEN status indicator.

percentage

protected float percentage

This indicates the percentage utilization of this component.

numerator

protected float numerator

This is the actual resource usage reading.

denominator

protected float denominator

This is the acutal available resources.

units

protected java.lang.String units

This is the units of the measurement.

name

protected java.lang.String name

This is the name of the measurement.

Constructor Detail

PerformanceReport

public PerformanceReport(java.lang.String name,
                         int status,
                         float percentage,
                         float numerator,
                         float denominator,
                         java.lang.String units)

This is the single public constructor for this class.

Parameters:

name - the name of the measurement.

status - the RED, YELLOW, GREEN status indicator.

percentage - the percentage utilization of this component. This is expressed as a value between 0.0 and 1.0 (inclusive).

numerator - the actual resource usage reading.

denominator - the acutal available resources.

units - the units of the measurement.

Method Detail

getName

public java.lang.String getName()

This method is used to get the name of the performance metric.

Returns:

the name of the performance metric.

getStatus

public int getStatus()

This method is used to get the status of this performance metric.

Returns:

the status of the performance metric: RED, YELLOW, or GREEN

getPercentUsage

public float getPercentUsage()

This method is used to get the percentage utilization of this metric.

Returns:

the percentage utilization

getNumerator

public float getNumerator()

This method is used to get the numerator of the measurement.

Returns:

the amount utilized

getDenominator

public float getDenominator()

This method is used to get the denominator of the measurement.

Returns:

the amount availabile

getUnits

public java.lang.String getUnits()

This method is used to get the units of the performance metric.

Returns:

the unit of measurement of the metric