A C E F G I M N P R S T U V

A

add(int) - Method in class com.berryworks.jquantify.EventCounter

Adds a number events.

add(int) - Method in class com.berryworks.jquantify.EventCounterInterval

add(int) - Method in interface com.berryworks.jquantify.Interval

Registers the occurrence of n new events.

add() - Method in class com.berryworks.jquantify.Metric

Adds a single event.

add(int) - Method in class com.berryworks.jquantify.Metric

Adds a number of events.

add(int) - Method in class com.berryworks.jquantify.SessionCounter

Counts the beginning of a session.

add(int) - Method in class com.berryworks.jquantify.SessionCounterInterval

add(int) - Method in class com.berryworks.jquantify.util.VMUsage

Take a sample of the current values from the VM.

asCSV(EventCounter) - Static method in class com.berryworks.jquantify.util.Format

asCSV(SessionCounter) - Static method in class com.berryworks.jquantify.util.Format

C

com.berryworks.jquantify - package com.berryworks.jquantify

Contains classes used to count events, both point-in-time events as well as session-oriented events having measurable duration, and efficiently provide lightweight statistics on their frequency, duration, and concurrency.

com.berryworks.jquantify.util - package com.berryworks.jquantify.util

copy(EventCounterInterval) - Method in class com.berryworks.jquantify.EventCounterInterval

copy(SessionCounterInterval) - Method in class com.berryworks.jquantify.SessionCounterInterval

Copies the state of the Interval argument into this SessionCounterInterval.

createIntervals() - Method in class com.berryworks.jquantify.EventCounter

createIntervals() - Method in class com.berryworks.jquantify.SessionCounter

E

EventCounter - Class in com.berryworks.jquantify

This class is used to count and observe the frequency of events.

EventCounter() - Constructor for class com.berryworks.jquantify.EventCounter

EventCounter(String, int) - Constructor for class com.berryworks.jquantify.EventCounter

Constructs an EventCounter with a specific interval duration.

EventCounter(String) - Constructor for class com.berryworks.jquantify.EventCounter

Constructs a new EventCounter with an interval duration of 1 second.

EventCounterInterval - Class in com.berryworks.jquantify

This class implements Interval for use by EventCounter.

EventCounterInterval() - Constructor for class com.berryworks.jquantify.EventCounterInterval

EventCounterInterval(long, long) - Constructor for class com.berryworks.jquantify.EventCounterInterval

Constructs a new EventCounterInterval.

events - Variable in class com.berryworks.jquantify.EventCounterInterval

Number of events that have been counted in this interval

F

Format - Class in com.berryworks.jquantify.util

Format() - Constructor for class com.berryworks.jquantify.util.Format

G

get(String) - Static method in class com.berryworks.jquantify.MetricRepository

Gets a Metric with a specified label.

getActiveThreads() - Method in class com.berryworks.jquantify.util.VMUsage

Gets the activeThreads attribute of the VMUsage object

getActiveThreadsMaximum() - Method in class com.berryworks.jquantify.util.VMUsage

Gets the activeThreadsMaximum attribute of the VMUsage object

getActiveThreadsMean() - Method in class com.berryworks.jquantify.util.VMUsage

Gets the activeThreadsMean attribute of the VMUsage object

getActiveThreadsMinimum() - Method in class com.berryworks.jquantify.util.VMUsage

Gets the activeThreadsMinimum attribute of the VMUsage object

getAge() - Method in class com.berryworks.jquantify.Metric

Gets the age of this metric in seconds.

getAgeMillis() - Method in class com.berryworks.jquantify.Metric

Gets the age of this metric in milliseconds.

getConcurrency() - Method in class com.berryworks.jquantify.SessionCounter

Gets the current concurrency, the number of sessions that have been added (started) without having yet been removed (stopped).

getConcurrency() - Method in class com.berryworks.jquantify.SessionCounterInterval

Gets the number of concurrent events underway at the present time.

getCount() - Method in class com.berryworks.jquantify.EventCounter

getCount() - Method in class com.berryworks.jquantify.Metric

Gets the total count of events.

getCount() - Method in class com.berryworks.jquantify.util.VMUsage

getCumulativeEvents() - Method in class com.berryworks.jquantify.EventCounter

Equivalent to getCount(), gets the total number of events added to this EventCounter.

getCumulativeEvents() - Method in class com.berryworks.jquantify.EventCounterInterval

getCumulativeEvents() - Method in interface com.berryworks.jquantify.Interval

Gets the total number of events, including those that occurred in previous intervals.

getCumulativeFreq() - Method in class com.berryworks.jquantify.EventCounter

Gets the overall event frequency for this EventCounter

getCurrentFreq() - Method in class com.berryworks.jquantify.EventCounter

Gets the current event frequency for this EventCounter.

getCurrentInterval() - Method in class com.berryworks.jquantify.EventCounter

Gets the current Interval, the one to which current events are added.

getDuration() - Method in class com.berryworks.jquantify.EventCounterInterval

getDuration() - Method in interface com.berryworks.jquantify.Interval

Gets the duration, in milliseconds, of this Interval

getEventCounter(String) - Static method in class com.berryworks.jquantify.EventCounter

Get an instance of an EventCounter with a particular label from the MetricRepository, creating one if necessary.

getEventRatePerSecond() - Method in class com.berryworks.jquantify.EventCounterInterval

getEventRatePerSecond() - Method in interface com.berryworks.jquantify.Interval

Returns the computed event rate per second during this Interval.

getEvents() - Method in class com.berryworks.jquantify.EventCounterInterval

getEvents() - Method in interface com.berryworks.jquantify.Interval

Gets the number of events counted during this interval.

getFreeMemory() - Method in class com.berryworks.jquantify.util.VMUsage

Gets the freeMemory attribute of the VMUsage object

getFreeMemoryMaximum() - Method in class com.berryworks.jquantify.util.VMUsage

Gets the freeMemoryMaximum attribute of the VMUsage object

getFreeMemoryMean() - Method in class com.berryworks.jquantify.util.VMUsage

Gets the freeMemoryMean attribute of the VMUsage object

getFreeMemoryMinimum() - Method in class com.berryworks.jquantify.util.VMUsage

Gets the freeMemoryMinimum attribute of the VMUsage object

getIntervalSeconds() - Method in class com.berryworks.jquantify.Metric

Gets the number of seconds in each interval.

getLabel() - Method in class com.berryworks.jquantify.Metric

Gets the descriptive label associated with this Metric instance.

getLabels() - Method in class com.berryworks.jquantify.MetricRepository

Gets the labels for all metrics in the repository.

getMaximumSessionStartTime() - Method in class com.berryworks.jquantify.SessionCounter

getMaximumSessionTime() - Method in class com.berryworks.jquantify.SessionCounter

Gets the number of milliseconds that elapsed during the longest completed session.

getMetric(String) - Method in class com.berryworks.jquantify.MetricRepository

Gets a Metric with a specified label.

getPeakConcurrency() - Method in class com.berryworks.jquantify.SessionCounter

Gets the peak concurrency observed over the life of the metric.

getPeakConcurrency() - Method in class com.berryworks.jquantify.SessionCounterInterval

Gets the maximum concurrency level observed during this interval.

getPeakConcurrencyInterval() - Method in class com.berryworks.jquantify.SessionCounter

Gets the interval in which the highest concurrency was noted.

getPeakEvents() - Method in class com.berryworks.jquantify.EventCounter

Gets the number of events that occurred during the interval in which the most events occurred.

getPeakEventsInterval() - Method in class com.berryworks.jquantify.EventCounter

Gets the interval in which the greatest number of events were added.

getRecentSessionTime() - Method in class com.berryworks.jquantify.SessionCounter

Gets the number of milliseconds that a recent completed session took.

getSampleCount() - Method in class com.berryworks.jquantify.util.VMUsage

Gets the sampleCount attribute of the VMUsage object

getSessionCounter(String) - Static method in class com.berryworks.jquantify.SessionCounter

Get an instance of a SessionCounter with a particular label from the MetricRepository, creating one if necessary.

getSessionCounter(String, int) - Static method in class com.berryworks.jquantify.SessionCounter

Get an instance of a SessionCounter with a particular label from the MetricRepository.

getSessionTime() - Method in class com.berryworks.jquantify.SessionCounter

Gets the number of milliseconds of elapsed time spent within sessions observed by this SessionCounter.

getSessionTimeMean() - Method in class com.berryworks.jquantify.SessionCounter

Gets the mean session time in milliseconds.

getStartTime() - Method in class com.berryworks.jquantify.EventCounterInterval

getStartTime() - Method in interface com.berryworks.jquantify.Interval

Gets a timestamp corresponding to the start of this Interval in System.currentTimeMillis() format.

getTotalIntervals() - Method in class com.berryworks.jquantify.Metric

Gets number of intervals that have occurred during the life of this Metric.

getTotalIntervals() - Method in class com.berryworks.jquantify.util.VMUsage

Gets the totalIntervals attribute of the VMUsage object

getTotalMemory() - Method in class com.berryworks.jquantify.util.VMUsage

Gets the totalMemory attribute of the VMUsage object

getTotalMemoryMaximum() - Method in class com.berryworks.jquantify.util.VMUsage

Gets the totalMemoryMaximum attribute of the VMUsage object

getTotalMemoryMean() - Method in class com.berryworks.jquantify.util.VMUsage

Gets the totalMemoryMean attribute of the VMUsage object

getTotalMemoryMinimum() - Method in class com.berryworks.jquantify.util.VMUsage

Gets the totalMemoryMinimum attribute of the VMUsage object

getUnits() - Method in class com.berryworks.jquantify.util.TimeScaler

I

instance() - Static method in class com.berryworks.jquantify.MetricRepository

Returns the singleton instance of MetricRepository.

Interval - Interface in com.berryworks.jquantify

An object that counts events occurring during a single time slice within the life of a Metric instance.

intervalsBefore(long) - Method in class com.berryworks.jquantify.EventCounterInterval

Returns the number of intervals that have elapsed between this Interval and the time specified by the argument.

intervalsBefore(long) - Method in interface com.berryworks.jquantify.Interval

Returns the number of intervals that have elapsed between this Interval and the time specified by the argument.

intervalSeconds - Variable in class com.berryworks.jquantify.Metric

How many seconds are in each interval

isPast() - Method in class com.berryworks.jquantify.EventCounterInterval

isPast() - Method in interface com.berryworks.jquantify.Interval

Returns true if the current time is after the end of this interval.

M

mCurrentInterval - Variable in class com.berryworks.jquantify.EventCounter

Metric - Class in com.berryworks.jquantify

Abstract superclass for EventCounter, SessionCounter, and other metric classes.

Metric(String, int) - Constructor for class com.berryworks.jquantify.Metric

Constructs a new Metric.

Metric(String) - Constructor for class com.berryworks.jquantify.Metric

Constructs a new Metric with an interval duration of 1 second.

Metric() - Constructor for class com.berryworks.jquantify.Metric

No-arg constructor necessary for serialization.

metricAsCSV(Metric) - Static method in class com.berryworks.jquantify.util.Format

MetricRepository - Class in com.berryworks.jquantify

A singleton repository for accessing Metric instances by their label.

mNow - Variable in class com.berryworks.jquantify.EventCounter

mPeakEvents - Variable in class com.berryworks.jquantify.EventCounter

mPriorInterval - Variable in class com.berryworks.jquantify.EventCounter

N

normalize() - Method in class com.berryworks.jquantify.EventCounter

Normalizes this EventCounter if necessary.

normalizeCurrent_ScenarioA() - Method in class com.berryworks.jquantify.EventCounter

normalizeCurrent_ScenarioA() - Method in class com.berryworks.jquantify.SessionCounter

normalizeCurrent_ScenarioB() - Method in class com.berryworks.jquantify.EventCounter

normalizeCurrent_ScenarioB() - Method in class com.berryworks.jquantify.SessionCounter

normalizePrior_ScenarioA() - Method in class com.berryworks.jquantify.EventCounter

normalizePrior_ScenarioA() - Method in class com.berryworks.jquantify.SessionCounter

normalizePrior_ScenarioB(long) - Method in class com.berryworks.jquantify.EventCounter

normalizePrior_ScenarioB(long) - Method in class com.berryworks.jquantify.SessionCounter

P

percent(double, double) - Static method in class com.berryworks.jquantify.util.Format

put(Metric) - Static method in class com.berryworks.jquantify.MetricRepository

Places an instance of Metric into the repository.

putMetric(Metric) - Method in class com.berryworks.jquantify.MetricRepository

Places an instance of Metric into the repository.

R

remove(int) - Method in class com.berryworks.jquantify.SessionCounter

Informs this EventCounter that a previously added event is "finished" and no longer among the concurrent events.

remove() - Method in class com.berryworks.jquantify.SessionCounter

Removes a single event.

remove(int) - Method in class com.berryworks.jquantify.SessionCounterInterval

Remove a number of sessions

reset() - Method in class com.berryworks.jquantify.EventCounter

Reset this EventCounter to its "zero" condition so that it can be reused, avoiding the overhead of constructing a new instance.

reset() - Method in class com.berryworks.jquantify.Metric

Reset this Metric to its "zero" condition.

reset() - Method in class com.berryworks.jquantify.SessionCounter

Reset this SessionCounter to its "zero" condition so that it can be reused, avoiding the overhead of constructing a new instance.

reset() - Method in class com.berryworks.jquantify.util.VMUsage

S

scale(float) - Method in class com.berryworks.jquantify.util.TimeScaler

SessionCounter - Class in com.berryworks.jquantify

This class is used to count and observe the frequency, duration, and concurrency of events that have distinct start/stop times.

SessionCounter() - Constructor for class com.berryworks.jquantify.SessionCounter

SessionCounter(String, int) - Constructor for class com.berryworks.jquantify.SessionCounter

Constructor for the SessionCounter object

SessionCounter(String) - Constructor for class com.berryworks.jquantify.SessionCounter

Constructs a new SessionCounter.

SessionCounterInterval - Class in com.berryworks.jquantify

This class implements Interval for use by SessionCounter.

SessionCounterInterval() - Constructor for class com.berryworks.jquantify.SessionCounterInterval

setClosed(boolean) - Method in class com.berryworks.jquantify.EventCounterInterval

setClosed(boolean) - Method in interface com.berryworks.jquantify.Interval

Marks the interval as open or closed.

setLabel(String) - Method in class com.berryworks.jquantify.Metric

Sets the descriptive label associated with this Metric instance.

start() - Method in class com.berryworks.jquantify.SessionCounter

Functionally identical to add(), supporting the start/stop terminology which is more natural then add/remove when the emphasis is on measuring elapsed time within critical sections.

startTime - Variable in class com.berryworks.jquantify.Metric

When the Metric was constructed or reset

stop() - Method in class com.berryworks.jquantify.SessionCounter

Functionally identical to remove().

T

TimeScaler - Class in com.berryworks.jquantify.util

TimeScaler(float) - Constructor for class com.berryworks.jquantify.util.TimeScaler

toDecimalFormat(double) - Static method in class com.berryworks.jquantify.util.Format

toString() - Method in class com.berryworks.jquantify.EventCounterInterval

Summarizes this Interval as a String for display purposes.

toString() - Method in class com.berryworks.jquantify.SessionCounterInterval

totalIntervals - Variable in class com.berryworks.jquantify.Metric

Number of intervals that have occurred so far during the life of this Metric

U

uptime() - Static method in class com.berryworks.jquantify.Metric

Return the uptime in hours, measured from when the Metric class was loaded into the VM by the classloader.

V

VMUsage - Class in com.berryworks.jquantify.util

A subclass of Metric that observes memory usage and number of threads for the VM.

VMUsage(String) - Constructor for class com.berryworks.jquantify.util.VMUsage

A C E F G I M N P R S T U V