Package org.rapidcontext.core.stats

Class MovingUsage

java.lang.Object

org.rapidcontext.core.stats.MovingUsage

public class MovingUsage
extends Object

A combined usage metric with moving counters, average durations and recent errors.

Version:

1.0

Constructor Summary

Constructors

Constructor	Description
MovingUsage(long now)	Initializes a new set of moving usage metrics.
MovingUsage(long now, Dict dict)	Initializes a set of moving usage metrics from serialized data.

Method Summary

Modifier and Type	Method	Description
void	add(int value, long duration, boolean success, String error)	Increases the usage counters and average durations.
void	move(long now)	Move the current time and possibly roll-over one or more of the moving sums.
Dict	serialize()	Returns a dictionary with the serialized metric values.
long	time()	Returns the timestamp (in millis) for the most recent move.
Dict	values()	Returns a dictionary with the current counters and other metrics.

Methods inherited from class java.lang.Object

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

Constructor Details

MovingUsage

public MovingUsage(long now)

Initializes a new set of moving usage metrics.

Parameters:

now - the current time (in millis)

MovingUsage

public MovingUsage(long now,
 Dict dict)

Initializes a set of moving usage metrics from serialized data.

Parameters:

now - the current time (in millis)

dict - the serialized dictionary

Method Details

serialize

public Dict serialize()

Returns a dictionary with the serialized metric values.

Returns:

a dictionary with serialized values

time

public long time()

Returns the timestamp (in millis) for the most recent move.

Returns:

the current interval timestamp (in millis)

values

public Dict values()

Returns a dictionary with the current counters and other metrics.

Returns:

a dictionary with metric values

add

public void add(int value,
 long duration,
 boolean success,
 String error)

Increases the usage counters and average durations.

Parameters:

value - the usage count to add, or zero (0) for none

duration - the duration (in millis), or zero (0) to skip

success - the success flag

error - the optional error message

move

public void move(long now)

Move the current time and possibly roll-over one or more of the moving sums.

Parameters:

now - the current time (in millis)