BaseGenericObjectPool.StatsStore

java.lang.Object

org.apache.commons.pool2.impl.BaseGenericObjectPool.StatsStore

Enclosing class:: BaseGenericObjectPool<T>

private static class BaseGenericObjectPool.StatsStore extends Object

Maintains a cache of values for a single metric and reports statistics on the cached values.

Field Summary

Fields

Modifier and Type

Field

Description

private int

index

private static final int

NONE

private final int

size

private final AtomicLong[]

values
Constructor Summary

Constructors

Constructor

Description

StatsStore(int size)

Constructs a new instance with the given cache size.
Method Summary

Modifier and Type

Method

Description

(package private) void

add(long value)

Adds a value to the cache.

(package private) void

add(Duration value)

long

getMean()

Gets the mean of the cached values.

(package private) Duration

getMeanDuration()

Gets the mean Duration of the cached values.

(package private) List<AtomicLong>

getValues()

Gets the current values as a List.

String

toString()

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Details
- NONE
  
  private static final int NONE
  See Also:
  
  Constant Field Values
- values
  
  private final AtomicLong[] values
- size
  
  private final int size
- index
  
  private int index
Constructor Details
- StatsStore
  
  StatsStore(int size)
  
  Constructs a new instance with the given cache size.
  
  Parameters:
  
  size - number of values to maintain in the cache.
Method Details
- add
  
  void add(Duration value)
- add
  
  void add(long value)
  
  Adds a value to the cache. If the cache is full, one of the existing values is replaced by the new value.
  
  Parameters:
  
  value - new value to add to the cache.
- getMean
  
  public long getMean()
  
  Gets the mean of the cached values.
  
  Returns:
  
  the mean of the cache, truncated to long
- getMeanDuration
  
  Duration getMeanDuration()
  
  Gets the mean Duration of the cached values.
  
  Returns:
  
  the mean Duration of the cache, truncated to long milliseconds of a Duration.
- getValues
  
  List<AtomicLong> getValues()
  
  Gets the current values as a List.
  
  Returns:
  
  the current values as a List.
- toString
  
  public String toString()
  
  Overrides:
  
  toString in class Object