org.apache.commons.pool2

Class PoolUtils.ErodingPerKeyKeyedObjectPool<K,V>

java.lang.Object

org.apache.commons.pool2.PoolUtils.ErodingKeyedObjectPool<K,V>

org.apache.commons.pool2.PoolUtils.ErodingPerKeyKeyedObjectPool<K,V>

All Implemented Interfaces:

KeyedObjectPool<K,V>

Enclosing class:

PoolUtils

private static class PoolUtils.ErodingPerKeyKeyedObjectPool<K,V>
extends PoolUtils.ErodingKeyedObjectPool<K,V>

Extends ErodingKeyedObjectPool to allow erosion to take place on a per-key basis. Timing of erosion events is tracked separately for separate keyed pools.

Field Summary

Fields

Modifier and Type	Field and Description
private float	factor Erosion factor - same for all pools
private java.util.Map<K,PoolUtils.ErodingFactor>	factors Map of ErodingFactor instances keyed on pool keys

Constructor Summary

Constructors

Constructor and Description
ErodingPerKeyKeyedObjectPool(KeyedObjectPool<K,V> keyedPool, float factor) Create a new ErordingPerKeyKeyedObjectPool decorating the given keyed pool with the specified erosion factor.

Method Summary

Modifier and Type	Method and Description
protected PoolUtils.ErodingFactor	getErodingFactor(K key) Returns the eroding factor for the given key
java.lang.String	toString()

Methods inherited from class org.apache.commons.pool2.PoolUtils.ErodingKeyedObjectPool

addObject, borrowObject, clear, clear, close, getKeyedPool, getNumActive, getNumActive, getNumIdle, getNumIdle, invalidateObject, returnObject

Methods inherited from class java.lang.Object

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

Field Detail

factor

private final float factor

Erosion factor - same for all pools

factors

private final java.util.Map<K,PoolUtils.ErodingFactor> factors

Map of ErodingFactor instances keyed on pool keys

Constructor Detail

ErodingPerKeyKeyedObjectPool

public ErodingPerKeyKeyedObjectPool(KeyedObjectPool<K,V> keyedPool,
                                    float factor)

Create a new ErordingPerKeyKeyedObjectPool decorating the given keyed pool with the specified erosion factor.

Parameters:

keyedPool - underlying keyed pool

factor - erosion factor

Method Detail

getErodingFactor

protected PoolUtils.ErodingFactor getErodingFactor(K key)

Returns the eroding factor for the given key

Overrides:

getErodingFactor in class PoolUtils.ErodingKeyedObjectPool<K,V>

Parameters:

key - key

Returns:

eroding factor for the given keyed pool

toString

public java.lang.String toString()

Overrides:

toString in class PoolUtils.ErodingKeyedObjectPool<K,V>