at.molindo.thirdparty.org.compass.core.util.concurrent

Enum ConcurrentLinkedHashMap.EvictionPolicy

java.lang.Object

java.lang.Enum<ConcurrentLinkedHashMap.EvictionPolicy>

at.molindo.thirdparty.org.compass.core.util.concurrent.ConcurrentLinkedHashMap.EvictionPolicy

All Implemented Interfaces:

Serializable, Comparable<ConcurrentLinkedHashMap.EvictionPolicy>

Enclosing class:

ConcurrentLinkedHashMap<K,V>

public static enum ConcurrentLinkedHashMap.EvictionPolicy
extends Enum<ConcurrentLinkedHashMap.EvictionPolicy>

The replacement policy to apply to determine which entry to discard to when the capacity has been reached.

Enum Constant Summary

Enum Constants

Enum Constant and Description
FIFO Evicts entries based on insertion order.
LRU Evicts entries based on how recently they are used, with the least recent evicted first.
SECOND_CHANCE Evicts entries based on insertion order, but gives an entry a "second chance" if it has been requested recently.

Method Summary

Methods

Modifier and Type	Method and Description
static ConcurrentLinkedHashMap.EvictionPolicy	valueOf(String name) Returns the enum constant of this type with the specified name.
static ConcurrentLinkedHashMap.EvictionPolicy[]	values() Returns an array containing the constants of this enum type, in the order they are declared.

Methods inherited from class java.lang.Enum

clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Detail

FIFO

public static final ConcurrentLinkedHashMap.EvictionPolicy FIFO

Evicts entries based on insertion order.

SECOND_CHANCE

public static final ConcurrentLinkedHashMap.EvictionPolicy SECOND_CHANCE

Evicts entries based on insertion order, but gives an entry a "second chance" if it has been requested recently.

LRU

public static final ConcurrentLinkedHashMap.EvictionPolicy LRU

Evicts entries based on how recently they are used, with the least recent evicted first.

Method Detail

values

public static ConcurrentLinkedHashMap.EvictionPolicy[] values()

Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:

for (ConcurrentLinkedHashMap.EvictionPolicy c : ConcurrentLinkedHashMap.EvictionPolicy.values())
    System.out.println(c);

Returns:

an array containing the constants of this enum type, in the order they are declared

valueOf

public static ConcurrentLinkedHashMap.EvictionPolicy valueOf(String name)

Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)

Parameters:

name - the name of the enum constant to be returned.

Returns:

the enum constant with the specified name

Throws:

IllegalArgumentException - if this enum type has no constant with the specified name

NullPointerException - if the argument is null