LfuPolicy (ehcache 2.11.0.3.31 API)

java.lang.Object
- net.sf.ehcache.store.AbstractPolicy
- - net.sf.ehcache.store.LfuPolicy

All Implemented Interfaces:

Policy
```
public class LfuPolicy
extends AbstractPolicy
```
Contains common LFU policy code for use between the LfuMemoryStore and the DiskStore, which also uses an LfuPolicy for evictions.

Version:

$Id$

Author:

Greg Luck

Field Summary

Fields
Modifier and Type Field Description

static java.lang.String NAME
The name of this policy as a string literal

Constructor Summary

Constructors
Constructor Description

LfuPolicy()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`boolean`	`compare(Element element1, Element element2)`	Compares the desirableness for eviction of two elements Compares hit counts.
`java.lang.String`	`getName()`

Methods inherited from class net.sf.ehcache.store.AbstractPolicy
calculateSampleSize, generateRandomSample, selectedBasedOnPolicy

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

- Field Detail
  - NAME
```
public static final java.lang.String NAME
```
    The name of this policy as a string literal
    
    See Also:
    
    Constant Field Values
- Constructor Detail
  - LfuPolicy
```
public LfuPolicy()
```
- Method Detail
  - getName
```
public java.lang.String getName()
```
    Returns:
    
    the name of the Policy. Inbuilt examples are LRU, LFU and FIFO.
  - compare
```
public boolean compare(Element element1,
                       Element element2)
```
    Compares the desirableness for eviction of two elements Compares hit counts. If both zero,
    
    Parameters:
    
    element1 - the element to compare against
    
    element2 - the element to compare
    
    Returns:
    
    true if the second element is preferable to the first element for ths policy