MemoryStoreEvictionPolicy (ehcache 2.11.0.3.31 API)

java.lang.Object
- net.sf.ehcache.store.MemoryStoreEvictionPolicy

All Implemented Interfaces:

java.io.Serializable
```
public final class MemoryStoreEvictionPolicy
extends java.lang.Object
implements java.io.Serializable
```
A typesafe enumeration of eviction policies. The policy used to evict elements from the MemoryStore. This can be one of:
1. LRU - least recently used
2. LFU - least frequently used
3. FIFO - first in first out, the oldest element by creation time
The default value is LRU
Since:

1.2

Version:

$Id$

Author:

Greg Luck

See Also:

Serialized Form

Nested Class Summary

Nested Classes
Modifier and Type Class Description

static class MemoryStoreEvictionPolicy.MemoryStoreEvictionPolicyEnum
Enum for MemoryStoreEvictionPolicy

Field Summary

Fields
Modifier and Type	Field	Description
`static MemoryStoreEvictionPolicy`	`CLOCK`	FIFO - first in first out, the oldest element by creation time.
`static MemoryStoreEvictionPolicy`	`FIFO`	FIFO - first in first out, the oldest element by creation time.
`static MemoryStoreEvictionPolicy`	`LFU`	LFU - least frequently used.
`static MemoryStoreEvictionPolicy`	`LRU`	LRU - least recently used.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`static MemoryStoreEvictionPolicy`	`fromString(java.lang.String policy)`	Converts a string representation of the policy into a policy.
`java.lang.String`	`toString()`

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

- Field Detail
  - LRU
```
public static final MemoryStoreEvictionPolicy LRU
```
    LRU - least recently used.
  - LFU
```
public static final MemoryStoreEvictionPolicy LFU
```
    LFU - least frequently used.
  - FIFO
```
public static final MemoryStoreEvictionPolicy FIFO
```
    FIFO - first in first out, the oldest element by creation time.
  - CLOCK
```
public static final MemoryStoreEvictionPolicy CLOCK
```
    FIFO - first in first out, the oldest element by creation time.
- Method Detail
  - toString
```
public java.lang.String toString()
```
    Overrides:
    
    toString in class java.lang.Object
    
    Returns:
    
    a String representation of the policy
  - fromString
```
public static MemoryStoreEvictionPolicy fromString(java.lang.String policy)
```
    Converts a string representation of the policy into a policy.
    
    Parameters:
    
    policy - either LRU, LFU or FIFO
    
    Returns:
    
    one of the static instances