LruEJBCache (Payara Project 6.2022.1.Alpha3 API)

java.lang.Object
- com.sun.appserv.util.cache.BaseCache
- - com.sun.appserv.util.cache.LruCache
  - - com.sun.ejb.containers.util.cache.LruEJBCache

All Implemented Interfaces:

Cache

Direct Known Subclasses:

FIFOEJBObjectCache, LruSessionCache
```
public class LruEJBCache
extends LruCache
```
LRUCache in-memory bounded cache with an LRU list

Nested Class Summary
- Nested classes/interfaces inherited from class com.sun.appserv.util.cache.LruCache
  LruCache.LruCacheItem
- Nested classes/interfaces inherited from class com.sun.appserv.util.cache.BaseCache
  BaseCache.CacheItem

Field Summary

Fields
Modifier and Type Field Description

protected static Logger _logger

protected String cacheName
- Fields inherited from class com.sun.appserv.util.cache.LruCache
  defaultMaxEntries, head, isUnbounded, listSize, NO_TIMEOUT, tail, timeout, trimCount
- Fields inherited from class com.sun.appserv.util.cache.BaseCache
  bucketLocks, buckets, entryCount, hitCount, listeners, maxBuckets, maxEntries, missCount, refreshFlags, removalCount, threshold

Constructor Summary

Constructors
Constructor Description

LruEJBCache()
default constructor

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`protected BaseCache.CacheItem`	`itemAdded(BaseCache.CacheItem item)`	/** this item is just added to the cache
`void`	`setCacheName(String name)`
`protected BaseCache.CacheItem`	`trimLru(long currentTime)`	trim one item from the LRU list

Methods inherited from class com.sun.appserv.util.cache.LruCache
createItem, getStatByName, getStats, init, itemAccessed, itemRefreshed, itemRemoved, setTimeout, trimExpiredEntries

Methods inherited from class com.sun.appserv.util.cache.BaseCache
_put, _remove, _removeItem, add, add, addCacheListener, clear, clearStats, contains, decrementEntryCount, destroy, elements, eq, get, get, getAll, getEntryCount, getIndex, getIndex, handleOverflow, hash, incrementAddCount, incrementEntryCount, incrementHitCount, incrementMissCount, incrementOverflowCount, incrementRefreshCount, incrementRemovalCount, init, init, isEmpty, isThresholdReached, keys, loadValue, notifyRefresh, put, put, remove, remove, remove, removeAll, trimItem, values, waitRefresh

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

- Field Detail
  - _logger
```
protected static final Logger _logger
```
  - cacheName
```
protected String cacheName
```
- Constructor Detail
  - LruEJBCache
```
public LruEJBCache()
```
    default constructor
- Method Detail
  - trimLru
```
protected BaseCache.CacheItem trimLru(long currentTime)
```
    Description copied from class: LruCache
    
    trim one item from the LRU list
    
    Overrides:
    
    trimLru in class LruCache
    
    Parameters:
    
    currentTime - of this operation
    
    Returns:
    
    the item trimmed from cache list synchronization is handled by the caller
  - itemAdded
```
protected BaseCache.CacheItem itemAdded(BaseCache.CacheItem item)
```
    Description copied from class: LruCache
    
    /** this item is just added to the cache
    
    Overrides:
    
    itemAdded in class LruCache
    
    Parameters:
    
    item - CacheItem that was created
    
    Returns:
    
    a overflow item; may be null this function checks if adding the new item results in a overflow; if so, it returns the item to be removed. Cache bucket is already synchronized by the caller
  - setCacheName
```
public void setCacheName(String name)
```