HashtableCache (Hibernate Core Aggregator 3.6.10.Final API)

java.lang.Object
- org.hibernate.cache.HashtableCache

All Implemented Interfaces:

Cache
```
public class HashtableCache
extends Object
implements Cache
```
A lightweight implementation of the Cache interface

Author:

Gavin King

Constructor Summary

Constructors
Constructor and Description

HashtableCache(String regionName)

Constructors
Constructor and Description
`HashtableCache(String regionName)`

Method Summary

Methods
Modifier and Type	Method and Description
`void`	`clear()` Clear the cache
`void`	`destroy()` Clean up
`Object`	`get(Object key)` Get an item from the cache, nontransactionally
`long`	`getElementCountInMemory()` The count of entries currently contained in the regions in-memory store.
`long`	`getElementCountOnDisk()` The count of entries currently contained in the regions disk store.
`String`	`getRegionName()` Get the name of the cache region
`long`	`getSizeInMemory()` The number of bytes is this cache region currently consuming in memory.
`int`	`getTimeout()` Get a reasonable "lock timeout"
`void`	`lock(Object key)` If this is a clustered cache, lock the item
`long`	`nextTimestamp()` Generate a timestamp
`void`	`put(Object key, Object value)` Add an item to the cache, nontransactionally, with failfast semantics
`Object`	`read(Object key)` Get an item from the cache
`void`	`remove(Object key)` Remove an item from the cache
`Map`	`toMap()` optional operation
`String`	`toString()`
`void`	`unlock(Object key)` If this is a clustered cache, unlock the item
`void`	`update(Object key, Object value)` Add an item to the cache

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

- Constructor Detail
  - HashtableCache
```
public HashtableCache(String regionName)
```
- Method Detail
  - getRegionName
```
public String getRegionName()
```
    Description copied from interface: Cache
    
    Get the name of the cache region
    
    Specified by:
    
    getRegionName in interface Cache
  - read
```
public Object read(Object key)
            throws CacheException
```
    Description copied from interface: Cache
    
    Get an item from the cache
    
    Specified by:
    
    read in interface Cache
    
    Returns:
    the cached object or null
    
    Throws:
    
    CacheException
  - get
```
public Object get(Object key)
           throws CacheException
```
    Description copied from interface: Cache
    
    Get an item from the cache, nontransactionally
    
    Specified by:
    
    get in interface Cache
    
    Returns:
    the cached object or null
    
    Throws:
    
    CacheException
  - update
```
public void update(Object key,
          Object value)
            throws CacheException
```
    Description copied from interface: Cache
    
    Add an item to the cache
    
    Specified by:
    
    update in interface Cache
    
    Throws:
    
    CacheException
  - put
```
public void put(Object key,
       Object value)
         throws CacheException
```
    Description copied from interface: Cache
    
    Add an item to the cache, nontransactionally, with failfast semantics
    
    Specified by:
    
    put in interface Cache
    
    Throws:
    
    CacheException
  - remove
```
public void remove(Object key)
            throws CacheException
```
    Description copied from interface: Cache
    
    Remove an item from the cache
    
    Specified by:
    
    remove in interface Cache
    
    Throws:
    
    CacheException
  - clear
```
public void clear()
           throws CacheException
```
    Description copied from interface: Cache
    
    Clear the cache
    
    Specified by:
    
    clear in interface Cache
    
    Throws:
    
    CacheException
  - destroy
```
public void destroy()
             throws CacheException
```
    Description copied from interface: Cache
    
    Clean up
    
    Specified by:
    
    destroy in interface Cache
    
    Throws:
    
    CacheException
  - lock
```
public void lock(Object key)
          throws CacheException
```
    Description copied from interface: Cache
    
    If this is a clustered cache, lock the item
    
    Specified by:
    
    lock in interface Cache
    
    Throws:
    
    CacheException
  - unlock
```
public void unlock(Object key)
            throws CacheException
```
    Description copied from interface: Cache
    
    If this is a clustered cache, unlock the item
    
    Specified by:
    
    unlock in interface Cache
    
    Throws:
    
    CacheException
  - nextTimestamp
```
public long nextTimestamp()
```
    Description copied from interface: Cache
    
    Generate a timestamp
    
    Specified by:
    
    nextTimestamp in interface Cache
  - getTimeout
```
public int getTimeout()
```
    Description copied from interface: Cache
    
    Get a reasonable "lock timeout"
    
    Specified by:
    
    getTimeout in interface Cache
  - getSizeInMemory
```
public long getSizeInMemory()
```
    Description copied from interface: Cache
    
    The number of bytes is this cache region currently consuming in memory.
    
    Specified by:
    
    getSizeInMemory in interface Cache
    
    Returns:
    The number of bytes consumed by this region; -1 if unknown or unsupported.
  - getElementCountInMemory
```
public long getElementCountInMemory()
```
    Description copied from interface: Cache
    
    The count of entries currently contained in the regions in-memory store.
    
    Specified by:
    
    getElementCountInMemory in interface Cache
    
    Returns:
    The count of entries in memory; -1 if unknown or unsupported.
  - getElementCountOnDisk
```
public long getElementCountOnDisk()
```
    Description copied from interface: Cache
    
    The count of entries currently contained in the regions disk store.
    
    Specified by:
    
    getElementCountOnDisk in interface Cache
    
    Returns:
    The count of entries on disk; -1 if unknown or unsupported.
  - toMap
```
public Map toMap()
```
    Description copied from interface: Cache
    
    optional operation
    
    Specified by:
    
    toMap in interface Cache
  - toString
```
public String toString()
```
    Overrides:
    
    toString in class Object

Class HashtableCache

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

HashtableCache

Method Detail

getRegionName

read

get

update

put

remove

clear

destroy

lock

unlock

nextTimestamp

getTimeout

getSizeInMemory

getElementCountInMemory

getElementCountOnDisk

toMap

toString