| java.lang.Object
 com.whirlycott.cache.CacheDecorator
| CacheDecorator | | public class CacheDecorator implements Runnable,Cache<K, V>,CacheDecoratorMBean(Code) | | Owns the cache tuning thread and provides housekeeping facilities for ManagedCache implementations. One
CacheDecorator is created for each Cache named in the whirlycache.xml configuration file.
author:
Phil Jacob |
| Method Summary | |
| public void | clear()
Clears the cache. | | protected void | configure(CacheConfiguration configuration)
Configures the Cache being decorated. | | public void | dispose()
Shut down this cache. | | protected void | doAdaptiveAccounting(int _value)
Looks at the last 'n' queries to determine whether the Cache should turn on optimizations for a mostly-read
environment (if the underlying implementation of ManagedCache supports this). | | protected void | expireItems()
Expires Items in need of expiration. | | protected int | getAdaptiveMemorySize()
| | public float | getAdaptiveRatio()
Calculates the adaptive hit rate for this cache. | | public String | getEfficiencyReport()
Returns an efficiency report string for this cache. | | protected int | getMaxSize()
Get the maximum size of the cache. | | protected CacheMaintenancePolicy | getPolicy()
| | public long | getQueriesPerSecond()
| | public int | getSize()
| | public float | getTotalHitrate()
Returns the total hitrate since this Cache was started. | | protected V | internalRemove(K _key)
An internal remove operation. | | protected V | internalRetrieve(K _key)
| | protected void | internalStore(K _key, V _value, long _expiresAfter)
All stores go through this. | | protected void | logStatistics()
Log some cache usage data depending on some conditions. | | public V | remove(K _key)
Removes an Object from the Cache and returns the removed Object. | | public V | retrieve(K _key)
Gets an Object from the Cache. | | public void | run()
| | public int | size()
Returns the number of items in the Cache. | | public void | store(K _key, V _value)
Store an object in the cache. | | public void | store(K _key, V _value, long _expiresAfter)
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| clear | | public void clear()(Code) | | Clears the cache.
|
| dispose | | public void dispose()(Code) | | Shut down this cache.
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| doAdaptiveAccounting | | protected void doAdaptiveAccounting(int _value)(Code) | | Looks at the last 'n' queries to determine whether the Cache should turn on optimizations for a mostly-read
environment (if the underlying implementation of ManagedCache supports this).
Parameters:
_value - varies depending on whether this was a read, write, or removal. |
| expireItems | | protected void expireItems()(Code) | | Expires Items in need of expiration.
|
| getAdaptiveMemorySize | | protected int getAdaptiveMemorySize()(Code) | | Returns the adaptiveMemorySize. |
| getAdaptiveRatio | | public float getAdaptiveRatio()(Code) | | Calculates the adaptive hit rate for this cache.
adaptive hit ratio. |
| getEfficiencyReport | | public String getEfficiencyReport()(Code) | | Returns an efficiency report string for this cache.
efficiency report for this cache. |
| getMaxSize | | protected int getMaxSize()(Code) | | Get the maximum size of the cache.
Returns the maxSize. |
| getQueriesPerSecond | | public long getQueriesPerSecond()(Code) | | |
| getSize | | public int getSize()(Code) | | |
| getTotalHitrate | | public float getTotalHitrate()(Code) | | Returns the total hitrate since this Cache was started.
Total hitrate. |
| internalRemove | | protected V internalRemove(K _key)(Code) | | An internal remove operation.
Parameters:
_key - removed item |
| internalRetrieve | | protected V internalRetrieve(K _key)(Code) | | |
| internalStore | | protected void internalStore(K _key, V _value, long _expiresAfter)(Code) | | All stores go through this.
Parameters:
_key -
Parameters:
_value -
Parameters:
_expiresAfter - specified in milliseconds |
| logStatistics | | protected void logStatistics()(Code) | | Log some cache usage data depending on some conditions.
|
| remove | | public V remove(K _key)(Code) | | Removes an Object from the Cache and returns the removed Object.
Parameters:
_key - key associated with object to remove. |
| retrieve | | public V retrieve(K _key)(Code) | | Gets an Object from the Cache.
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| size | | public int size()(Code) | | Returns the number of items in the Cache.
number of items in the cache. |
| store | | public void store(K _key, V _value)(Code) | | Store an object in the cache.
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| store | | public void store(K _key, V _value, long _expiresAfter)(Code) | | |
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