com.browseengine.bobo.util

Class MemoryManager<T>

java.lang.Object

com.browseengine.bobo.util.MemoryManager<T>

All Implemented Interfaces:

MemoryManagerAdminMBean

public class MemoryManager<T>
extends Object
implements MemoryManagerAdminMBean

Author:

"Xiaoyang Gu"

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	MemoryManager.Initializer<E>

Constructor Summary

Constructors

Constructor and Description
MemoryManager(MemoryManager.Initializer<T> initializer)

Method Summary

Methods

Modifier and Type	Method and Description
T	get(int reqsize)
MemoryManagerAdminMBean	getAdminMBean()
double	getHitRate()
long	getNumCacheHits()
long	getNumCacheMisses()
void	release(T buf) return the instance to the manager after use

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

MemoryManager

public MemoryManager(MemoryManager.Initializer<T> initializer)

Method Detail

getAdminMBean

public MemoryManagerAdminMBean getAdminMBean()

getNumCacheMisses

public long getNumCacheMisses()

Specified by:

getNumCacheMisses in interface MemoryManagerAdminMBean

getNumCacheHits

public long getNumCacheHits()

Specified by:

getNumCacheHits in interface MemoryManagerAdminMBean

getHitRate

public double getHitRate()

Specified by:

getHitRate in interface MemoryManagerAdminMBean

get

public T get(int reqsize)

Returns:

an initialized instance of type T. The size of the instance may not be the same as the requested size.

release

public void release(T buf)

return the instance to the manager after use

Parameters:

buf -