Package io.deephaven.util.datastructures.intrusive

Class IntrusiveSoftLRU.Node.Adapter<T extends IntrusiveSoftLRU.Node<T>>

java.lang.Object

io.deephaven.util.datastructures.intrusive.IntrusiveSoftLRU.Node.Adapter<T>

Type Parameters:

T -

All Implemented Interfaces:

IntrusiveSoftLRU.Adapter<T>

Enclosing interface:

IntrusiveSoftLRU.Node<T extends IntrusiveSoftLRU.Node<T>>

public static class IntrusiveSoftLRU.Node.Adapter<T extends IntrusiveSoftLRU.Node<T>>
extends Object
implements IntrusiveSoftLRU.Adapter<T>

A basic adapter class for IntrusiveSoftLRU.Node items in the cache.

Constructor Summary

Constructors

Constructor	Description
Adapter()

Method Summary

Modifier and Type	Method	Description
static <T extends IntrusiveSoftLRU.Node<T>> IntrusiveSoftLRU.Adapter<T>	getInstance()
SoftReference<T>	getOwner(T cachedObject)	Get a SoftReference object which refers to the object being cached and will act as its "owner" in the cache.
int	getSlot(T cachedObject)	Get the slot in which the object is stored in the cache.
void	setSlot(T cachedObject, int slot)	Set the slot in which the reference is stored in the cache.

Methods inherited from class java.lang.Object

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

Constructor Details

Adapter

public Adapter()

Method Details

getInstance

public static <T extends IntrusiveSoftLRU.Node<T>>
IntrusiveSoftLRU.Adapter<T> getInstance()

getOwner

public SoftReference<T> getOwner(@NotNull
 T cachedObject)

Description copied from interface: IntrusiveSoftLRU.Adapter

Get a SoftReference object which refers to the object being cached and will act as its "owner" in the cache.

Specified by:

getOwner in interface IntrusiveSoftLRU.Adapter<T extends IntrusiveSoftLRU.Node<T>>

Parameters:

cachedObject - the object being cached.

Returns:

a SoftReference that refers to the item and will act as its "owner" in the cache.

getSlot

public int getSlot(@NotNull
 T cachedObject)

Description copied from interface: IntrusiveSoftLRU.Adapter

Get the slot in which the object is stored in the cache.

Specified by:

getSlot in interface IntrusiveSoftLRU.Adapter<T extends IntrusiveSoftLRU.Node<T>>

Parameters:

cachedObject - the being cached.

Returns:

the slot for the object.

setSlot

public void setSlot(@NotNull
 T cachedObject,
 int slot)

Description copied from interface: IntrusiveSoftLRU.Adapter

Set the slot in which the reference is stored in the cache.

Specified by:

setSlot in interface IntrusiveSoftLRU.Adapter<T extends IntrusiveSoftLRU.Node<T>>

Parameters:

cachedObject - the object being cached.

slot - the slot where it will be stored.