Package org.infinispan.commons.util

Class AbstractEntrySizeCalculatorHelper<K,V>

java.lang.Object

org.infinispan.commons.util.AbstractEntrySizeCalculatorHelper<K,V>

All Implemented Interfaces:

EntrySizeCalculator<K,V>

Direct Known Subclasses:

CacheEntrySizeCalculator, PrimitiveEntrySizeCalculator, WrappedByteArraySizeCalculator

public abstract class AbstractEntrySizeCalculatorHelper<K,V>
extends Object
implements EntrySizeCalculator<K,V>

Abstract class that provides a method to round up to the nearest value of 8 which is important for most jvm when doing size calculations. This is due to the fact that most JVMs align to the nearest 8 bytes for addressing purposes.

Field Summary

Fields

Modifier and Type	Field	Description
static final int	HEADER_AND_CLASS_REFERENCE
static final int	OBJECT_SIZE
static final int	POINTER_SIZE

Constructor Summary

Constructors

Constructor	Description
AbstractEntrySizeCalculatorHelper()

Method Summary

Modifier and Type	Method	Description
static long	roundUpToNearest8(long size)

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.infinispan.commons.util.EntrySizeCalculator

calculateSize

Field Details

OBJECT_SIZE

public static final int OBJECT_SIZE

POINTER_SIZE

public static final int POINTER_SIZE

HEADER_AND_CLASS_REFERENCE

public static final int HEADER_AND_CLASS_REFERENCE

Constructor Details

AbstractEntrySizeCalculatorHelper

public AbstractEntrySizeCalculatorHelper()

Method Details

roundUpToNearest8

public static long roundUpToNearest8(long size)