net.sf.ehcache.store.disk
Class DiskSizeOfEngine

java.lang.Object
  net.sf.ehcache.store.disk.DiskSizeOfEngine

All Implemented Interfaces:

SizeOfEngine

public class DiskSizeOfEngine
extends Object
implements SizeOfEngine

SizeOf engine which calculates exact usage of the disk store.

Author:

Ludovic Orban

Constructor Summary

DiskSizeOfEngine()

Method Summary

SizeOfEngine	copyWith(int maxDepth, boolean abortWhenMaxDepthExceeded) Make a copy of the SizeOf engine, preserving all of its internal state but overriding the specified parameters
Size	sizeOf(Object key, Object value, Object container) Size an element

Methods inherited from class java.lang.Object

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

Constructor Detail

DiskSizeOfEngine

public DiskSizeOfEngine()

Method Detail

sizeOf

public Size sizeOf(Object key,
                   Object value,
                   Object container)

Size an element

Specified by:

sizeOf in interface SizeOfEngine

Parameters:

key - the key of the element

value - the value of the element

container - the container of the element, ie: element object + eventual overhead

Returns:

the size of the element in bytes

copyWith

public SizeOfEngine copyWith(int maxDepth,
                             boolean abortWhenMaxDepthExceeded)

Make a copy of the SizeOf engine, preserving all of its internal state but overriding the specified parameters

Specified by:

copyWith in interface SizeOfEngine

Parameters:

maxDepth - maximum depth of the object graph to traverse

abortWhenMaxDepthExceeded - true if the object traversal should be aborted when the max depth is exceeded

Returns:

a copy of the SizeOf engine using the specified parameters