Package net.sf.ehcache.store.disk

Class DiskSizeOfEngine

  • All Implemented Interfaces:
    SizeOfEngine
    public class DiskSizeOfEngine
extends java.lang.Object
implements SizeOfEngine
    SizeOf engine which calculates exact usage of the disk store.
    Author:
    Ludovic Orban

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      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​(java.lang.Object key, java.lang.Object value, java.lang.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​(java.lang.Object key,
                   java.lang.Object value,
                   java.lang.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