org.openjdk.jol.heap

Class HeapDumpReader

java.lang.Object

org.openjdk.jol.heap.HeapDumpReader

public class HeapDumpReader
extends Object

Experimental heap dump reader

Author:

Aleksey Shipilev

Constructor Summary

Constructors

Constructor and Description
HeapDumpReader(File file)

Method Summary

Methods

Modifier and Type	Method and Description
Multiset<ClassData>	parse()
protected void	visitClass(long id, String name, List<Integer> oopIdx, int oopSize)
protected void	visitInstance(long id, long klassID, byte[] bytes)
protected void	visitPrimArray(long id, String componentType, int count, byte[] bytes)

Methods inherited from class java.lang.Object

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

Constructor Detail

HeapDumpReader

public HeapDumpReader(File file)
               throws IOException

Throws:

IOException

Method Detail

parse

public Multiset<ClassData> parse()
                          throws IOException,
                                 HeapDumpException

Throws:

IOException

HeapDumpException

visitInstance

protected void visitInstance(long id,
                 long klassID,
                 byte[] bytes)

visitClass

protected void visitClass(long id,
              String name,
              List<Integer> oopIdx,
              int oopSize)

visitPrimArray

protected void visitPrimArray(long id,
                  String componentType,
                  int count,
                  byte[] bytes)