Package 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	Description
HeapDumpReader(File file)

Method Summary

Modifier and Type	Method	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 Details

HeapDumpReader

public HeapDumpReader(File file)
               throws IOException

Throws:

IOException

Method Details

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)