com.caucho.profile

Class HeapDump

java.lang.Object

com.caucho.profile.HeapDump

Direct Known Subclasses:

ProHeapDump

public class HeapDump
extends java.lang.Object

Resin Professional capabilities to dump the heap.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	HeapDump()

Method Summary

Modifier and Type	Method and Description
static HeapDump	create() Creates/returns the HeapDump instance.
java.lang.Object	dump() Returns an array of the HeapDump entries.
java.lang.Object	getLastHeapDump() Returns the last heap dump
static boolean	isAvailable() Checks if the heap is available
java.lang.String	jsonHeapDump()
void	logHeapDump(java.util.logging.Logger log, java.util.logging.Level level)
void	writeExtendedHeapDump(java.io.PrintWriter out) Writes a text value of the heap dump to an output stream.
void	writeHeapDump(java.io.PrintWriter out) Writes a text value of the heap dump to an output stream.

Methods inherited from class java.lang.Object

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

Constructor Detail

HeapDump

protected HeapDump()

Method Detail

create

public static HeapDump create()

Creates/returns the HeapDump instance. Will throw an IllegalStateException if Resin Professional is not available.

isAvailable

public static boolean isAvailable()

Checks if the heap is available

dump

public java.lang.Object dump()

Returns an array of the HeapDump entries.

getLastHeapDump

public java.lang.Object getLastHeapDump()

Returns the last heap dump

writeHeapDump

public void writeHeapDump(java.io.PrintWriter out)
                   throws java.io.IOException

Writes a text value of the heap dump to an output stream.

Throws:

java.io.IOException

writeExtendedHeapDump

public void writeExtendedHeapDump(java.io.PrintWriter out)
                           throws java.io.IOException

Writes a text value of the heap dump to an output stream. Extended also write instance counts

Throws:

java.io.IOException

logHeapDump

public void logHeapDump(java.util.logging.Logger log,
                        java.util.logging.Level level)

jsonHeapDump

public java.lang.String jsonHeapDump()