org.cip4.jdflib.util

Class MemorySpy

java.lang.Object

org.cip4.jdflib.util.MemorySpy

public class MemorySpy
extends java.lang.Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	MemorySpy.MemScope

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	CURRENT
static java.lang.String	FREE
static java.lang.String	TOTAL

Constructor Summary

Constructors

Constructor and Description
MemorySpy()

Method Summary

Modifier and Type	Method and Description
long	getCurrentMem() get the currently used memory
long	getFreeMem()
long	getHeapUsed(MemorySpy.MemScope scope)
long	getMemFromPool(java.lang.String name, MemorySpy.MemScope scope)
long	getNonHeapUsed(MemorySpy.MemScope scope)
long	getPermGen(MemorySpy.MemScope scope)
java.util.Map<java.lang.String,java.lang.Long>	getSizeMap()
java.lang.String	getSummary() get a fast summary for debugging
java.lang.String	getSummary(java.lang.String delim) get a fast summary for debugging
java.util.Map<java.lang.String,java.lang.Long>	getSummaryMap() get a fast summary for debugging
long	getTotalMemory()
static boolean	isDefaultMega()
boolean	isWantMega()
static void	setDefaultMega(boolean defaultMega)
void	setWantMega(boolean wantMega) if true we want it in Megabytes
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

CURRENT

public static final java.lang.String CURRENT

See Also:

Constant Field Values

TOTAL

public static final java.lang.String TOTAL

See Also:

Constant Field Values

FREE

public static final java.lang.String FREE

See Also:

Constant Field Values

Constructor Detail

MemorySpy

public MemorySpy()

Method Detail

isDefaultMega

public static boolean isDefaultMega()

Returns:

the defaultMega

setDefaultMega

public static void setDefaultMega(boolean defaultMega)

Parameters:

defaultMega - the defaultMega to set

getSizeMap

public java.util.Map<java.lang.String,java.lang.Long> getSizeMap()

Returns:

getHeapUsed

public long getHeapUsed(MemorySpy.MemScope scope)

Parameters:

scope -

Returns:

getNonHeapUsed

public long getNonHeapUsed(MemorySpy.MemScope scope)

Parameters:

scope -

Returns:

getPermGen

public long getPermGen(MemorySpy.MemScope scope)

Parameters:

scope -

Returns:

getMemFromPool

public long getMemFromPool(java.lang.String name,
                           MemorySpy.MemScope scope)

Parameters:

name -

scope -

Returns:

getSummary

public java.lang.String getSummary(java.lang.String delim)

get a fast summary for debugging

Returns:

getSummary

public java.lang.String getSummary()

get a fast summary for debugging

Returns:

getCurrentMem

public long getCurrentMem()

get the currently used memory

Returns:

the used memory

getSummaryMap

public java.util.Map<java.lang.String,java.lang.Long> getSummaryMap()

get a fast summary for debugging

Returns:

getTotalMemory

public long getTotalMemory()

Returns:

getFreeMem

public long getFreeMem()

Returns:

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

Returns:

See Also:

Object.toString()

isWantMega

public boolean isWantMega()

Returns:

setWantMega

public void setWantMega(boolean wantMega)

if true we want it in Megabytes

Parameters:

wantMega -