org.github.jamm.listeners

Class NoopMemoryMeterListener

java.lang.Object

org.github.jamm.listeners.NoopMemoryMeterListener

All Implemented Interfaces:

MemoryMeterListener

public final class NoopMemoryMeterListener
extends Object
implements MemoryMeterListener

Listener that does nothing.

Nested Class Summary

Nested classes/interfaces inherited from interface org.github.jamm.MemoryMeterListener

MemoryMeterListener.Factory

Field Summary

Fields

Modifier and Type	Field and Description
static MemoryMeterListener.Factory	FACTORY

Method Summary

Modifier and Type	Method and Description
void	arrayElementAdded(Object[] array, int index, Object elementValue) Notification that the element from the specified array has been added.
void	byteBufferRemainingMeasured(ByteBuffer buffer, long size) Notification that the size of the remaining bytes of a ByteBuffer have been measured.
void	done(long size) Notification that the entire graph has been measured.
void	failedToAccessField(Object obj, String fieldName, Class<?> fieldType) Notification that the graph could not be fully measured has it failed to access a field.
void	fieldAdded(Object obj, String fieldName, Object fieldValue) Notification that the field from the specified object has been added.
void	objectMeasured(Object current, long size) Notification that the size of the specified object has been measured.
void	started(Object obj) Notification that MemoryMeter as started analyzing the specified object.

Methods inherited from class java.lang.Object

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

Field Detail

FACTORY

public static final MemoryMeterListener.Factory FACTORY

Method Detail

objectMeasured

public void objectMeasured(Object current,
                           long size)

Description copied from interface: MemoryMeterListener

Notification that the size of the specified object has been measured.

Specified by:

objectMeasured in interface MemoryMeterListener

Parameters:

current - the object that has been measured

size - the object size in bytes

byteBufferRemainingMeasured

public void byteBufferRemainingMeasured(ByteBuffer buffer,
                                        long size)

Description copied from interface: MemoryMeterListener

Notification that the size of the remaining bytes of a ByteBuffer have been measured.

Specified by:

byteBufferRemainingMeasured in interface MemoryMeterListener

Parameters:

buffer - the ByteBuffer

size - the remaining bytes

fieldAdded

public void fieldAdded(Object obj,
                       String fieldName,
                       Object fieldValue)

Description copied from interface: MemoryMeterListener

Notification that the field from the specified object has been added.

Specified by:

fieldAdded in interface MemoryMeterListener

Parameters:

obj - the object for which a field has been added

fieldName - the field name

fieldValue - the field value

arrayElementAdded

public void arrayElementAdded(Object[] array,
                              int index,
                              Object elementValue)

Description copied from interface: MemoryMeterListener

Notification that the element from the specified array has been added.

Specified by:

arrayElementAdded in interface MemoryMeterListener

Parameters:

array - the array for which an element has been added

index - the element index

elementValue - the element value

done

public void done(long size)

Description copied from interface: MemoryMeterListener

Notification that the entire graph has been measured.

Specified by:

done in interface MemoryMeterListener

Parameters:

size - the size of the entire graph.

failedToAccessField

public void failedToAccessField(Object obj,
                                String fieldName,
                                Class<?> fieldType)

Description copied from interface: MemoryMeterListener

Notification that the graph could not be fully measured has it failed to access a field.

Specified by:

failedToAccessField in interface MemoryMeterListener

Parameters:

obj - the object owning the field that could not be accessed

fieldName - the field name

fieldType - the field type

started

public void started(Object obj)

Description copied from interface: MemoryMeterListener

Notification that MemoryMeter as started analyzing the specified object.

Specified by:

started in interface MemoryMeterListener

Parameters:

obj - the object being analyzed