Package edu.wisc.ssec.mcidasv.util

Class MemoryMonitor

java.lang.Object

java.awt.Component

java.awt.Container

javax.swing.JComponent

javax.swing.JPanel

edu.wisc.ssec.mcidasv.util.MemoryMonitor

All Implemented Interfaces:

ImageObserver, MenuContainer, Serializable, Runnable, Accessible

public class MemoryMonitor
extends JPanel
implements Runnable

See Also:

• Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class javax.swing.JPanel

JPanel.AccessibleJPanel

Nested classes/interfaces inherited from class javax.swing.JComponent

JComponent.AccessibleJComponent

Nested classes/interfaces inherited from class java.awt.Container

Container.AccessibleAWTContainer

Nested classes/interfaces inherited from class java.awt.Component

Component.AccessibleAWTComponent, Component.BaselineResizeBehavior, Component.BltBufferStrategy, Component.FlipBufferStrategy

Field Summary

Fields

Modifier and Type	Field	Description
private static SimpleDateFormat	clockFormat
private static DecimalFormat	fmt	format
private JLabel	label	the label
private static long	lastTimeRanGC	Keep track of the last time we ran the gc and cleared the cache
private static final org.slf4j.Logger	logger
private String	mbString
private static double	MEGABYTE
private String	memoryString
private final int	percentCancel	percent cancel
private final int	percentThreshold	percent threshold
private boolean	running	flag for running
private static final long	serialVersionUID
private boolean	showClock
private final long	sleepInterval	sleep interval
private StateManager	stateManager
private Thread	thread	a thread
private int	timesAboveThreshold	number of times above the threshold
private boolean	triedToCancel	have we tried to cancel the load yet

Fields inherited from class javax.swing.JComponent

listenerList, TOOL_TIP_TEXT_KEY, ui, UNDEFINED_CONDITION, WHEN_ANCESTOR_OF_FOCUSED_COMPONENT, WHEN_FOCUSED, WHEN_IN_FOCUSED_WINDOW

Fields inherited from class java.awt.Component

accessibleContext, BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, LEFT_ALIGNMENT, RIGHT_ALIGNMENT, TOP_ALIGNMENT

Fields inherited from interface java.awt.image.ImageObserver

ABORT, ALLBITS, ERROR, FRAMEBITS, HEIGHT, PROPERTIES, SOMEBITS, WIDTH

Constructor Summary

Constructors

Constructor	Description
MemoryMonitor(StateManager stateManager)	Default constructor.
MemoryMonitor(StateManager stateManager, int percentThreshold, int percentCancel, boolean showClock)	Create a new MemoryMonitor.

Method Summary

Modifier and Type	Method	Description
private Color	doColorThing(int percent)
boolean	getRunning()	Get whether we are running
private String	getToolTip()	Returns a description of either the clock or memory monitor GUI.
private void	handleMouseEvent(MouseEvent event)	Handle a mouse event
static void	main(String[] args)	Test routine
private void	popupMenu(MouseEvent event)	Popup a menu on an event
void	run()	Run this monitor
void	runGC()	Run the GC and clear the cache
void	setLabelFont(Font f)	Set the label font
void	setRunning(boolean r)	Set whether we are running
private void	showStats()	Show the statistics.
private void	start()	Start running
void	stop()	Stop running
private void	toggleClock()
void	toggleRunning()	Toggle running

Methods inherited from class javax.swing.JPanel

getAccessibleContext, getUI, getUIClassID, paramString, setUI, updateUI

Methods inherited from class javax.swing.JComponent

addAncestorListener, addNotify, addVetoableChangeListener, computeVisibleRect, contains, createToolTip, disable, enable, firePropertyChange, firePropertyChange, firePropertyChange, fireVetoableChange, getActionForKeyStroke, getActionMap, getAlignmentX, getAlignmentY, getAncestorListeners, getAutoscrolls, getBaseline, getBaselineResizeBehavior, getBorder, getBounds, getClientProperty, getComponentGraphics, getComponentPopupMenu, getConditionForKeyStroke, getDebugGraphicsOptions, getDefaultLocale, getFontMetrics, getGraphics, getHeight, getInheritsPopupMenu, getInputMap, getInputMap, getInputVerifier, getInsets, getInsets, getListeners, getLocation, getMaximumSize, getMinimumSize, getNextFocusableComponent, getPopupLocation, getPreferredSize, getRegisteredKeyStrokes, getRootPane, getSize, getToolTipLocation, getToolTipText, getToolTipText, getTopLevelAncestor, getTransferHandler, getVerifyInputWhenFocusTarget, getVetoableChangeListeners, getVisibleRect, getWidth, getX, getY, grabFocus, hide, isDoubleBuffered, isLightweightComponent, isManagingFocus, isOpaque, isOptimizedDrawingEnabled, isPaintingForPrint, isPaintingOrigin, isPaintingTile, isRequestFocusEnabled, isValidateRoot, paint, paintBorder, paintChildren, paintComponent, paintImmediately, paintImmediately, print, printAll, printBorder, printChildren, printComponent, processComponentKeyEvent, processKeyBinding, processKeyEvent, processMouseEvent, processMouseMotionEvent, putClientProperty, registerKeyboardAction, registerKeyboardAction, removeAncestorListener, removeNotify, removeVetoableChangeListener, repaint, repaint, requestDefaultFocus, requestFocus, requestFocus, requestFocusInWindow, requestFocusInWindow, resetKeyboardActions, reshape, revalidate, scrollRectToVisible, setActionMap, setAlignmentX, setAlignmentY, setAutoscrolls, setBackground, setBorder, setComponentPopupMenu, setDebugGraphicsOptions, setDefaultLocale, setDoubleBuffered, setEnabled, setFocusTraversalKeys, setFont, setForeground, setInheritsPopupMenu, setInputMap, setInputVerifier, setMaximumSize, setMinimumSize, setNextFocusableComponent, setOpaque, setPreferredSize, setRequestFocusEnabled, setToolTipText, setTransferHandler, setUI, setVerifyInputWhenFocusTarget, setVisible, unregisterKeyboardAction, update

Methods inherited from class java.awt.Container

add, add, add, add, add, addContainerListener, addImpl, addPropertyChangeListener, addPropertyChangeListener, applyComponentOrientation, areFocusTraversalKeysSet, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getComponentZOrder, getContainerListeners, getFocusTraversalKeys, getFocusTraversalPolicy, getLayout, getMousePosition, insets, invalidate, isAncestorOf, isFocusCycleRoot, isFocusCycleRoot, isFocusTraversalPolicyProvider, isFocusTraversalPolicySet, layout, list, list, locate, minimumSize, paintComponents, preferredSize, printComponents, processContainerEvent, processEvent, remove, remove, removeAll, removeContainerListener, setComponentZOrder, setFocusCycleRoot, setFocusTraversalPolicy, setFocusTraversalPolicyProvider, setLayout, transferFocusDownCycle, validate, validateTree

Methods inherited from class java.awt.Component

action, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addMouseWheelListener, bounds, checkImage, checkImage, coalesceEvents, contains, createImage, createImage, createVolatileImage, createVolatileImage, disableEvents, dispatchEvent, enable, enableEvents, enableInputMethods, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, getBackground, getBounds, getColorModel, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusCycleRootAncestor, getFocusListeners, getFocusTraversalKeysEnabled, getFont, getForeground, getGraphicsConfiguration, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputContext, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getLocale, getLocation, getLocationOnScreen, getMouseListeners, getMouseMotionListeners, getMousePosition, getMouseWheelListeners, getName, getParent, getPropertyChangeListeners, getPropertyChangeListeners, getSize, getToolkit, getTreeLock, gotFocus, handleEvent, hasFocus, imageUpdate, inside, isBackgroundSet, isCursorSet, isDisplayable, isEnabled, isFocusable, isFocusOwner, isFocusTraversable, isFontSet, isForegroundSet, isLightweight, isMaximumSizeSet, isMinimumSizeSet, isPreferredSizeSet, isShowing, isValid, isVisible, keyDown, keyUp, list, list, list, location, lostFocus, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, postEvent, prepareImage, prepareImage, processComponentEvent, processFocusEvent, processHierarchyBoundsEvent, processHierarchyEvent, processInputMethodEvent, processMouseWheelEvent, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, requestFocus, requestFocus, requestFocusInWindow, resize, resize, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setFocusable, setFocusTraversalKeysEnabled, setIgnoreRepaint, setLocale, setLocation, setLocation, setMixingCutoutShape, setName, setSize, setSize, show, show, size, toString, transferFocus, transferFocusBackward, transferFocusUpCycle

Methods inherited from class java.lang.Object

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

Field Details

logger

private static final org.slf4j.Logger logger

serialVersionUID

private static final long serialVersionUID

See Also:

• Constant Field Values

running

private boolean running

flag for running

sleepInterval

private final long sleepInterval

sleep interval

See Also:

• Constant Field Values

thread

private Thread thread

a thread

percentThreshold

private final int percentThreshold

percent threshold

timesAboveThreshold

private int timesAboveThreshold

number of times above the threshold

percentCancel

private final int percentCancel

percent cancel

triedToCancel

private boolean triedToCancel

have we tried to cancel the load yet

fmt

private static DecimalFormat fmt

format

label

private JLabel label

the label

lastTimeRanGC

private static long lastTimeRanGC

Keep track of the last time we ran the gc and cleared the cache

stateManager

private StateManager stateManager

memoryString

private String memoryString

mbString

private String mbString

showClock

private boolean showClock

clockFormat

private static SimpleDateFormat clockFormat

MEGABYTE

private static double MEGABYTE

Constructor Details

MemoryMonitor

public MemoryMonitor(StateManager stateManager)

Default constructor.

Parameters:

stateManager - Reference back to application session's StateManager. Cannot be null.

MemoryMonitor

public MemoryMonitor(StateManager stateManager,
 int percentThreshold,
 int percentCancel,
 boolean showClock)

Create a new MemoryMonitor.

Parameters:

stateManager - Reference back to application session's StateManager. Cannot be null.

percentThreshold - Percentage of use memory before garbage collection is run.

percentCancel - Not currently in use.

showClock - Whether or not the clock should be shown instead of the memory monitor widget.

Method Details

handleMouseEvent

private void handleMouseEvent(MouseEvent event)

Handle a mouse event

Parameters:

event - the event

toggleClock

private void toggleClock()

getToolTip

private String getToolTip()

Returns a description of either the clock or memory monitor GUI.

Returns:

Description of either the clock or memory monitor GUI.

popupMenu

private void popupMenu(MouseEvent event)

Popup a menu on an event

Parameters:

event - the event

toggleRunning

public void toggleRunning()

Toggle running

setLabelFont

public void setLabelFont(Font f)

Set the label font

Parameters:

f - the font

stop

public void stop()

Stop running

start

private void start()

Start running

runGC

public void runGC()

Run the GC and clear the cache

showStats

private void showStats()
                throws IllegalStateException

Show the statistics.

Throws:

IllegalStateException

doColorThing

private Color doColorThing(int percent)

run

public void run()

Run this monitor

Specified by:

run in interface Runnable

setRunning

public void setRunning(boolean r)

Set whether we are running

Parameters:

r - true if we are running

getRunning

public boolean getRunning()

Get whether we are running

Returns:

true if we are

main

public static void main(String[] args)

Test routine

Parameters:

args - not used