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java.lang.Objectjava.awt.Component
java.awt.Container
java.awt.Panel
java.applet.Applet
org.jgroups.demos.wb.Whiteboard
public class Whiteboard
Shared whiteboard: members are represented by rectangles that contain their names and the OS/arch of the machine they are working on. The boxes can be moved by anyone and by clicking on them, messages can be sent to specific or all members. Whiteboard is both an application and an applet.
Nested Class Summary |
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Nested classes/interfaces inherited from class java.applet.Applet |
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java.applet.Applet.AccessibleApplet |
Nested classes/interfaces inherited from class java.awt.Panel |
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java.awt.Panel.AccessibleAWTPanel |
Nested classes/interfaces inherited from class java.awt.Container |
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java.awt.Container.AccessibleAWTContainer |
Nested classes/interfaces inherited from class java.awt.Component |
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java.awt.Component.AccessibleAWTComponent, java.awt.Component.BaselineResizeBehavior, java.awt.Component.BltBufferStrategy, java.awt.Component.FlipBufferStrategy |
Field Summary | |
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RpcDispatcher |
disp
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static java.lang.String |
groupname
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Fields inherited from class java.awt.Component |
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BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, LEFT_ALIGNMENT, RIGHT_ALIGNMENT, TOP_ALIGNMENT |
Fields inherited from interface java.awt.image.ImageObserver |
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ABORT, ALLBITS, ERROR, FRAMEBITS, HEIGHT, PROPERTIES, SOMEBITS, WIDTH |
Constructor Summary | |
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Whiteboard()
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Whiteboard(java.lang.String properties)
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Method Summary | |
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void |
actionPerformed(java.awt.event.ActionEvent e)
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void |
addNode(java.lang.String lbl,
Address addr,
int xloc,
int yloc)
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void |
block()
Called (usually by the FLUSH protocol), as an indication that the member should stop sending messages. |
void |
componentHidden(java.awt.event.ComponentEvent e)
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void |
componentMoved(java.awt.event.ComponentEvent e)
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void |
componentResized(java.awt.event.ComponentEvent e)
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void |
componentShown(java.awt.event.ComponentEvent e)
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void |
destroy()
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void |
displayMessage(java.lang.String sender,
java.lang.String msg)
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void |
focusGained(java.awt.event.FocusEvent e)
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void |
focusLost(java.awt.event.FocusEvent e)
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byte[] |
getState()
Answers the group state; e.g., when joining. |
void |
init()
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static void |
main(java.lang.String[] args)
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void |
moveNode(Node n)
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void |
receive(Message m)
Called when a message is received. |
void |
removeNode(java.lang.Object addr)
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void |
repaint()
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void |
setState(byte[] new_state)
Sets the group state; e.g., when joining. |
void |
suspect(Address obj)
Called whenever a member is suspected of having crashed, but has not yet been excluded. |
void |
viewAccepted(View v)
Called when a change in membership has occurred. |
Methods inherited from class java.applet.Applet |
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getAccessibleContext, getAppletContext, getAppletInfo, getAudioClip, getAudioClip, getCodeBase, getDocumentBase, getImage, getImage, getLocale, getParameter, getParameterInfo, isActive, newAudioClip, play, play, resize, resize, setStub, showStatus, start, stop |
Methods inherited from class java.awt.Panel |
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addNotify |
Methods inherited from class java.awt.Container |
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add, add, add, add, add, addContainerListener, addImpl, addPropertyChangeListener, addPropertyChangeListener, applyComponentOrientation, areFocusTraversalKeysSet, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getAlignmentX, getAlignmentY, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getComponentZOrder, getContainerListeners, getFocusTraversalKeys, getFocusTraversalPolicy, getInsets, getLayout, getListeners, getMaximumSize, getMinimumSize, getMousePosition, getPreferredSize, insets, invalidate, isAncestorOf, isFocusCycleRoot, isFocusCycleRoot, isFocusTraversalPolicyProvider, isFocusTraversalPolicySet, layout, list, list, locate, minimumSize, paint, paintComponents, paramString, preferredSize, print, printComponents, processContainerEvent, processEvent, remove, remove, removeAll, removeContainerListener, removeNotify, setComponentZOrder, setFocusCycleRoot, setFocusTraversalKeys, setFocusTraversalPolicy, setFocusTraversalPolicyProvider, setFont, setLayout, transferFocusBackward, transferFocusDownCycle, update, validate, validateTree |
Methods inherited from class java.awt.Component |
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action, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addMouseWheelListener, bounds, checkImage, checkImage, coalesceEvents, contains, contains, createImage, createImage, createVolatileImage, createVolatileImage, disable, disableEvents, dispatchEvent, enable, enable, enableEvents, enableInputMethods, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, getBackground, getBaseline, getBaselineResizeBehavior, getBounds, getBounds, getColorModel, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusCycleRootAncestor, getFocusListeners, getFocusTraversalKeysEnabled, getFont, getFontMetrics, getForeground, getGraphics, getGraphicsConfiguration, getHeight, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputContext, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getLocation, getLocation, getLocationOnScreen, getMouseListeners, getMouseMotionListeners, getMousePosition, getMouseWheelListeners, getName, getParent, getPeer, getPropertyChangeListeners, getPropertyChangeListeners, getSize, getSize, getToolkit, getTreeLock, getWidth, getX, getY, gotFocus, handleEvent, hasFocus, hide, imageUpdate, inside, isBackgroundSet, isCursorSet, isDisplayable, isDoubleBuffered, isEnabled, isFocusable, isFocusOwner, isFocusTraversable, isFontSet, isForegroundSet, isLightweight, isMaximumSizeSet, isMinimumSizeSet, isOpaque, isPreferredSizeSet, isShowing, isValid, isVisible, keyDown, keyUp, list, list, list, location, lostFocus, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, postEvent, prepareImage, prepareImage, printAll, processComponentEvent, processFocusEvent, processHierarchyBoundsEvent, processHierarchyEvent, processInputMethodEvent, processKeyEvent, processMouseEvent, processMouseMotionEvent, processMouseWheelEvent, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, requestFocus, requestFocus, requestFocusInWindow, requestFocusInWindow, reshape, setBackground, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setEnabled, setFocusable, setFocusTraversalKeysEnabled, setForeground, setIgnoreRepaint, setLocale, setLocation, setLocation, setMaximumSize, setMinimumSize, setName, setPreferredSize, setSize, setSize, setVisible, show, show, size, toString, transferFocus, transferFocusUpCycle |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Field Detail |
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public RpcDispatcher disp
public static final java.lang.String groupname
Constructor Detail |
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public Whiteboard()
public Whiteboard(java.lang.String properties)
Method Detail |
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public void receive(Message m)
MessageListener
receive
in interface MessageListener
public byte[] getState()
MessageListener
getState
in interface MessageListener
public void setState(byte[] new_state)
MessageListener
setState
in interface MessageListener
public void init()
init
in class java.applet.Applet
public void destroy()
destroy
in class java.applet.Applet
public void repaint()
repaint
in class java.awt.Component
public void actionPerformed(java.awt.event.ActionEvent e)
actionPerformed
in interface java.awt.event.ActionListener
public void viewAccepted(View v)
MembershipListener
viewAccepted
in interface MembershipListener
public void suspect(Address obj)
MembershipListener
suspect
in interface MembershipListener
public void block()
MembershipListener
ExtendedMembershipListener.unblock()
.
Note that block() is the equivalent of reception of a BlockEvent in the pull mode.
block
in interface MembershipListener
public void moveNode(Node n)
public void addNode(java.lang.String lbl, Address addr, int xloc, int yloc)
public void removeNode(java.lang.Object addr)
public void displayMessage(java.lang.String sender, java.lang.String msg)
public void componentResized(java.awt.event.ComponentEvent e)
componentResized
in interface java.awt.event.ComponentListener
public void componentMoved(java.awt.event.ComponentEvent e)
componentMoved
in interface java.awt.event.ComponentListener
public void componentShown(java.awt.event.ComponentEvent e)
componentShown
in interface java.awt.event.ComponentListener
public void componentHidden(java.awt.event.ComponentEvent e)
componentHidden
in interface java.awt.event.ComponentListener
public void focusGained(java.awt.event.FocusEvent e)
focusGained
in interface java.awt.event.FocusListener
public void focusLost(java.awt.event.FocusEvent e)
focusLost
in interface java.awt.event.FocusListener
public static void main(java.lang.String[] args)
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