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## weka.gui.beans
Class Classifier

    java.lang.Object
      java.awt.Component
          java.awt.Container
              javax.swing.JComponent
                  javax.swing.JPanel
                      weka.gui.beans.Classifier

All Implemented Interfaces:
  java.awt.image.ImageObserver, java.awt.MenuContainer, java.io.Serializable, java.util.EventListener, javax.accessibility.Accessible, BeanCommon, EventConstraints, InstanceListener, TestSetListener, TrainingSetListener, UserRequestAcceptor, Visible, WekaWrapper

    public class Classifier

extends javax.swing.JPanel
implements BeanCommon, Visible, WekaWrapper, EventConstraints, java.io.Serializable, UserRequestAcceptor, TrainingSetListener, TestSetListener, InstanceListener

Bean that wraps around weka.classifiers

Since:
  1.0
Version:
  $Revision: 7398 $
Author:
  Mark Hall
See Also:
  `JPanel`, `BeanCommon`, `Visible`, `WekaWrapper`, `Serializable`, `UserRequestAcceptor`, `TrainingSetListener`, `TestSetListener`, Serialized Form

Nested Class Summary

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

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

Field Summary
`static java.lang.String` | `FILE_EXTENSION` the extension for serialized models (binary Java serialization)

Fields inherited from class javax.swing.JComponent
`TOOL_TIP_TEXT_KEY, UNDEFINED_CONDITION, WHEN_ANCESTOR_OF_FOCUSED_COMPONENT, WHEN_FOCUSED, WHEN_IN_FOCUSED_WINDOW`

Fields inherited from class java.awt.Component
`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
`Classifier()` Creates a new `Classifier` instance.

Method Summary
`void` | `acceptInstance(InstanceEvent e)` Accepts an instance for incremental processing.
`void` | `acceptTestSet(TestSetEvent e)` Accepts a test set for a batch trained classifier
`void` | `acceptTrainingSet(TrainingSetEvent e)` Accepts a training set and builds batch classifier
`void` | `addBatchClassifierListener(BatchClassifierListener cl)` Add a batch classifier listener
`void` | `addGraphListener(GraphListener cl)` Add a graph listener
`void` | `addIncrementalClassifierListener(IncrementalClassifierListener cl)` Add an incremental classifier listener
`void` | `addTextListener(TextListener cl)` Add a text listener
`boolean` | `connectionAllowed(java.beans.EventSetDescriptor esd)` Returns true if, at this time, the object will accept a connection according to the supplied EventSetDescriptor
`boolean` | `connectionAllowed(java.lang.String eventName)` Returns true if, at this time, the object will accept a connection with respect to the named event
`void` | `connectionNotification(java.lang.String eventName, java.lang.Object source)` Notify this object that it has been registered as a listener with a source with respect to the named event
`void` | `disconnectionNotification(java.lang.String eventName, java.lang.Object source)` Notify this object that it has been deregistered as a listener with a source with respect to the supplied event name
`java.util.Enumeration` | `enumerateRequests()` Return an enumeration of requests that can be made by the user
`boolean` | `eventGeneratable(java.beans.EventSetDescriptor esd)` Returns true, if at the current time, the event described by the supplied event descriptor could be generated.
`boolean` | `eventGeneratable(java.lang.String eventName)` Returns true, if at the current time, the named event could be generated.
`Classifier` | `getClassifier()` Get the classifier currently set for this wrapper
`Classifier` | `getClassifierTemplate()` Return the classifier template currently in use.
`java.lang.String` | `getCustomName()` Get the custom (descriptive) name for this bean (if one has been set)
`int` | `getExecutionSlots()` Get the number of execution slots (threads) used to train models.
`boolean` | `getUpdateIncrementalClassifier()` Get whether an incremental classifier will be updated on the incoming instance stream.
`BeanVisual` | `getVisual()` Gets the visual appearance of this wrapper bean
`java.lang.Object` | `getWrappedAlgorithm()` Returns the wrapped classifier
`java.lang.String` | `globalInfo()` Global info (if it exists) for the wrapped classifier
`boolean` | `hasIncomingBatchInstances()` Returns true if this classifier has an incoming connection that is a batch set of instances
`boolean` | `hasIncomingStreamInstances()` Returns true if this classifier has an incoming connection that is an instance stream
`boolean` | `isBusy()` Returns true if.
`void` | `loadModel()`
`void` | `performRequest(java.lang.String request)` Perform a particular request
`void` | `removeBatchClassifierListener(BatchClassifierListener cl)` Remove a batch classifier listener
`void` | `removeGraphListener(GraphListener cl)` Remove a graph listener
`void` | `removeIncrementalClassifierListener(IncrementalClassifierListener cl)` Remove an incremental classifier listener
`void` | `removeTextListener(TextListener cl)` Remove a text listener
`void` | `saveModel()`
`void` | `setClassifierTemplate(Classifier c)` Set the classifier for this wrapper
`void` | `setCustomName(java.lang.String name)` Set a custom (descriptive) name for this bean
`void` | `setExecutionSlots(int slots)` Set the number of execution slots (threads) to use to train models with.
`void` | `setLog(Logger logger)` Set a logger
`void` | `setUpdateIncrementalClassifier(boolean update)` Set whether an incremental classifier will be updated on the incoming instance stream.
`void` | `setVisual(BeanVisual newVisual)` Sets the visual appearance of this wrapper bean
`void` | `setWrappedAlgorithm(java.lang.Object algorithm)` Sets the algorithm (classifier) for this bean
`void` | `stop()` Stop any classifier action
`void` | `useDefaultVisual()` Use the default visual appearance for this bean

Methods inherited from class javax.swing.JPanel
`getAccessibleContext, getUI, getUIClassID, setUI, updateUI`

Methods inherited from class javax.swing.JComponent
`addAncestorListener, addNotify, addVetoableChangeListener, computeVisibleRect, contains, createToolTip, disable, enable, firePropertyChange, firePropertyChange, firePropertyChange, getActionForKeyStroke, getActionMap, getAlignmentX, getAlignmentY, getAncestorListeners, getAutoscrolls, getBaseline, getBaselineResizeBehavior, getBorder, getBounds, getClientProperty, 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, isDoubleBuffered, isLightweightComponent, isManagingFocus, isOpaque, isOptimizedDrawingEnabled, isPaintingForPrint, isPaintingTile, isRequestFocusEnabled, isValidateRoot, paint, paintImmediately, paintImmediately, print, printAll, putClientProperty, registerKeyboardAction, registerKeyboardAction, removeAncestorListener, removeNotify, removeVetoableChangeListener, repaint, repaint, requestDefaultFocus, requestFocus, requestFocus, 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, setVerifyInputWhenFocusTarget, setVisible, unregisterKeyboardAction, update`

Methods inherited from class java.awt.Container
`add, add, add, add, add, addContainerListener, 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, remove, remove, removeAll, removeContainerListener, setComponentZOrder, setFocusCycleRoot, setFocusTraversalPolicy, setFocusTraversalPolicyProvider, setLayout, transferFocusBackward, transferFocusDownCycle, validate`

Methods inherited from class java.awt.Component
`action, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addMouseWheelListener, bounds, checkImage, checkImage, contains, createImage, createImage, createVolatileImage, createVolatileImage, dispatchEvent, enable, enableInputMethods, 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, getPeer, getPropertyChangeListeners, getPropertyChangeListeners, getSize, getToolkit, getTreeLock, gotFocus, handleEvent, hasFocus, hide, 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, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, resize, resize, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setFocusable, setFocusTraversalKeysEnabled, setIgnoreRepaint, setLocale, setLocation, setLocation, setName, setSize, setSize, show, show, size, toString, transferFocus, transferFocusUpCycle`

Methods inherited from class java.lang.Object
`equals, getClass, hashCode, notify, notifyAll, wait, wait, wait`

Field Detail

### FILE_EXTENSION

    public static final java.lang.String FILE_EXTENSION

  the extension for serialized models (binary Java serialization)

  See Also:
    Constant Field Values

Constructor Detail

### Classifier

    public Classifier()

  Creates a new `Classifier` instance.

Method Detail

### globalInfo

    public java.lang.String globalInfo()

  Global info (if it exists) for the wrapped classifier

  Returns:
    the global info

### setCustomName

    public void setCustomName(java.lang.String name)

  Set a custom (descriptive) name for this bean

  Specified by:
    `setCustomName` in interface `BeanCommon`
  Parameters:
    `name` - the name to use

### getCustomName

    public java.lang.String getCustomName()

  Get the custom (descriptive) name for this bean (if one has been set)

  Specified by:
    `getCustomName` in interface `BeanCommon`
  Returns:
    the custom name (or the default name)

### getExecutionSlots

    public int getExecutionSlots()

  Get the number of execution slots (threads) used to train models.

  Returns:
    the number of execution slots.

### setExecutionSlots

    public void setExecutionSlots(int slots)

  Set the number of execution slots (threads) to use to train models with.

  Parameters:
    `slots` - the number of execution slots to use.

### setClassifierTemplate

    public void setClassifierTemplate(Classifier c)

  Set the classifier for this wrapper

  Parameters:
    `c` - a `weka.classifiers.Classifier` value

### getClassifierTemplate

    public Classifier getClassifierTemplate()

  Return the classifier template currently in use.

  Returns:
    the classifier template currently in use.

### hasIncomingStreamInstances

    public boolean hasIncomingStreamInstances()

  Returns true if this classifier has an incoming connection that is an instance stream

  Returns:
    true if has an incoming connection that is an instance stream

### hasIncomingBatchInstances

    public boolean hasIncomingBatchInstances()

  Returns true if this classifier has an incoming connection that is a batch set of instances

  Returns:
    a `boolean` value

### getClassifier

    public Classifier getClassifier()

  Get the classifier currently set for this wrapper

  Returns:
    a `weka.classifiers.Classifier` value

### setWrappedAlgorithm

    public void setWrappedAlgorithm(java.lang.Object algorithm)

  Sets the algorithm (classifier) for this bean

  Specified by:
    `setWrappedAlgorithm` in interface `WekaWrapper`
  Parameters:
    `algorithm` - an `Object` value
  Throws:
    `java.lang.IllegalArgumentException` - if an error occurs

### getWrappedAlgorithm

    public java.lang.Object getWrappedAlgorithm()

  Returns the wrapped classifier

  Specified by:
    `getWrappedAlgorithm` in interface `WekaWrapper`
  Returns:
    an `Object` value

### getUpdateIncrementalClassifier

    public boolean getUpdateIncrementalClassifier()

  Get whether an incremental classifier will be updated on the incoming instance stream.

  Returns:
    true if an incremental classifier is to be updated.

### setUpdateIncrementalClassifier

    public void setUpdateIncrementalClassifier(boolean update)

  Set whether an incremental classifier will be updated on the incoming instance stream.

  Parameters:
    `update` - true if an incremental classifier is to be updated.

### acceptInstance

    public void acceptInstance(InstanceEvent e)

  Accepts an instance for incremental processing.

  Specified by:
    `acceptInstance` in interface `InstanceListener`
  Parameters:
    `e` - an `InstanceEvent` value

### acceptTrainingSet

    public void acceptTrainingSet(TrainingSetEvent e)

  Accepts a training set and builds batch classifier

  Specified by:
    `acceptTrainingSet` in interface `TrainingSetListener`
  Parameters:
    `e` - a `TrainingSetEvent` value

### acceptTestSet

    public void acceptTestSet(TestSetEvent e)

  Accepts a test set for a batch trained classifier

  Specified by:
    `acceptTestSet` in interface `TestSetListener`
  Parameters:
    `e` - a `TestSetEvent` value

### setVisual

    public void setVisual(BeanVisual newVisual)

  Sets the visual appearance of this wrapper bean

  Specified by:
    `setVisual` in interface `Visible`
  Parameters:
    `newVisual` - a `BeanVisual` value

### getVisual

    public BeanVisual getVisual()

  Gets the visual appearance of this wrapper bean

  Specified by:
    `getVisual` in interface `Visible`
  Returns:
    a `BeanVisual` value

### useDefaultVisual

    public void useDefaultVisual()

  Use the default visual appearance for this bean

  Specified by:
    `useDefaultVisual` in interface `Visible`

### addBatchClassifierListener

    public void addBatchClassifierListener(BatchClassifierListener cl)

  Add a batch classifier listener

  Parameters:
    `cl` - a `BatchClassifierListener` value

### removeBatchClassifierListener

    public void removeBatchClassifierListener(BatchClassifierListener cl)

  Remove a batch classifier listener

  Parameters:
    `cl` - a `BatchClassifierListener` value

### addGraphListener

    public void addGraphListener(GraphListener cl)

  Add a graph listener

  Parameters:
    `cl` - a `GraphListener` value

### removeGraphListener

    public void removeGraphListener(GraphListener cl)

  Remove a graph listener

  Parameters:
    `cl` - a `GraphListener` value

### addTextListener

    public void addTextListener(TextListener cl)

  Add a text listener

  Parameters:
    `cl` - a `TextListener` value

### removeTextListener

    public void removeTextListener(TextListener cl)

  Remove a text listener

  Parameters:
    `cl` - a `TextListener` value

### addIncrementalClassifierListener

    public void addIncrementalClassifierListener(IncrementalClassifierListener cl)

  Add an incremental classifier listener

  Parameters:
    `cl` - an `IncrementalClassifierListener` value

### removeIncrementalClassifierListener

    public void removeIncrementalClassifierListener(IncrementalClassifierListener cl)

  Remove an incremental classifier listener

  Parameters:
    `cl` - an `IncrementalClassifierListener` value

### connectionAllowed

    public boolean connectionAllowed(java.lang.String eventName)

  Returns true if, at this time, the object will accept a connection with respect to the named event

  Specified by:
    `connectionAllowed` in interface `BeanCommon`
  Parameters:
    `eventName` - the event
  Returns:
    true if the object will accept a connection

### connectionAllowed

    public boolean connectionAllowed(java.beans.EventSetDescriptor esd)

  Returns true if, at this time, the object will accept a connection according to the supplied EventSetDescriptor

  Specified by:
    `connectionAllowed` in interface `BeanCommon`
  Parameters:
    `esd` - the EventSetDescriptor
  Returns:
    true if the object will accept a connection

### connectionNotification

    public void connectionNotification(java.lang.String eventName,
                                       java.lang.Object source)

  Notify this object that it has been registered as a listener with a source with respect to the named event

  Specified by:
    `connectionNotification` in interface `BeanCommon`
  Parameters:
    `eventName` - the event
    `source` - the source with which this object has been registered as a listener

### disconnectionNotification

    public void disconnectionNotification(java.lang.String eventName,
                                          java.lang.Object source)

  Notify this object that it has been deregistered as a listener with a source with respect to the supplied event name

  Specified by:
    `disconnectionNotification` in interface `BeanCommon`
  Parameters:
    `eventName` - the event
    `source` - the source with which this object has been registered as a listener

### stop

    public void stop()

  Stop any classifier action

  Specified by:
    `stop` in interface `BeanCommon`

### loadModel

    public void loadModel()

### saveModel

    public void saveModel()

### setLog

    public void setLog(Logger logger)

  Set a logger

  Specified by:
    `setLog` in interface `BeanCommon`
  Parameters:
    `logger` - a `Logger` value

### enumerateRequests

    public java.util.Enumeration enumerateRequests()

  Return an enumeration of requests that can be made by the user

  Specified by:
    `enumerateRequests` in interface `UserRequestAcceptor`
  Returns:
    an `Enumeration` value

### performRequest

    public void performRequest(java.lang.String request)

  Perform a particular request

  Specified by:
    `performRequest` in interface `UserRequestAcceptor`
  Parameters:
    `request` - the request to perform
  Throws:
    `java.lang.IllegalArgumentException` - if an error occurs

### eventGeneratable

    public boolean eventGeneratable(java.beans.EventSetDescriptor esd)

  Returns true, if at the current time, the event described by the supplied event descriptor could be generated.

  Parameters:
    `esd` - an `EventSetDescriptor` value
  Returns:
    a `boolean` value

### eventGeneratable

    public boolean eventGeneratable(java.lang.String eventName)

  Returns true, if at the current time, the named event could be generated. Assumes that the supplied event name is an event that could be generated by this bean

  Specified by:
    `eventGeneratable` in interface `EventConstraints`
  Parameters:
    `eventName` - the name of the event in question
  Returns:
    true if the named event could be generated at this point in time

### isBusy

    public boolean isBusy()

  Returns true if. at this time, the bean is busy with some (i.e. perhaps a worker thread is performing some calculation).

  Specified by:
    `isBusy` in interface `BeanCommon`
  Returns:
    true if the bean is busy.

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