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, EnvironmentHandler, BeanCommon, ConfigurationProducer, 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, ConfigurationProducer, EnvironmentHandler

  Bean that wraps around weka.classifiers
  Since:
    1.0
  Version:
    $Revision: 13477 $
  Author:
    Mark Hall
  See Also:
    `JPanel`, `BeanCommon`, `Visible`, `WekaWrapper`, `Serializable`, `UserRequestAcceptor`, `TrainingSetListener`, `TestSetListener`, `EnvironmentHandler`, 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

    Fields
    Modifier and Type | Field and Description
    --- | ---
    `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

    Constructors
    Constructor and Description
    `Classifier()` Creates a new `Classifier` instance.

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `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` | `addConfigurationListener(ConfigurationListener cl)` We don't have to keep track of configuration listeners (see the documentation for ConfigurationListener/ConfigurationEvent).
    `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<java.lang.String>` | `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.
    `boolean` | `getBlockOnLastFold()` Gets whether we are blocking on the last fold of the last run rather than rejecting any further data until all processing has been completed.
    `Classifier` | `getClassifier()` Get the currently trained classifier.
    `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.
    `java.lang.String` | `getLoadClassifierFileName()` Get the name of the classifier to load at execution time.
    `boolean` | `getResetIncrementalClassifier()` Get whether to reset (by calling buildClassifier()) an incremental classifier, and thus discarding any previously learned model, before processing the first instance in the incoming stream.
    `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` | `removeConfigurationListener(ConfigurationListener cl)` We don't have to keep track of configuration listeners (see the documentation for ConfigurationListener/ConfigurationEvent).
    `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` | `setBlockOnLastFold(boolean block)` Set whether to block on receiving the last fold of the last run rather than rejecting any further data until all processing is complete.
    `void` | `setClassifierTemplate(Classifier c)` Set the template classifier for this wrapper
    `void` | `setCustomName(java.lang.String name)` Set a custom (descriptive) name for this bean
    `void` | `setEnvironment(Environment env)` Set environment variables to pass on to the classifier (if if is an EnvironmentHandler)
    `void` | `setExecutionSlots(int slots)` Set the number of execution slots (threads) to use to train models with.
    `void` | `setLoadClassifierFileName(java.lang.String filename)` Set the name of the classifier to load at execution time.
    `void` | `setLog(Logger logger)` Set a logger
    `void` | `setResetIncrementalClassifier(boolean reset)` Set whether to reset (by calling buildClassifier()) an incremental classifier, and thus discarding any previously learned model, before processing the first instance in the incoming stream.
    `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, hide, 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, 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, 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, transferFocusBackward, 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.

    - #### setBlockOnLastFold

          public void setBlockOnLastFold(boolean block)

      Set whether to block on receiving the last fold of the last run rather than rejecting any further data until all processing is complete.
      Parameters:
        `block` - true if we should block on the last fold of the last run.

    - #### getBlockOnLastFold

          public boolean getBlockOnLastFold()

      Gets whether we are blocking on the last fold of the last run rather than rejecting any further data until all processing has been completed.
      Returns:
        true if we are blocking on the last fold of the last run

    - #### setClassifierTemplate

          public void setClassifierTemplate(Classifier c)

      Set the template 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 currently trained classifier.
      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

    - #### setLoadClassifierFileName

          public void setLoadClassifierFileName(java.lang.String filename)

      Set the name of the classifier to load at execution time. This only applies in the case where the only incoming connection is a test set connection (batch mode) or an instance connection (incremental mode).
      Parameters:
        `filename` - the name of the file to load the model from

    - #### getLoadClassifierFileName

          public java.lang.String getLoadClassifierFileName()

      Get the name of the classifier to load at execution time. This only applies in the case where the only incoming connection is a test set connection (batch mode) or an instance connection (incremental mode).
      Returns:
        the name of the file to load the model from

    - #### setResetIncrementalClassifier

          public void setResetIncrementalClassifier(boolean reset)

      Set whether to reset (by calling buildClassifier()) an incremental classifier, and thus discarding any previously learned model, before processing the first instance in the incoming stream. Note that this happens automatically if the incoming instances structure does not match that of any previous structure used to train the model.
      Parameters:
        `reset` - true if the incremental classifier should be reset before processing the first instance in the incoming data stream

    - #### getResetIncrementalClassifier

          public boolean getResetIncrementalClassifier()

      Get whether to reset (by calling buildClassifier()) an incremental classifier, and thus discarding any previously learned model, before processing the first instance in the incoming stream. Note that this happens automatically if the incoming instances structure does not match that of any previous structure used to train the model.

    - #### 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

    - #### addConfigurationListener

          public void addConfigurationListener(ConfigurationListener cl)

      We don't have to keep track of configuration listeners (see the documentation for ConfigurationListener/ConfigurationEvent).
      Specified by:
        `addConfigurationListener` in interface `ConfigurationProducer`
      Parameters:
        `cl` - a ConfigurationListener.

    - #### removeConfigurationListener

          public void removeConfigurationListener(ConfigurationListener cl)

      We don't have to keep track of configuration listeners (see the documentation for ConfigurationListener/ConfigurationEvent).
      Specified by:
        `removeConfigurationListener` in interface `ConfigurationProducer`
      Parameters:
        `cl` - a ConfigurationListener.

    - #### 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<java.lang.String> 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.

    - #### setEnvironment

          public void setEnvironment(Environment env)

      Set environment variables to pass on to the classifier (if if is an EnvironmentHandler)
      Specified by:
        `setEnvironment` in interface `EnvironmentHandler`
      Parameters:
        `env` - the environment variables to use