Package weka.gui.beans
Class Loader
- java.lang.Object
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- java.awt.Component
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- java.awt.Container
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- javax.swing.JComponent
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- javax.swing.JPanel
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- weka.gui.beans.AbstractDataSource
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- weka.gui.beans.Loader
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- All Implemented Interfaces:
java.awt.image.ImageObserver
,java.awt.MenuContainer
,java.beans.beancontext.BeanContextChild
,java.io.Serializable
,javax.accessibility.Accessible
,EnvironmentHandler
,BeanCommon
,DataSource
,EventConstraints
,Startable
,StructureProducer
,Visible
,WekaWrapper
public class Loader extends AbstractDataSource implements Startable, WekaWrapper, EventConstraints, BeanCommon, EnvironmentHandler, StructureProducer
Loads data sets using weka.core.converter classes- Since:
- 1.0
- Version:
- $Revision: 7458 $
- Author:
- Mark Hall
- See Also:
AbstractDataSource
,UserRequestAcceptor
, Serialized Form
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Field Summary
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Fields inherited from class javax.swing.JComponent
TOOL_TIP_TEXT_KEY, UNDEFINED_CONDITION, WHEN_ANCESTOR_OF_FOCUSED_COMPONENT, WHEN_FOCUSED, WHEN_IN_FOCUSED_WINDOW
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Constructor Summary
Constructors Constructor Description Loader()
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description void
addDataSourceListener(DataSourceListener dsl)
Add a listenervoid
addInstanceListener(InstanceListener dsl)
Add an instance listenerboolean
connectionAllowed(java.beans.EventSetDescriptor esd)
Returns true if, at this time, the object will accept a connection via the supplied EventSetDescriptor.boolean
connectionAllowed(java.lang.String eventName)
Returns true if, at this time, the object will accept a connection via the named eventvoid
connectionNotification(java.lang.String eventName, java.lang.Object source)
Notify this object that it has been registered as a listener with a source for receiving events described by the named event This object is responsible for recording this fact.void
disconnectionNotification(java.lang.String eventName, java.lang.Object source)
Notify this object that it has been deregistered as a listener with a source for named event.boolean
eventGeneratable(java.lang.String eventName)
Returns true if the named event can be generated at this timejava.lang.String
getCustomName()
Get the custom (descriptive) name for this bean (if one has been set)Loader
getLoader()
Get the loaderjava.lang.String
getStartMessage()
Gets a string that describes the start action.Instances
getStructure(java.lang.String eventName)
Get the structure of the output encapsulated in the named event.java.lang.Object
getWrappedAlgorithm()
Get the loaderjava.lang.String
globalInfo()
Global info (if it exists) for the wrapped loaderboolean
isBusy()
Returns true if.static void
main(java.lang.String[] args)
void
removeDataSourceListener(DataSourceListener dsl)
Remove a listenervoid
removeInstanceListener(InstanceListener dsl)
Remove an instance listenervoid
setBeanContext(java.beans.beancontext.BeanContext bc)
Set a bean context for this beanvoid
setCustomName(java.lang.String name)
Set a custom (descriptive) name for this beanvoid
setDB(boolean flag)
void
setEnvironment(Environment env)
Set environment variables to use.void
setLoader(Loader loader)
Set the loader to usevoid
setLog(Logger logger)
Set a loggervoid
setWrappedAlgorithm(java.lang.Object algorithm)
Set the loadervoid
start()
Start loadingvoid
startLoading()
Start loading datavoid
stop()
Stop any loading action.-
Methods inherited from class weka.gui.beans.AbstractDataSource
addPropertyChangeListener, addVetoableChangeListener, getBeanContext, getVisual, removePropertyChangeListener, removeVetoableChangeListener, setVisual, useDefaultVisual
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Methods inherited from class javax.swing.JPanel
getAccessibleContext, getUI, getUIClassID, setUI, updateUI
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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
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Methods inherited from class java.awt.Container
add, add, add, add, add, addContainerListener, 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
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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, 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, repaint, repaint, repaint, 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
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Method Detail
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globalInfo
public java.lang.String globalInfo()
Global info (if it exists) for the wrapped loader- Returns:
- the global info
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setDB
public void setDB(boolean flag)
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setBeanContext
public void setBeanContext(java.beans.beancontext.BeanContext bc)
Set a bean context for this bean- Specified by:
setBeanContext
in interfacejava.beans.beancontext.BeanContextChild
- Overrides:
setBeanContext
in classAbstractDataSource
- Parameters:
bc
- aBeanContext
value
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setLoader
public void setLoader(Loader loader)
Set the loader to use- Parameters:
loader
- aweka.core.converters.Loader
value
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getStructure
public Instances getStructure(java.lang.String eventName)
Get the structure of the output encapsulated in the named event. If the structure can't be determined in advance of seeing input, or this StructureProducer does not generate the named event, null should be returned.- Specified by:
getStructure
in interfaceStructureProducer
- Parameters:
eventName
- the name of the output event that encapsulates the requested output.- Returns:
- the structure of the output encapsulated in the named event or null if it can't be determined in advance of seeing input or the named event is not generated by this StructureProduce.
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getLoader
public Loader getLoader()
Get the loader- Returns:
- a
weka.core.converters.Loader
value
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setWrappedAlgorithm
public void setWrappedAlgorithm(java.lang.Object algorithm)
Set the loader- Specified by:
setWrappedAlgorithm
in interfaceWekaWrapper
- Parameters:
algorithm
- a Loader- Throws:
java.lang.IllegalArgumentException
- if an error occurs
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getWrappedAlgorithm
public java.lang.Object getWrappedAlgorithm()
Get the loader- Specified by:
getWrappedAlgorithm
in interfaceWekaWrapper
- Returns:
- a Loader
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startLoading
public void startLoading()
Start loading data
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start
public void start() throws java.lang.Exception
Start loading
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getStartMessage
public java.lang.String getStartMessage()
Gets a string that describes the start action. The KnowledgeFlow uses this in the popup contextual menu for the component. The string can be proceeded by a '$' character to indicate that the component can't be started at present.- Specified by:
getStartMessage
in interfaceStartable
- Returns:
- a string describing the start action.
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eventGeneratable
public boolean eventGeneratable(java.lang.String eventName)
Returns true if the named event can be generated at this time- Specified by:
eventGeneratable
in interfaceEventConstraints
- Parameters:
eventName
- the event- Returns:
- a
boolean
value
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addDataSourceListener
public void addDataSourceListener(DataSourceListener dsl)
Add a listener- Specified by:
addDataSourceListener
in interfaceDataSource
- Overrides:
addDataSourceListener
in classAbstractDataSource
- Parameters:
dsl
- aDataSourceListener
value
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removeDataSourceListener
public void removeDataSourceListener(DataSourceListener dsl)
Remove a listener- Specified by:
removeDataSourceListener
in interfaceDataSource
- Overrides:
removeDataSourceListener
in classAbstractDataSource
- Parameters:
dsl
- aDataSourceListener
value
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addInstanceListener
public void addInstanceListener(InstanceListener dsl)
Add an instance listener- Specified by:
addInstanceListener
in interfaceDataSource
- Overrides:
addInstanceListener
in classAbstractDataSource
- Parameters:
dsl
- aInstanceListener
value
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removeInstanceListener
public void removeInstanceListener(InstanceListener dsl)
Remove an instance listener- Specified by:
removeInstanceListener
in interfaceDataSource
- Overrides:
removeInstanceListener
in classAbstractDataSource
- Parameters:
dsl
- aInstanceListener
value
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main
public static void main(java.lang.String[] args)
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setCustomName
public void setCustomName(java.lang.String name)
Set a custom (descriptive) name for this bean- Specified by:
setCustomName
in interfaceBeanCommon
- Parameters:
name
- the name to use
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getCustomName
public java.lang.String getCustomName()
Get the custom (descriptive) name for this bean (if one has been set)- Specified by:
getCustomName
in interfaceBeanCommon
- Returns:
- the custom name (or the default name)
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setLog
public void setLog(Logger logger)
Set a logger- Specified by:
setLog
in interfaceBeanCommon
- Parameters:
logger
- aweka.gui.Logger
value
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setEnvironment
public void setEnvironment(Environment env)
Set environment variables to use.- Specified by:
setEnvironment
in interfaceEnvironmentHandler
- Parameters:
env
- the environment variables to use
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connectionAllowed
public boolean connectionAllowed(java.beans.EventSetDescriptor esd)
Returns true if, at this time, the object will accept a connection via the supplied EventSetDescriptor. Always returns false for loader.- Specified by:
connectionAllowed
in interfaceBeanCommon
- Parameters:
esd
- the EventSetDescriptor- Returns:
- true if the object will accept a connection
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connectionAllowed
public boolean connectionAllowed(java.lang.String eventName)
Returns true if, at this time, the object will accept a connection via the named event- Specified by:
connectionAllowed
in interfaceBeanCommon
- Parameters:
eventName
- the name of the event- Returns:
- true if the object will accept a connection
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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 for receiving events described by the named event This object is responsible for recording this fact.- Specified by:
connectionNotification
in interfaceBeanCommon
- Parameters:
eventName
- the eventsource
- the source with which this object has been registered as a listener
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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 for named event. This object is responsible for recording this fact.- Specified by:
disconnectionNotification
in interfaceBeanCommon
- Parameters:
eventName
- the eventsource
- the source with which this object has been registered as a listener
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stop
public void stop()
Stop any loading action.- Specified by:
stop
in interfaceBeanCommon
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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 interfaceBeanCommon
- Returns:
- true if the bean is busy.
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