org.joone.io

Class StreamInputSynapse

java.lang.Object

org.joone.engine.Synapse

org.joone.io.StreamInputSynapse

All Implemented Interfaces:

java.io.Serializable, InputPatternListener, Learnable, LearnableSynapse, NeuralElement, OutputPatternListener, Inspectable, InputSynapse, PlugInListener

Direct Known Subclasses:

FileInputSynapse, ImageInputSynapse, InputConnector, InputSwitchSynapse, JDBCInputSynapse, MemoryInputSynapse, URLInputSynapse, XLSInputSynapse, YahooFinanceInputSynapse

public abstract class StreamInputSynapse
extends Synapse
implements InputSynapse, Inspectable

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected int[]	cols
protected int	currentRow
protected boolean	EOF
protected java.util.Vector	InputVector
protected java.util.List	plugInListeners List of plug-in listeners (often input connectors).
protected PatternTokenizer	tokens

Fields inherited from class org.joone.engine.Synapse

array, b_pattern, bitems, bouts, count, enabled, fwdLock, inps, items, learnable, m_batch, m_pattern, myLearner, outs, revLock

Constructor Summary

Constructors

Constructor and Description
StreamInputSynapse()

Method Summary

Methods

Modifier and Type	Method and Description
boolean	addPlugIn(ConverterPlugIn aNewPlugIn) Adds a plug in to the stream input synapse for data preprocessing.
void	addPlugInListener(PlugInListener aListener) Adds a plug-in lsitener to this input stream.
protected void	backward(double[] pattern) Funzione di TRAIN dell'elemento.
java.util.TreeSet	check() Check that parameters are set correctly.
void	dataChanged(PlugInEvent data) This method is called by plug-ins whenever data is changed.
protected void	fireDataChanged() Fires an event to the plug-in listeners notifying that the underlying data has changed.
protected void	forward(double[] pattern) Recall function
Pattern	fwdGet() Returns the pattern coming from the previous layer during the recall phase
Pattern	fwdGet(InputConnector conn) This method is called by the InputConnector in order to get the next input pattern available for that connector
java.lang.String	getAdvancedColumnSelector()
java.util.List	getAllPlugInListeners() Gets all the plug-in listeners.
int	getCurrentRow() Getter for property currentRow.
char	getDecimalPoint() Returns the decimal point accepted (19/04/00 0.23.56)
int	getFirstCol() Deprecated.
int	getFirstRow()
java.util.Vector	getInputPatterns() Getter for property inputPatterns.
protected java.util.Vector	getInputVector()
int	getLastCol() Deprecated.
int	getLastRow()
int	getMaxBufSize() Getter for property maxBufSize.
ConverterPlugIn	getPlugIn() Gets the attached ConverterPlugin, if any
protected Pattern	getStream()
protected PatternTokenizer	getTokens() Getter for property tokens.
void	gotoFirstLine()
void	gotoLine(int numLine) Point to the indicated line into the input stream
protected void	handleExceptionWithError(java.lang.Exception ex, java.lang.String errMsg, ILogger log)
protected void	handleExceptionWithWarn(java.lang.Exception ex, java.lang.String errMsg, ILogger logger)
protected abstract void	initInputStream()
java.lang.String	InspectableTitle() Method to get the title to show in the InspectionFrame tab.
java.util.Collection	Inspections() Method to get a collection of inspectable objects.
boolean	isBuffered() Checks if the input synapse is buffered or not
boolean	isEOF() Returns if reached the EOF (10/04/00 23.16.20)
boolean	isStepCounter() Returns if this input layer is an active counter of the steps.
int	numColumns()
void	readAll() Reads all input values and fills the buffer
protected void	readObjectBase(java.io.ObjectInputStream in)
void	removeAllPlugIns() Removes (and disconnects) all (cascading) plug-ins.
void	removePlugInListener(PlugInListener aListener) Removes a plug-in listener from this input stream.
void	reset() reset the state of the input synapse
void	resetInput() Reset the input stream to read its content again
protected void	restart()
void	revPut(Pattern array) Method to put an error pattern backward to the previous layer
void	setAdvancedColumnSelector(java.lang.String newAdvColSel)
protected void	setArrays(int rows, int cols) setArrays method.
void	setBuffered(boolean aNewBuffered) Sets the buffer-mode for this input synapse.
protected void	setColList() Sets the list of columns that must be returned as the pattern Creation date: (18/10/2000 0.45.52)
void	setDecimalPoint(char dp)
protected void	setDimensions(int rows, int cols) Dimensiona l'elemento
protected void	setEOF(boolean newEOF)
void	setFirstCol(int firstCol) Deprecated.
void	setFirstRow(int newFirstRow) Inserire qui la descrizione del metodo.
void	setInputPatterns(java.util.Vector inputPatterns) Setter for property inputPatterns.
void	setLastCol(int lastCol) Deprecated.
void	setLastRow(int newLastRow) Inserire qui la descrizione del metodo.
void	setMaxBufSize(int maxBufSize) Setter for property maxBufSize.
boolean	setPlugin(ConverterPlugIn newPlugIn) Deprecated. addPlugIn(ConverterPlugIn). If you want to replace the plug in by setting a new plug in please use #removeAllPlugIns(ConverterPlugIn) and addPlugIn(ConverterPlugIn).
void	setPlugIn(ConverterPlugIn newPlugIn) Added for XML serialization **** DO NOT USE **** Use addPlugin instead
void	setStepCounter(boolean newStepCounter) Inserire qui la descrizione del metodo.
protected void	setTokens(PatternTokenizer tkn)
protected void	writeObjectBase(java.io.ObjectOutputStream out)
protected Pattern	zeroPattern()

Methods inherited from class org.joone.engine.Synapse

addNoise, canCountSteps, fwdPattern_consume, fwdPattern_produce, fwdPut, getCount, getFwdLock, getIgnoreBefore, getInputDimension, getLearner, getLearningRate, getMomentum, getMonitor, getName, getOutputDimension, getRevLock, getSynapseNameSafely, getWeights, init, initLearner, isEnabled, isInputFull, isLoopBack, isOutputFull, randomize, readResolve, revGet, revPattern_consume, revPattern_produce, setEnabled, setIgnoreBefore, setInputDimension, setInputFull, setLearningRate, setLoopBack, setMomentum, setMonitor, setName, setOutputDimension, setOutputFull, setWeights, warnLogger, warnLogger

Methods inherited from class java.lang.Object

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

Field Detail

cols

protected transient int[] cols

InputVector

protected transient java.util.Vector InputVector

currentRow

protected transient int currentRow

tokens

protected transient PatternTokenizer tokens

EOF

protected transient boolean EOF

plugInListeners

protected java.util.List plugInListeners

List of plug-in listeners (often input connectors).

Constructor Detail

StreamInputSynapse

public StreamInputSynapse()

Method Detail

backward

protected void backward(double[] pattern)

Description copied from class: Synapse

Funzione di TRAIN dell'elemento.

Specified by:

backward in class Synapse

Parameters:

pattern - double[] - pattern di input sul quale applicare la funzione di trasferimento

forward

protected void forward(double[] pattern)

Description copied from class: Synapse

Recall function

Specified by:

forward in class Synapse

Parameters:

pattern - double[] - input pattern. THIS PATTERN CANNOT BE CHANGED

fwdGet

public Pattern fwdGet()

Description copied from interface: InputPatternListener

Returns the pattern coming from the previous layer during the recall phase

Specified by:

fwdGet in interface InputPatternListener

Overrides:

fwdGet in class Synapse

Returns:

neural.engine.Pattern

getDecimalPoint

public char getDecimalPoint()

Returns the decimal point accepted (19/04/00 0.23.56)

Specified by:

getDecimalPoint in interface InputSynapse

Returns:

char

getFirstRow

public int getFirstRow()

Specified by:

getFirstRow in interface InputSynapse

Returns:

int

getInputVector

protected java.util.Vector getInputVector()

Returns:

java.util.Vector

getLastRow

public int getLastRow()

Specified by:

getLastRow in interface InputSynapse

Returns:

int

getStream

protected Pattern getStream()
                     throws java.io.IOException

Throws:

java.io.IOException

gotoFirstLine

public void gotoFirstLine()
                   throws java.io.IOException

Specified by:

gotoFirstLine in interface InputSynapse

Throws:

java.io.IOException

gotoLine

public void gotoLine(int numLine)
              throws java.io.IOException

Point to the indicated line into the input stream

Specified by:

gotoLine in interface InputSynapse

Throws:

java.io.IOException

isBuffered

public boolean isBuffered()

Checks if the input synapse is buffered or not

Specified by:

isBuffered in interface InputSynapse

Returns:

true in case the input stream is buffered, false otherwise.

isEOF

public boolean isEOF()

Returns if reached the EOF (10/04/00 23.16.20)

Specified by:

isEOF in interface InputSynapse

Returns:

boolean

isStepCounter

public boolean isStepCounter()

Returns if this input layer is an active counter of the steps. Warning: in a neural net there can be only one StepCounter element! (10/04/00 23.23.26)

Specified by:

isStepCounter in interface InputSynapse

Returns:

boolean

numColumns

public int numColumns()

readAll

public void readAll()

Reads all input values and fills the buffer

Specified by:

readAll in interface InputSynapse

revPut

public void revPut(Pattern array)

Description copied from interface: InputPatternListener

Method to put an error pattern backward to the previous layer

Specified by:

revPut in interface InputPatternListener

Overrides:

revPut in class Synapse

Parameters:

array - neural.engine.Pattern

setArrays

protected void setArrays(int rows,
             int cols)

setArrays method.

Specified by:

setArrays in class Synapse

setBuffered

public void setBuffered(boolean aNewBuffered)

Sets the buffer-mode for this input synapse.

Specified by:

setBuffered in interface InputSynapse

Parameters:

aNewBuffered - true if the input should be buffered. false if the input should not be buffered, the input will be retrieved from the input source every cycle again.

Whenever any converter plug in is added, the buffer-mode will be set to true, regardless of the parameter's argument.

setColList

protected void setColList()

Sets the list of columns that must be returned as the pattern Creation date: (18/10/2000 0.45.52)

Parameters:

cols - java.util.Vector

setDecimalPoint

public void setDecimalPoint(char dp)

Specified by:

setDecimalPoint in interface InputSynapse

setDimensions

protected void setDimensions(int rows,
                 int cols)

Description copied from class: Synapse

Dimensiona l'elemento

Specified by:

setDimensions in class Synapse

setEOF

protected void setEOF(boolean newEOF)

setFirstRow

public void setFirstRow(int newFirstRow)

Inserire qui la descrizione del metodo. Data di creazione: (11/04/00 1.22.28)

Specified by:

setFirstRow in interface InputSynapse

Parameters:

newFirstRow - int

resetInput

public void resetInput()

Reset the input stream to read its content again

Specified by:

resetInput in interface InputSynapse

restart

protected void restart()

setLastRow

public void setLastRow(int newLastRow)

Inserire qui la descrizione del metodo. Data di creazione: (11/04/00 1.22.34)

Specified by:

setLastRow in interface InputSynapse

Parameters:

newLastRow - int

addPlugIn

public boolean addPlugIn(ConverterPlugIn aNewPlugIn)

Adds a plug in to the stream input synapse for data preprocessing. If one or more plug ins are already added to the this synapse, the plug in will be added at the end of the list of plug ins. If null is passed whole plugin stack is removed

Parameters:

aNewPlugIn - The new converter plug in to add (at the end of the list).

Returns:

true when the plug in is added, false when the plug in is not added, e.g. in case the plug in is already added / connected to another synapse.

removeAllPlugIns

public void removeAllPlugIns()

Removes (and disconnects) all (cascading) plug-ins.

setPlugin

public boolean setPlugin(ConverterPlugIn newPlugIn)

Deprecated. addPlugIn(ConverterPlugIn). If you want to replace the plug in by setting a new plug in please use #removeAllPlugIns(ConverterPlugIn) and addPlugIn(ConverterPlugIn).

Sets the plugin for the data preprocessing.

Parameters:

newPlugIn - the plug in to set

getPlugIn

public ConverterPlugIn getPlugIn()

Gets the attached ConverterPlugin, if any

Returns:

neural.engine.ConverterPlugIn

setPlugIn

public void setPlugIn(ConverterPlugIn newPlugIn)

Added for XML serialization **** DO NOT USE **** Use addPlugin instead

setStepCounter

public void setStepCounter(boolean newStepCounter)

Inserire qui la descrizione del metodo. Data di creazione: (10/04/00 23.23.26)

Specified by:

setStepCounter in interface InputSynapse

Parameters:

newStepCounter - boolean

writeObjectBase

protected void writeObjectBase(java.io.ObjectOutputStream out)
                        throws java.io.IOException

Throws:

java.io.IOException

readObjectBase

protected void readObjectBase(java.io.ObjectInputStream in)
                       throws java.io.IOException,
                              java.lang.ClassNotFoundException

Throws:

java.io.IOException

java.lang.ClassNotFoundException

getLastCol

public int getLastCol()

Deprecated.

Getter for property lastCol.

Specified by:

getLastCol in interface InputSynapse

Returns:

Value of property lastCol.

setLastCol

public void setLastCol(int lastCol)
                throws java.lang.IllegalArgumentException

Deprecated.

Setter for property lastCol.

Specified by:

setLastCol in interface InputSynapse

Parameters:

lastCol - New value of property lastCol.

Throws:

java.lang.IllegalArgumentException

getFirstCol

public int getFirstCol()

Deprecated.

Getter for property firstCol.

Specified by:

getFirstCol in interface InputSynapse

Returns:

Value of property firstCol.

setFirstCol

public void setFirstCol(int firstCol)
                 throws java.lang.IllegalArgumentException

Deprecated.

Setter for property firstCol.

Specified by:

setFirstCol in interface InputSynapse

Parameters:

firstCol - New value of property firstCol.

Throws:

java.lang.IllegalArgumentException

getAdvancedColumnSelector

public java.lang.String getAdvancedColumnSelector()

setAdvancedColumnSelector

public void setAdvancedColumnSelector(java.lang.String newAdvColSel)

dataChanged

public void dataChanged(PlugInEvent data)

Description copied from interface: PlugInListener

This method is called by plug-ins whenever data is changed.

Specified by:

dataChanged in interface PlugInListener

Parameters:

data - the event that is send, i.e. the event indicating that the data is changed.

getTokens

protected PatternTokenizer getTokens()
                              throws JooneRuntimeException

Getter for property tokens.

Returns:

Value of property tokens.

Throws:

JooneRuntimeException

setTokens

protected void setTokens(PatternTokenizer tkn)

zeroPattern

protected Pattern zeroPattern()

initInputStream

protected abstract void initInputStream()
                                 throws JooneRuntimeException

Throws:

JooneRuntimeException

check

public java.util.TreeSet check()

Check that parameters are set correctly.

Specified by:

check in interface NeuralElement

Overrides:

check in class Synapse

Returns:

validation errors.

See Also:

Synapse

Inspections

public java.util.Collection Inspections()

Description copied from interface: Inspectable

Method to get a collection of inspectable objects.

Specified by:

Inspections in interface Inspectable

Overrides:

Inspections in class Synapse

Returns:

list of Inspectable objects

See Also:

org.joone.Inspection

InspectableTitle

public java.lang.String InspectableTitle()

Description copied from interface: Inspectable

Method to get the title to show in the InspectionFrame tab.

Specified by:

InspectableTitle in interface Inspectable

Overrides:

InspectableTitle in class Synapse

Returns:

title of the class.

See Also:

org.joone.InspectionFrame

reset

public void reset()

reset the state of the input synapse

Specified by:

reset in interface InputPatternListener

Overrides:

reset in class Synapse

getMaxBufSize

public int getMaxBufSize()

Getter for property maxBufSize.

Returns:

Value of property maxBufSize.

setMaxBufSize

public void setMaxBufSize(int maxBufSize)

Setter for property maxBufSize.

Parameters:

maxBufSize - New value of property maxBufSize.

getInputPatterns

public java.util.Vector getInputPatterns()

Getter for property inputPatterns. Added for XML serialization

Returns:

Value of property inputPatterns.

setInputPatterns

public void setInputPatterns(java.util.Vector inputPatterns)

Setter for property inputPatterns. Added for XML serialization

Parameters:

inputPatterns - New value of property inputPatterns.

fwdGet

public Pattern fwdGet(InputConnector conn)

This method is called by the InputConnector in order to get the next input pattern available for that connector

getCurrentRow

public int getCurrentRow()

Getter for property currentRow.

Returns:

Value of property currentRow.

addPlugInListener

public void addPlugInListener(PlugInListener aListener)

Adds a plug-in lsitener to this input stream.

Parameters:

aListener - the listener to add

removePlugInListener

public void removePlugInListener(PlugInListener aListener)

Removes a plug-in listener from this input stream.

Parameters:

aListener - the listener to remove

getAllPlugInListeners

public java.util.List getAllPlugInListeners()

Gets all the plug-in listeners.

Returns:

the plug-in listeners.

fireDataChanged

protected void fireDataChanged()

Fires an event to the plug-in listeners notifying that the underlying data has changed.

handleExceptionWithWarn

protected void handleExceptionWithWarn(java.lang.Exception ex,
                           java.lang.String errMsg,
                           ILogger logger)

Parameters:

ex -

errMsg -

log -

handleExceptionWithError

protected void handleExceptionWithError(java.lang.Exception ex,
                            java.lang.String errMsg,
                            ILogger log)

Parameters:

ex -

errMsg -

log -