org.vast.swe

Class DataTreeVisitor

java.lang.Object

org.vast.swe.DataTreeVisitor

Direct Known Subclasses:

AbstractDataParser, AbstractDataWriter

public abstract class DataTreeVisitor
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected class	DataTreeVisitor.Record

Field Summary

Fields

Modifier and Type	Field and Description
protected Stack<DataTreeVisitor.Record>	componentStack
protected DataTreeVisitor.Record	currentRecord
protected DataComponent	dataComponents
protected DataEncoding	dataEncoding
protected DataHandler	dataHandler
protected boolean	endOfArray
protected ErrorHandler	errorHandler
protected boolean	newBlock
protected BlockComponent	parentArray
protected int	parentArrayIndex
protected boolean	parsing
protected RawDataHandler	rawHandler

Constructor Summary

Constructors

Constructor and Description
DataTreeVisitor(boolean parsing)

Method Summary

Methods

Modifier and Type	Method and Description
protected void	endDataBlock()
DataComponent	getDataComponents()
DataEncoding	getDataEncoding()
DataHandler	getDataHandler()
ErrorHandler	getErrorHandler()
RawDataHandler	getRawDataHandler()
boolean	isEndOfDataBlock()
protected abstract void	processAtom(ScalarComponent component)
protected abstract boolean	processBlock(DataComponent component) Process an aggregate component
void	processNextElement() Process the next scalar element in the stream
void	reset() Reset the parser before parsing a new tuple
void	setDataComponents(DataComponent dataInfo)
void	setDataEncoding(DataEncoding dataEncoding)
void	setDataHandler(DataHandler handler)
void	setErrorHandler(ErrorHandler handler)
void	setParentArray(BlockComponent parentArray)
void	setRawDataHandler(RawDataHandler handler)

Methods inherited from class java.lang.Object

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

Field Detail

dataHandler

protected DataHandler dataHandler

rawHandler

protected RawDataHandler rawHandler

errorHandler

protected ErrorHandler errorHandler

parentArray

protected BlockComponent parentArray

parentArrayIndex

protected int parentArrayIndex

dataComponents

protected DataComponent dataComponents

dataEncoding

protected DataEncoding dataEncoding

componentStack

protected Stack<DataTreeVisitor.Record> componentStack

currentRecord

protected DataTreeVisitor.Record currentRecord

newBlock

protected boolean newBlock

endOfArray

protected boolean endOfArray

parsing

protected boolean parsing

Constructor Detail

DataTreeVisitor

public DataTreeVisitor(boolean parsing)

Method Detail

processAtom

protected abstract void processAtom(ScalarComponent component)
                             throws Exception

Throws:

Exception

processBlock

protected abstract boolean processBlock(DataComponent component)
                                 throws Exception

Process an aggregate component

Parameters:

scalarComponent -

Returns:

true if children should be processed, false otherwise

Throws:

Exception

processNextElement

public void processNextElement()
                        throws Exception

Process the next scalar element in the stream

Throws:

Exception

endDataBlock

protected void endDataBlock()
                     throws Exception

Throws:

Exception

isEndOfDataBlock

public boolean isEndOfDataBlock()

reset

public void reset()

Reset the parser before parsing a new tuple

getDataHandler

public DataHandler getDataHandler()

getRawDataHandler

public RawDataHandler getRawDataHandler()

getErrorHandler

public ErrorHandler getErrorHandler()

getDataComponents

public DataComponent getDataComponents()

getDataEncoding

public DataEncoding getDataEncoding()

setDataHandler

public void setDataHandler(DataHandler handler)

setRawDataHandler

public void setRawDataHandler(RawDataHandler handler)

setErrorHandler

public void setErrorHandler(ErrorHandler handler)

setDataComponents

public void setDataComponents(DataComponent dataInfo)

setDataEncoding

public void setDataEncoding(DataEncoding dataEncoding)

setParentArray

public void setParentArray(BlockComponent parentArray)