org.axiondb.engine.tables

Class BaseFlatfileTable

public abstract class BaseFlatfileTable extends BaseDiskTable implements ExternalTable

Base Flatfile Table
TODO: Support for decimal and thousand separator, trailing/leading minus sign TODO: Support for multiple record delimiter

Author: Ahimanikya Satapathy Jonathan Giron

Nested Class Summary
protected abstract class	BaseFlatfileTable.BaseFlatfileTableOrganizationContext

Field Summary
protected String	_fileName
protected boolean	_isFirstLineHeader
protected String	_lineSep
protected long	_maxFaults
protected int	_rowsToSkip
protected TableOrganizationContext	context
protected static int	EOF
protected static char	FILLER
static String	PROP_FILENAME
protected static String	PROP_ISFIRSTLINEHEADER
protected static String	PROP_MAXFAULTS
protected static String	PROP_RECORDDELIMITER
protected static String	PROP_ROWSTOSKIP

Constructor Summary
	BaseFlatfileTable(String name, Database db, TableFactory factory)

Method Summary
void	addColumn(Column col, boolean metaUpdateNeeded)
static String	addEscapeSequence(String srcString)
protected void	createOrLoadDataFile()
protected void	createOrLoadDataFile(boolean createNewDataFile)
protected String	evaluateForNull(String colValue, DataType datatype)
static String	fixEscapeSequence(String srcString)
protected File	getDataFile()
protected String	getDefaultDataFileExtension()
protected File	getLobDir()
protected long	ignoreRowsToSkip()
protected void	initializeTable()
protected abstract boolean	isEndOfRecord(int recLength, int nextChar, BufferedDataInputStream data)
protected boolean	isEOF(int nextChar)
protected boolean	isNullString(String str)
boolean	loadExternalTable(Properties props) Loads external data using the given properties table - should be called only once by the table factory.
protected int	nextLineLength(long fileOffset)
protected void	reloadFilesAfterTruncate()
void	remount()
protected void	renameTableFiles(String oldName, String name)
protected Row	trySettingColumn(int idToAssign, Row row, int i, String colValue)
protected abstract void	writeHeader(BufferedDataOutputStream data2)