org.axiondb.engine.tables

Class FixedWidthFlatfileTable

java.lang.Object

org.axiondb.event.BaseTableModificationPublisher

org.axiondb.engine.tables.AbstractBaseTable

org.axiondb.engine.tables.BaseTable

org.axiondb.engine.tables.BaseDiskTable

org.axiondb.engine.tables.BaseFlatfileTable

org.axiondb.engine.tables.FixedWidthFlatfileTable

All Implemented Interfaces:

ExternalTable, RowSource, Table

public final class FixedWidthFlatfileTable
extends BaseFlatfileTable

A disk-resident Fixed Width Flatfile Table.

Version:

$Revision: 1.16 $ $Date: 2005/12/20 18:32:28 $

Nested Class Summary

Nested classes/interfaces inherited from class org.axiondb.engine.tables.BaseFlatfileTable

BaseFlatfileTable.BaseFlatfileTableOrganizationContext

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	PROP_HEADERBYTESOFFSET

Fields inherited from class org.axiondb.engine.tables.BaseFlatfileTable

_fileName, _isFirstLineHeader, _lineSep, _maxFaults, _rowsToSkip, context, EOF, FILLER, PROP_FILENAME, PROP_ISFIRSTLINEHEADER, PROP_MAXFAULTS, PROP_RECORDDELIMITER, PROP_ROWSTOSKIP

Fields inherited from class org.axiondb.engine.tables.BaseDiskTable

_dataFile, _dbdir, _freeIds, _readOnly, _rowCount, CURRENT_META_VERSION, FRID_FILE_EXT, FS, INDICES_DIR_NAME, INVALID_OFFSET, META_FILE_EXT, PIDX_FILE_EXT, SEQ_FILE_EXT, TYPE_FILE_EXT

Fields inherited from interface org.axiondb.ExternalTable

COLUMNS_ARE_CASE_SENSITIVE, DELIMITED_TABLE_TYPE, EXTERNAL_DB_TABLE_TYPE, FW_TABLE_TYPE, PROP_CATALOG, PROP_CREATE_IF_NOT_EXIST, PROP_DB, PROP_LOADTYPE, PROP_ORDERBY, PROP_REMOTETABLE, PROP_SCHEMA, PROP_VENDOR, PROP_WHERE, TAGGED_EBCDIC_TABLE_TYPE

Fields inherited from interface org.axiondb.Table

REGULAR_TABLE_TYPE, SYSTEM_TABLE_TYPE

Constructor Summary

Constructors

Constructor and Description
FixedWidthFlatfileTable(java.lang.String name, Database db)

Method Summary

Modifier and Type	Method and Description
void	addColumn(Column col, boolean metaUpdateNeeded)
protected Row	getRowByOffset(int idToAssign, long ptr)
java.util.Properties	getTableProperties() Gets Organization Property.
protected long	ignoreRowsToSkip()
protected void	initializeTable()
protected boolean	isEndOfRecord(int recLength, int nextChar, BufferedDataInputStream data)
boolean	loadExternalTable(java.util.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	parseTableProperties(java.io.ObjectInputStream in)
protected void	renameTableFiles(java.lang.String oldName, java.lang.String name)
protected void	writeHeader(BufferedDataOutputStream dataFile)
protected void	writeRow(BufferedDataOutputStream out, Row row)
protected void	writeTableProperties(java.io.ObjectOutputStream out)

Methods inherited from class org.axiondb.engine.tables.BaseFlatfileTable

addEscapeSequence, createOrLoadDataFile, createOrLoadDataFile, evaluateForNull, fixEscapeSequence, getDataFile, getDefaultDataFileExtension, getLobDir, isEOF, isNullString, reloadFilesAfterTruncate, remount, trySettingColumn

Methods inherited from class org.axiondb.engine.tables.BaseDiskTable

addColumn, addConstraint, applyDeletes, applyInserts, applyUpdates, checkpoint, clearDataFileReference, closeFiles, createOrLoadFreeIdsFile, drop, freeRowId, getInputStream, getNextRowId, getOutputStream, getPidxList, getRootDir, getRow, getRowCount, getRowIterator, getTableFile, initFiles, initializeRowCount, isReadOnly, loadOrMigrateMetaFile, migrate, parsePidxFile, populateIndex, remount, removeIndex, rename, resetLobColumns, saveIndicesAfterTruncate, setSequence, shutdown, truncate, tryToRemove, writeFridFile, writeMetaFile, writeNameToFile

Methods inherited from class org.axiondb.engine.tables.BaseTable

addIndex, addRow, applyDeletesToIndices, applyInsertsToIndices, applyUpdatesToIndices, clearCache, deleteRow, getColumn, getColumn, getColumnCount, getColumnIdentifiers, getColumnIndex, getConstraint, getConstraints, getIndexedRows, getIndexedRows, getIndexForColumn, getIndices, getName, getRowIterator, getSequence, getType, hasColumn, hasIndex, isColumnIndexed, isPrimaryKeyConstraintExists, isUniqueConstraintExists, makeRowDecorator, makeTransactableTable, notifyColumnsOfNewLobDir, readColumns, readConstraints, recreateIndices, removeConstraint, setName, setType, toString, truncateIndices, updateRow, writeColumns, writeConstraints

Methods inherited from class org.axiondb.engine.tables.AbstractBaseTable

checkConstraints, checkConstraints, checkConstraints, getMatchingRows, hasDeferredConstraint, isDeferAll, migrate

Methods inherited from class org.axiondb.event.BaseTableModificationPublisher

addTableModificationListener, getTableModificationListeners, publishEvent, removeTableModificationListener, setDeferAllConstraints

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.axiondb.Table

addColumn, addConstraint, addIndex, addRow, addTableModificationListener, applyDeletes, applyInserts, applyUpdates, checkpoint, deleteRow, drop, freeRowId, getColumn, getColumn, getColumnCount, getColumnIdentifiers, getColumnIndex, getConstraint, getConstraints, getIndexedRows, getIndexedRows, getIndexForColumn, getIndices, getMatchingRows, getName, getNextRowId, getRowCount, getRowIterator, getSequence, getTableModificationListeners, getType, hasColumn, hasIndex, isColumnIndexed, isPrimaryKeyConstraintExists, isUniqueConstraintExists, makeRowDecorator, makeTransactableTable, migrate, populateIndex, remount, removeConstraint, removeIndex, removeTableModificationListener, rename, setDeferAllConstraints, setSequence, shutdown, truncate, updateRow

Methods inherited from interface org.axiondb.RowSource

getRow

Field Detail

PROP_HEADERBYTESOFFSET

public static final java.lang.String PROP_HEADERBYTESOFFSET

See Also:

Constant Field Values

Constructor Detail

FixedWidthFlatfileTable

public FixedWidthFlatfileTable(java.lang.String name,
                               Database db)
                        throws AxionException

Throws:

AxionException

Method Detail

addColumn

public void addColumn(Column col,
                      boolean metaUpdateNeeded)
               throws AxionException

Overrides:

addColumn in class BaseFlatfileTable

Throws:

AxionException

getRowByOffset

protected Row getRowByOffset(int idToAssign,
                             long ptr)
                      throws AxionException

Specified by:

getRowByOffset in class BaseDiskTable

Throws:

AxionException

nextLineLength

protected int nextLineLength(long fileOffset)
                      throws AxionException

Overrides:

nextLineLength in class BaseFlatfileTable

Throws:

AxionException

ignoreRowsToSkip

protected long ignoreRowsToSkip()
                         throws AxionException

Overrides:

ignoreRowsToSkip in class BaseFlatfileTable

Throws:

AxionException

initializeTable

protected void initializeTable()
                        throws AxionException

Overrides:

initializeTable in class BaseFlatfileTable

Throws:

AxionException

isEndOfRecord

protected boolean isEndOfRecord(int recLength,
                                int nextChar,
                                BufferedDataInputStream data)
                         throws java.io.IOException

Specified by:

isEndOfRecord in class BaseFlatfileTable

Throws:

java.io.IOException

loadExternalTable

public boolean loadExternalTable(java.util.Properties props)
                          throws AxionException

Description copied from class: BaseFlatfileTable

Loads external data using the given properties table - should be called only once by the table factory.

Specified by:

loadExternalTable in interface ExternalTable

Overrides:

loadExternalTable in class BaseFlatfileTable

Parameters:

props - Properties for Table

Throws:

AxionException - thrown while setting Properties

getTableProperties

public java.util.Properties getTableProperties()

Description copied from interface: ExternalTable

Gets Organization Property.

Returns:

Set of organization property key names;

parseTableProperties

protected void parseTableProperties(java.io.ObjectInputStream in)
                             throws AxionException

Overrides:

parseTableProperties in class BaseDiskTable

Throws:

AxionException

renameTableFiles

protected void renameTableFiles(java.lang.String oldName,
                                java.lang.String name)

Overrides:

renameTableFiles in class BaseFlatfileTable

writeHeader

protected void writeHeader(BufferedDataOutputStream dataFile)
                    throws AxionException

Specified by:

writeHeader in class BaseFlatfileTable

Throws:

AxionException

writeRow

protected void writeRow(BufferedDataOutputStream out,
                        Row row)
                 throws AxionException

Specified by:

writeRow in class BaseDiskTable

Throws:

AxionException

writeTableProperties

protected void writeTableProperties(java.io.ObjectOutputStream out)
                             throws AxionException

Overrides:

writeTableProperties in class BaseDiskTable

Throws:

AxionException