org.axiondb.engine.tables
public abstract class BaseDiskTable extends BaseTable implements Table
BaseDiskTable manages the column meta-data for a disk-based table.
Version: $Revision: 1.36 $ $Date: 2005/12/22 09:02:31 $
| Field Summary | |
|---|---|
| protected File | _dataFile The name of my ".data" file. |
| protected File | _dbdir |
| protected IntList | _freeIds List of free ids. |
| protected boolean | _readOnly |
| protected int | _rowCount |
| protected static int | CURRENT_META_VERSION |
| protected static String | FRID_FILE_EXT |
| protected static AxionFileSystem | FS |
| protected static String | INDICES_DIR_NAME |
| protected static long | INVALID_OFFSET |
| protected static String | META_FILE_EXT |
| protected static String | PIDX_FILE_EXT |
| protected static String | SEQ_FILE_EXT |
| protected static String | TYPE_FILE_EXT |
| Constructor Summary | |
|---|---|
| BaseDiskTable(String name, Database db, TableFactory factory) | |
| Method Summary | |
|---|---|
| void | addColumn(Column col) |
| void | addColumn(Column col, boolean metaUpdateNeeded) |
| void | addConstraint(Constraint constraint) |
| void | applyDeletes(IntCollection rowIds) |
| void | applyInserts(RowCollection rows) |
| void | applyUpdates(RowCollection rows) |
| void | checkpoint() |
| protected void | clearDataFileReference() |
| protected void | closeFiles() |
| protected void | createOrLoadDataFile() |
| protected void | createOrLoadFreeIdsFile() |
| void | drop() |
| void | freeRowId(int id) |
| protected abstract File | getDataFile() |
| protected String | getDefaultDataFileExtension() |
| protected BufferedDataInputStream | getInputStream() |
| protected abstract File | getLobDir() |
| int | getNextRowId() |
| protected BufferedDataOutputStream | getOutputStream() |
| protected AxionFileSystem.PidxList | getPidxList() |
| protected File | getRootDir() |
| Row | getRow(int id) |
| protected abstract Row | getRowByOffset(int idToAssign, long ptr) |
| int | getRowCount() |
| protected RowIterator | getRowIterator() |
| protected File | getTableFile(String extension) |
| protected void | initFiles(File basedir, boolean datafilesonly) |
| protected void | initializeRowCount() |
| protected boolean | isReadOnly() |
| protected void | loadOrMigrateMetaFile(Database db) |
| void | migrate(Database db) Migrate from older version to newer version for this table |
| protected AxionFileSystem.PidxList | parsePidxFile(File pidxFile) |
| protected void | parseTableProperties(ObjectInputStream in) |
| void | populateIndex(Index index) |
| protected abstract void | reloadFilesAfterTruncate() |
| void | remount(File newdir, boolean datafilesonly) |
| void | removeIndex(Index index) |
| void | rename(String oldName, String newName) |
| protected void | renameTableFiles(String oldName, String name) |
| protected void | resetLobColumns() |
| protected void | saveIndicesAfterTruncate() |
| void | setSequence(Sequence seq) |
| void | shutdown() |
| void | truncate() |
| protected void | tryToRemove(RowIterator iter) |
| protected void | writeFridFile() |
| protected void | writeMetaFile() |
| protected void | writeNameToFile(File file, Object obj) |
| protected abstract void | writeRow(BufferedDataOutputStream buffer, Row row) |
| protected void | writeTableProperties(ObjectOutputStream out) |