Examples with DataStorageManagerException herddb.storage.DataStorageManagerException used on opensource projects

Example 61 with DataStorageManagerException

use of herddb.storage.DataStorageManagerException in project herddb by diennea.

the class FileDataStorageManager method readLogSequenceNumberFromTransactionsFile.

private static LogSequenceNumber readLogSequenceNumberFromTransactionsFile(String tableSpace, Path file) throws DataStorageManagerException {
    try (InputStream input = new BufferedInputStream(Files.newInputStream(file, StandardOpenOption.READ), 4 * 1024 * 1024);
        ExtendedDataInputStream din = new ExtendedDataInputStream(input)) {
        // version
        long version = din.readVLong();
        // flags for future implementations
        long flags = din.readVLong();
        if (version != 1 || flags != 0) {
            throw new DataStorageManagerException("corrupted transaction list file " + file.toAbsolutePath());
        }
        String readname = din.readUTF();
        if (!readname.equals(tableSpace)) {
            throw new DataStorageManagerException("file " + file.toAbsolutePath() + " is not for spablespace " + tableSpace);
        }
        long ledgerId = din.readZLong();
        long offset = din.readZLong();
        return new LogSequenceNumber(ledgerId, offset);
    } catch (IOException err) {
        throw new DataStorageManagerException(err);
    }
}

Example 62 with DataStorageManagerException

use of herddb.storage.DataStorageManagerException in project herddb by diennea.

the class FileDataStorageManager method dropTable.

@Override
public void dropTable(String tablespace, String tableName) throws DataStorageManagerException {
    LOGGER.log(Level.SEVERE, "dropTable {0}.{1}", new Object[] { tablespace, tableName });
    Path tableDir = getTableDirectory(tablespace, tableName);
    try {
        deleteDirectory(tableDir);
    } catch (IOException ex) {
        throw new DataStorageManagerException(ex);
    }
}

Example 63 with DataStorageManagerException

use of herddb.storage.DataStorageManagerException in project herddb by diennea.

the class FileDataStorageManager method getTableStatus.

@Override
public TableStatus getTableStatus(String tableSpace, String tableUuid, LogSequenceNumber sequenceNumber) throws DataStorageManagerException {
    try {
        Path dir = getTableDirectory(tableSpace, tableUuid);
        Path checkpointFile = getTableCheckPointsFile(dir, sequenceNumber);
        if (!Files.exists(checkpointFile)) {
            throw new DataStorageManagerException("no such table checkpoint: " + checkpointFile);
        }
        return readTableStatusFromFile(checkpointFile);
    } catch (IOException err) {
        throw new DataStorageManagerException(err);
    }
}

Example 64 with DataStorageManagerException

use of herddb.storage.DataStorageManagerException in project herddb by diennea.

the class FileDataStorageManager method getLastcheckpointSequenceNumber.

@Override
public LogSequenceNumber getLastcheckpointSequenceNumber(String tableSpace) throws DataStorageManagerException {
    try {
        Path tableSpaceDirectory = getTablespaceDirectory(tableSpace);
        Files.createDirectories(tableSpaceDirectory);
        LogSequenceNumber max = LogSequenceNumber.START_OF_TIME;
        try (DirectoryStream<Path> stream = Files.newDirectoryStream(tableSpaceDirectory)) {
            for (Path p : stream) {
                if (isTablespaceCheckPointInfoFile(p)) {
                    try {
                        LogSequenceNumber logPositionInFile = readLogSequenceNumberFromCheckpointInfoFile(tableSpace, p);
                        if (logPositionInFile.after(max)) {
                            max = logPositionInFile;
                        }
                    } catch (DataStorageManagerException ignore) {
                        LOGGER.log(Level.SEVERE, "unparsable checkpoint info file " + p.toAbsolutePath(), ignore);
                    }
                }
            }
        } catch (IOException err) {
            LOGGER.log(Level.SEVERE, "Could not list dir " + tableSpaceDirectory, err);
        }
        return max;
    } catch (IOException err) {
        throw new DataStorageManagerException(err);
    }
}

Example 65 with DataStorageManagerException

use of herddb.storage.DataStorageManagerException in project herddb by diennea.

the class FileDataStorageManager method start.

@Override
public void start() throws DataStorageManagerException {
    try {
        LOGGER.log(Level.SEVERE, "ensuring directory {0}", baseDirectory.toAbsolutePath().toString());
        Files.createDirectories(baseDirectory);
        LOGGER.log(Level.SEVERE, "preparing tmp directory {0}", tmpDirectory.toAbsolutePath().toString());
        FileUtils.cleanDirectory(tmpDirectory);
        Files.createDirectories(tmpDirectory);
    } catch (IOException err) {
        throw new DataStorageManagerException(err);
    }
}