Examples with FileStoreInputStream org.h2.store.FileStoreInputStream used on opensource projects

Example 6 with FileStoreInputStream

use of org.h2.store.FileStoreInputStream in project h2database by h2database.

the class ValueLobDb method getInputStream.

@Override
public InputStream getInputStream(long oneBasedOffset, long length) {
    long byteCount;
    InputStream inputStream;
    if (small != null) {
        return super.getInputStream(oneBasedOffset, length);
    } else if (fileName != null) {
        FileStore store = handler.openFile(fileName, "r", true);
        boolean alwaysClose = SysProperties.lobCloseBetweenReads;
        byteCount = store.length();
        inputStream = new BufferedInputStream(new FileStoreInputStream(store, handler, false, alwaysClose), Constants.IO_BUFFER_SIZE);
    } else {
        byteCount = (type == Value.BLOB) ? precision : -1;
        try {
            inputStream = handler.getLobStorage().getInputStream(this, hmac, byteCount);
        } catch (IOException e) {
            throw DbException.convertIOException(e, toString());
        }
    }
    return ValueLob.rangeInputStream(inputStream, oneBasedOffset, length, byteCount);
}