Class BlobBuffer.BlobInputStream

open

private boolean open

readPtr

private int readPtr

BlobInputStream

public BlobInputStream(long pos)
            throws IOException

Costructs an InputStream object over the BLOB buffer.

Parameters:

pos - the starting position (from 0)

available

public int available()
            throws IOException

Returns the number of bytes available to read.

close

public void close()
            throws IOException

Closes the output stream.

finalize

protected void finalize()
            throws Throwable

Ensures underlying BLOB file can be closed even if user does not close this stream.

read

public int read()
            throws IOException

Reads the next byte from the stream.

Returns:

the next byte as an int or -1 if at EOF

read

public int read(byte[] bytes,
                int offset,
                int len)
            throws IOException

Reads a bytes from the stream.

Parameters:

bytes - the byte array to fill

offset - the start position in the byte array

len - the number of bytes to read

Returns:

the number of bytes read or -1 if at end of file