src/org/hsqldb/types/BlobData.java

/* Copyright (c) 2001-2010, The HSQL Development Group
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package org.hsqldb.types;

import java.io.InputStream;
import java.io.OutputStream;

import org.hsqldb.SessionInterface;

/**
 * Interface for Binary Large Object implementations.<p>
 *
 * All positions are 0 based
 *
 * @author Fred Toussi (fredt@users dot sourceforge.net)
 * @version 1.9.0
 * @since 1.9.0
 */
public interface BlobData extends LobData {

    byte[] getBytes();

    byte[] getBytes(SessionInterface session, long pos, int length);

    BlobData getBlob(SessionInterface session, long pos, long length);

    InputStream getBinaryStream(SessionInterface session);

    InputStream getBinaryStream(SessionInterface session, long pos,
                                long length);

    long length(SessionInterface session);

    long bitLength(SessionInterface session);

    boolean isBits();

    int setBytes(SessionInterface session, long pos, byte[] bytes, int offset,
                 int len);

    int setBytes(SessionInterface session, long pos, byte[] bytes);

    public long setBinaryStream(SessionInterface session, long pos,
                                InputStream in);

    OutputStream setBinaryStream(SessionInterface session, long pos);

    void truncate(SessionInterface session, long len);

    BlobData duplicate(SessionInterface session);

    long position(SessionInterface session, byte[] pattern, long start);

    long position(SessionInterface session, BlobData pattern, long start);

    long nonZeroLength(SessionInterface session);

    long getId();

    void setId(long id);

    void free();

    boolean isClosed();

    void setSession(SessionInterface session);

    int getStreamBlockSize();
}