com.shesse.jdbcproxy.HaBlob Maven / Gradle / Ivy

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/**
 * (c) DICOS GmbH, 2011
 *
 * $Id$
 */

package com.shesse.jdbcproxy;

import java.io.InputStream;
import java.io.OutputStream;
import java.sql.Blob;
import java.sql.SQLException;


/**
 * 
 * @author sth
 */
public class HaBlob
	implements Blob
{
	// /////////////////////////////////////////////////////////
	// Class Members
	// /////////////////////////////////////////////////////////
	/** */
	// private static Logger log = Logger.getLogger(HaBlob.class.getName());

	/** */
	@SuppressWarnings("unused")
	private HaConnection haConnection;

	/** */
	private Blob base;


	// /////////////////////////////////////////////////////////
	// Constructors
	// /////////////////////////////////////////////////////////
	/**
	 * @param blob
	 * @param haConnection
	 */
	public HaBlob(HaConnection haConnection, Blob base)
	{
		this.haConnection = haConnection;
		this.base = base;
	}


	// /////////////////////////////////////////////////////////
	// Methods
	// /////////////////////////////////////////////////////////
	/**
	 * @return
	 */
	public Blob getBase()
	{
		return base;
	}


	/**
	 * @return
	 * @throws SQLException
	 * @see java.sql.Blob#length()
	 */
	public long length()
		throws SQLException
	{
		return base.length();
	}


	/**
	 * @param pos
	 * @param length
	 * @return
	 * @throws SQLException
	 * @see java.sql.Blob#getBytes(long, int)
	 */
	public byte[] getBytes(long pos, int length)
		throws SQLException
	{
		return base.getBytes(pos, length);
	}


	/**
	 * @return
	 * @throws SQLException
	 * @see java.sql.Blob#getBinaryStream()
	 */
	public InputStream getBinaryStream()
		throws SQLException
	{
		return base.getBinaryStream();
	}


	/**
	 * @param pattern
	 * @param start
	 * @return
	 * @throws SQLException
	 * @see java.sql.Blob#position(byte[], long)
	 */
	public long position(byte[] pattern, long start)
		throws SQLException
	{
		return base.position(pattern, start);
	}


	/**
	 * @param pattern
	 * @param start
	 * @return
	 * @throws SQLException
	 * @see java.sql.Blob#position(java.sql.Blob, long)
	 */
	public long position(Blob pattern, long start)
		throws SQLException
	{
		if (pattern instanceof HaBlob) {
			return base.position(((HaBlob) pattern).getBase(), start);
		} else {
			return base.position(pattern, start);
		}
	}


	/**
	 * @param pos
	 * @param bytes
	 * @return
	 * @throws SQLException
	 * @see java.sql.Blob#setBytes(long, byte[])
	 */
	public int setBytes(long pos, byte[] bytes)
		throws SQLException
	{
		return base.setBytes(pos, bytes);
	}


	/**
	 * @param pos
	 * @param bytes
	 * @param offset
	 * @param len
	 * @return
	 * @throws SQLException
	 * @see java.sql.Blob#setBytes(long, byte[], int, int)
	 */
	public int setBytes(long pos, byte[] bytes, int offset, int len)
		throws SQLException
	{
		return base.setBytes(pos, bytes, offset, len);
	}


	/**
	 * @param pos
	 * @return
	 * @throws SQLException
	 * @see java.sql.Blob#setBinaryStream(long)
	 */
	public OutputStream setBinaryStream(long pos)
		throws SQLException
	{
		return base.setBinaryStream(pos);
	}


	/**
	 * @param len
	 * @throws SQLException
	 * @see java.sql.Blob#truncate(long)
	 */
	public void truncate(long len)
		throws SQLException
	{
		base.truncate(len);
	}


	/**
	 * @throws SQLException
	 * @see java.sql.Blob#free()
	 */
	public void free()
		throws SQLException
	{
		base.free();
	}


	/**
	 * @param pos
	 * @param length
	 * @return
	 * @throws SQLException
	 * @see java.sql.Blob#getBinaryStream(long, long)
	 */
	public InputStream getBinaryStream(long pos, long length)
		throws SQLException
	{
		return base.getBinaryStream(pos, length);
	}


	// /////////////////////////////////////////////////////////
	// Inner Classes
	// /////////////////////////////////////////////////////////


}