public DelegatingStatement(Statement stmnt,
    Connection conn) 
{
        _conn = conn;
        _stmnt = stmnt;
        if (stmnt instanceof DelegatingStatement)
            _del = (DelegatingStatement) stmnt;
        else
            _del = null;
}

 public  void addBatch(String str) throws SQLException 
{
        _stmnt.addBatch(str);
}

 protected  void appendInfo(StringBuffer buf) 
{
        if (_del != null)
            _del.appendInfo(buf);
}

 public  void cancel() throws SQLException 
{
        _stmnt.cancel();
}

 public  void clearBatch() throws SQLException 
{
        _stmnt.clearBatch();
}

 public  void clearWarnings() throws SQLException 
{
        _stmnt.clearWarnings();
}

 public  void close() throws SQLException 
{
        _stmnt.close();
}

 public boolean equals(Object other) 
{
        if (other == this)
            return true;
        if (other instanceof DelegatingStatement)
            other = ((DelegatingStatement) other).getInnermostDelegate();
        return getInnermostDelegate().equals(other);
}

 public boolean execute(String str) throws SQLException 
{
        return _stmnt.execute(str);
}

 public boolean execute(String s,
    int i) throws SQLException 
{
        throw new UnsupportedOperationException();
}

 public boolean execute(String s,
    int[] ia) throws SQLException 
{
        throw new UnsupportedOperationException();
}

 public boolean execute(String s,
    String[] sa) throws SQLException 
{
        throw new UnsupportedOperationException();
}

 public int[] executeBatch() throws SQLException 
{
        return _stmnt.executeBatch();
}

 public ResultSet executeQuery(String str) throws SQLException 
{
        return executeQuery(str, true);
}

 protected ResultSet executeQuery(String sql,
    boolean wrap) throws SQLException 
{
        ResultSet rs;
        if (_del != null)
            rs = _del.executeQuery(sql, false);
        else
            rs = _stmnt.executeQuery(sql);
        return wrapResult(rs, wrap);
}

Execute the query, with the option of not wrapping it in a DelegatingResultSet , which is the default.

 public int executeUpdate(String str) throws SQLException 
{
        return _stmnt.executeUpdate(str);
}

 public int executeUpdate(String s,
    int i) throws SQLException 
{
        throw new UnsupportedOperationException();
}

 public int executeUpdate(String s,
    int[] ia) throws SQLException 
{
        throw new UnsupportedOperationException();
}

 public int executeUpdate(String s,
    String[] sa) throws SQLException 
{
        throw new UnsupportedOperationException();
}

 public Connection getConnection() throws SQLException 
{
        return _conn;
}

 public Statement getDelegate() 
{
        return _stmnt;
}

Return the wrapped statement.

 public int getFetchDirection() throws SQLException 
{
        return _stmnt.getFetchDirection();
}

 public int getFetchSize() throws SQLException 
{
        return _stmnt.getFetchSize();
}

 public ResultSet getGeneratedKeys() throws SQLException 
{
        throw new UnsupportedOperationException();
}

 public Statement getInnermostDelegate() 
{
        return (_del == null) ? _stmnt : _del.getInnermostDelegate();
}

Return the base underlying data store statement.

 public int getMaxFieldSize() throws SQLException 
{
        return _stmnt.getMaxFieldSize();
}

 public int getMaxRows() throws SQLException 
{
        return _stmnt.getMaxRows();
}

 public boolean getMoreResults() throws SQLException 
{
        return _stmnt.getMoreResults();
}

 public boolean getMoreResults(int i) throws SQLException 
{
        throw new UnsupportedOperationException();
}

 public int getQueryTimeout() throws SQLException 
{
        return _stmnt.getQueryTimeout();
}

 public ResultSet getResultSet() throws SQLException 
{
        return getResultSet(true);
}

 protected ResultSet getResultSet(boolean wrap) throws SQLException 
{
        ResultSet rs;
        if (_del != null)
            rs = _del.getResultSet(false);
        else
            rs = _stmnt.getResultSet();
        return wrapResult(rs, wrap);
}

Get the last result set, with the option of not wrapping it in a DelegatingResultSet , which is the default.

 public int getResultSetConcurrency() throws SQLException 
{
        return _stmnt.getResultSetConcurrency();
}

 public int getResultSetHoldability() throws SQLException 
{
        throw new UnsupportedOperationException();
}

 public int getResultSetType() throws SQLException 
{
        return _stmnt.getResultSetType();
}

 public int getUpdateCount() throws SQLException 
{
        return _stmnt.getUpdateCount();
}

 public SQLWarning getWarnings() throws SQLException 
{
        return _stmnt.getWarnings();
}

 public int hashCode() 
{
        return getInnermostDelegate().hashCode();
}

 public  void setCursorName(String str) throws SQLException 
{
        _stmnt.setCursorName(str);
}

 public  void setEscapeProcessing(boolean bool) throws SQLException 
{
        _stmnt.setEscapeProcessing(bool);
}

 public  void setFetchDirection(int i) throws SQLException 
{
        _stmnt.setFetchDirection(i);
}

 public  void setFetchSize(int i) throws SQLException 
{
        _stmnt.setFetchSize(i);
}

 public  void setMaxFieldSize(int i) throws SQLException 
{
        _stmnt.setMaxFieldSize(i);
}

 public  void setMaxRows(int i) throws SQLException 
{
        _stmnt.setMaxRows(i);
}

 public  void setQueryTimeout(int i) throws SQLException 
{
        _stmnt.setQueryTimeout(i);
}

 public String toString() 
{
        StringBuffer buf = new StringBuffer("stmnt ").append(hashCode());
        appendInfo(buf);
        return buf.toString();
}

 protected ResultSet wrapResult(ResultSet rs,
    boolean wrap) 
{
        if (!wrap || rs == null)
            return rs;
        return new DelegatingResultSet(rs, this);
}