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| 1 | /* | ||
| 2 | * Copyright (c) 2000, 2001, Oracle and/or its affiliates. All rights reserved. | ||
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | ||
| 4 | * | ||
| 5 | * This code is free software; you can redistribute it and/or modify it | ||
| 6 | * under the terms of the GNU General Public License version 2 only, as | ||
| 7 | * published by the Free Software Foundation. Oracle designates this | ||
| 8 | * particular file as subject to the "Classpath" exception as provided | ||
| 9 | * by Oracle in the LICENSE file that accompanied this code. | ||
| 10 | * | ||
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT | ||
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
| 14 | * version 2 for more details (a copy is included in the LICENSE file that | ||
| 15 | * accompanied this code). | ||
| 16 | * | ||
| 17 | * You should have received a copy of the GNU General Public License version | ||
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, | ||
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | ||
| 20 | * | ||
| 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
| 22 | * or visit www.oracle.com if you need additional information or have any | ||
| 23 | * questions. | ||
| 24 | */ | ||
| 25 | |||
| 26 | package javax.sql; | ||
| 27 | |||
| 28 | import java.sql.*; | ||
| 29 | |||
| 30 | /** | ||
| 31 | * The interface that a <code>RowSet</code> object implements in order to | ||
| 32 | * present itself to a <code>RowSetReader</code> or <code>RowSetWriter</code> | ||
| 33 | * object. The <code>RowSetInternal</code> interface contains | ||
| 34 | * methods that let the reader or writer access and modify the internal | ||
| 35 | * state of the rowset. | ||
| 36 | * | ||
| 37 | * @since 1.4 | ||
| 38 | */ | ||
| 39 | |||
| 40 | public interface RowSetInternal { | ||
| 41 | |||
| 42 | /** | ||
| 43 | * Retrieves the parameters that have been set for this | ||
| 44 | * <code>RowSet</code> object's command. | ||
| 45 | * | ||
| 46 | * @return an array of the current parameter values for this <code>RowSet</code> | ||
| 47 | * object's command | ||
| 48 | * @exception SQLException if a database access error occurs | ||
| 49 | */ | ||
| 50 | Object[] getParams() throws SQLException; | ||
| 51 | |||
| 52 | /** | ||
| 53 | * Retrieves the <code>Connection</code> object that was passed to this | ||
| 54 | * <code>RowSet</code> object. | ||
| 55 | * | ||
| 56 | * @return the <code>Connection</code> object passed to the rowset | ||
| 57 | * or <code>null</code> if none was passed | ||
| 58 | * @exception SQLException if a database access error occurs | ||
| 59 | */ | ||
| 60 | Connection getConnection() throws SQLException; | ||
| 61 | |||
| 62 | /** | ||
| 63 | * Sets the given <code>RowSetMetaData</code> object as the | ||
| 64 | * <code>RowSetMetaData</code> object for this <code>RowSet</code> | ||
| 65 | * object. The <code>RowSetReader</code> object associated with the rowset | ||
| 66 | * will use <code>RowSetMetaData</code> methods to set the values giving | ||
| 67 | * information about the rowset's columns. | ||
| 68 | * | ||
| 69 | * @param md the <code>RowSetMetaData</code> object that will be set with | ||
| 70 | * information about the rowset's columns | ||
| 71 | * | ||
| 72 | * @exception SQLException if a database access error occurs | ||
| 73 | */ | ||
| 74 | void setMetaData(RowSetMetaData md) throws SQLException; | ||
| 75 | |||
| 76 | /** | ||
| 77 | * Retrieves a <code>ResultSet</code> object containing the original | ||
| 78 | * value of this <code>RowSet</code> object. | ||
| 79 | * <P> | ||
| 80 | * The cursor is positioned before the first row in the result set. | ||
| 81 | * Only rows contained in the result set returned by the method | ||
| 82 | * <code>getOriginal</code> are said to have an original value. | ||
| 83 | * | ||
| 84 | * @return the original value of the rowset | ||
| 85 | * @exception SQLException if a database access error occurs | ||
| 86 | */ | ||
| 87 | public ResultSet getOriginal() throws SQLException; | ||
| 88 | |||
| 89 | /** | ||
| 90 | * Retrieves a <code>ResultSet</code> object containing the original value | ||
| 91 | * of the current row only. If the current row has no original value, | ||
| 92 | * an empty result set is returned. If there is no current row, | ||
| 93 | * an exception is thrown. | ||
| 94 | * | ||
| 95 | * @return the original value of the current row as a <code>ResultSet</code> | ||
| 96 | * object | ||
| 97 | * @exception SQLException if a database access error occurs or this method | ||
| 98 | * is called while the cursor is on the insert row, before the | ||
| 99 | * first row, or after the last row | ||
| 100 | */ | ||
| 101 | public ResultSet getOriginalRow() throws SQLException; | ||
| 102 | |||
| 103 | } | ||