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104 lines
3.8 KiB
Java
104 lines
3.8 KiB
Java
/*
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* Copyright (c) 2000, 2020, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package javax.sql;
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import java.sql.*;
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/**
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* The interface that a {@code RowSet} object implements in order to
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* present itself to a {@code RowSetReader} or {@code RowSetWriter}
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* object. The {@code RowSetInternal} interface contains
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* methods that let the reader or writer access and modify the internal
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* state of the rowset.
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*
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* @since 1.4
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*/
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public interface RowSetInternal {
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/**
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* Retrieves the parameters that have been set for this
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* {@code RowSet} object's command.
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*
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* @return an array of the current parameter values for this {@code RowSet}
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* object's command
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* @throws SQLException if a database access error occurs
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*/
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Object[] getParams() throws SQLException;
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/**
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* Retrieves the {@code Connection} object that was passed to this
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* {@code RowSet} object.
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*
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* @return the {@code Connection} object passed to the rowset
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* or {@code null} if none was passed
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* @throws SQLException if a database access error occurs
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*/
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Connection getConnection() throws SQLException;
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/**
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* Sets the given {@code RowSetMetaData} object as the
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* {@code RowSetMetaData} object for this {@code RowSet}
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* object. The {@code RowSetReader} object associated with the rowset
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* will use {@code RowSetMetaData} methods to set the values giving
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* information about the rowset's columns.
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*
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* @param md the {@code RowSetMetaData} object that will be set with
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* information about the rowset's columns
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*
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* @throws SQLException if a database access error occurs
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*/
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void setMetaData(RowSetMetaData md) throws SQLException;
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/**
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* Retrieves a {@code ResultSet} object containing the original
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* value of this {@code RowSet} object.
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* <P>
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* The cursor is positioned before the first row in the result set.
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* Only rows contained in the result set returned by the method
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* {@code getOriginal} are said to have an original value.
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*
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* @return the original value of the rowset
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* @throws SQLException if a database access error occurs
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*/
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public ResultSet getOriginal() throws SQLException;
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/**
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* Retrieves a {@code ResultSet} object containing the original value
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* of the current row only. If the current row has no original value,
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* an empty result set is returned. If there is no current row,
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* an exception is thrown.
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*
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* @return the original value of the current row as a {@code ResultSet}
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* object
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* @throws SQLException if a database access error occurs or this method
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* is called while the cursor is on the insert row, before the
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* first row, or after the last row
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*/
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public ResultSet getOriginalRow() throws SQLException;
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}
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