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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package javax.sql;

import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;

/**
 * An interface provided by a {@code RowSet} object to let either a {@code
 * RowSetReader} or a {@code RowSetWriter} access its internal state, thereby
 * providing facilities to read and update the state of the {@code RowSet}.
 */
public interface RowSetInternal {

    /**
     * Gets the connection associated with this {@code RowSet} object.
     *
     * @return the connection or {@code null}.
     * @throws SQLException
     *             if there is a problem accessing the database.
     */
    public Connection getConnection() throws SQLException;

    /**
     * Gets the {@code ResultSet} that was the original (unmodified) content of
     * the {@code RowSet}.
     * 

* The {@code ResultSet}'s cursor is positioned before the first row of * data. * * @return the {@code ResultSet} that contained the original data value of * the {@code RowSet}. * @throws SQLException * if there is a problem accessing the database. */ public ResultSet getOriginal() throws SQLException; /** * Gets the original value of the current row only. If the current row did * not have an original value, then an empty value is returned. * * @return a {@code ResultSet} containing the value of the current row only. * @throws SQLException * if there is a problem accessing the database, or if the * cursor is not on a valid row (before the first row, after the * last one or pointing to the insert row). */ public ResultSet getOriginalRow() throws SQLException; /** * Gets the parameter values that have been set for this {@code RowSet}'s * command. * * @return the values of parameters that have been set. * @throws SQLException * if there is a problem accessing the database. */ public Object[] getParams() throws SQLException; /** * Sets {@code RowSetMetaData} for this {@code RowSet}. The {@code * RowSetMetaData} is used by a {@code RowSetReader} to set values giving * information about the {@code RowSet}'s columns. * * @param theMetaData * holds the metadata about the {@code RowSet}'s columns. * @throws SQLException * if there is a problem accessing the database. */ public void setMetaData(RowSetMetaData theMetaData) throws SQLException; }





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