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Java > Open Source Codes > org > apache > derby > iapi > jdbc > BrokeredPreparedStatement30


1 /*
2
3    Derby - Class org.apache.derby.iapi.jdbc.BrokeredPreparedStatement30
4
5    Licensed to the Apache Software Foundation (ASF) under one or more
6    contributor license agreements. See the NOTICE file distributed with
7    this work for additional information regarding copyright ownership.
8    The ASF licenses this file to you under the Apache License, Version 2.0
9    (the "License"); you may not use this file except in compliance with
10    the License. You may obtain a copy of the License at
11
12       http://www.apache.org/licenses/LICENSE-2.0
13
14    Unless required by applicable law or agreed to in writing, software
15    distributed under the License is distributed on an "AS IS" BASIS,
16    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17    See the License for the specific language governing permissions and
18    limitations under the License.
19
20  */
21
22 package org.apache.derby.iapi.jdbc;
23
24 import java.sql.*;
25 import java.net.URL JavaDoc;
26
27 /**
28     JDBC 3 implementation of PreparedStatement.
29 */
30 public class BrokeredPreparedStatement30 extends BrokeredPreparedStatement {
31
32     private final Object JavaDoc generatedKeys;
33     public BrokeredPreparedStatement30(BrokeredStatementControl control, int jdbcLevel, String JavaDoc sql, Object JavaDoc generatedKeys) throws SQLException {
34         super(control, jdbcLevel, sql);
35         this.generatedKeys = generatedKeys;
36     }
37
38     public final void setURL(int i, URL JavaDoc x)
39         throws SQLException
40     {
41         getPreparedStatement().setURL( i, x);
42     }
43     public final ParameterMetaData getParameterMetaData()
44         throws SQLException
45     {
46         return getPreparedStatement().getParameterMetaData();
47     }
48     /**
49         Create a duplicate PreparedStatement to this, including state, from the passed in Connection.
50     */
51     public PreparedStatement createDuplicateStatement(Connection conn, PreparedStatement oldStatement) throws SQLException {
52
53         PreparedStatement newStatement;
54
55         if (generatedKeys == null)
56             newStatement = conn.prepareStatement(sql, resultSetType, resultSetConcurrency, resultSetHoldability);
57         else {
58             // The prepareStatement() calls that take a generated key value do not take resultSet* type
59 // parameters, but since they don't return ResultSets that is OK. There are only for INSERT statements.
60 if (generatedKeys instanceof Integer JavaDoc)
61                 newStatement = conn.prepareStatement(sql, ((Integer JavaDoc) generatedKeys).intValue());
62             else if (generatedKeys instanceof int[])
63                 newStatement = conn.prepareStatement(sql, (int[]) generatedKeys);
64             else
65                 newStatement = conn.prepareStatement(sql, (String JavaDoc[]) generatedKeys);
66         }
67
68
69         setStatementState(oldStatement, newStatement);
70
71         return newStatement;
72     }
73 }
74
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