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1 /*
2  * Copyright (c) 2005, 2006, 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 /*
27  * Created on Apr 28, 2005
28  */
29 package javax.sql;
30 
31 import java.sql.PreparedStatement;
32 import java.sql.SQLException;
33 import java.util.EventObject;
34 
35 /**
36  * A <code>StatementEvent</code> is sent to all <code>StatementEventListener</code>s which were
37  * registered with a <code>PooledConnection</code>. This occurs when the driver determines that a
38  * <code>PreparedStatement</code> that is associated with the <code>PooledConnection</code> has been closed or the driver determines
39  * is invalid.
40  * <p>
41  * @since 1.6
42  */
43 public class StatementEvent extends EventObject {
44 
45         private SQLException            exception;
46         private PreparedStatement       statement;
47 
48         /**
49          * Constructs a <code>StatementEvent</code> with the specified <code>PooledConnection</code> and
50          * <code>PreparedStatement</code>.  The <code>SQLException</code> contained in the event defaults to
51          * null.
52          * <p>
53          * @param con                   The <code>PooledConnection</code> that the closed or invalid
54          * <code>PreparedStatement</code>is associated with.
55          * @param statement             The <code>PreparedStatement</code> that is bieng closed or is invalid
56          * <p>
57          * @throws IllegalArgumentException if <code>con</code> is null.
58          *
59          * @since 1.6
60          */
StatementEvent(PooledConnection con, PreparedStatement statement)61         public StatementEvent(PooledConnection con,
62                                                   PreparedStatement statement) {
63 
64                 super(con);
65 
66                 this.statement = statement;
67                 this.exception = null;
68         }
69 
70         /**
71          * Constructs a <code>StatementEvent</code> with the specified <code>PooledConnection</code>,
72          * <code>PreparedStatement</code> and <code>SQLException</code>
73          * <p>
74          * @param con                   The <code>PooledConnection</code> that the closed or invalid <code>PreparedStatement</code>
75          * is associated with.
76          * @param statement             The <code>PreparedStatement</code> that is being closed or is invalid
77          * @param exception             The <code>SQLException </code>the driver is about to throw to
78          *                                              the application
79          *
80          * @throws IllegalArgumentException if <code>con</code> is null.
81          * <p>
82          * @since 1.6
83          */
StatementEvent(PooledConnection con, PreparedStatement statement, SQLException exception)84         public StatementEvent(PooledConnection con,
85                                                   PreparedStatement statement,
86                                                   SQLException exception) {
87 
88                 super(con);
89 
90                 this.statement = statement;
91                 this.exception = exception;
92         }
93 
94         /**
95          * Returns the <code>PreparedStatement</code> that is being closed or is invalid
96          * <p>
97          * @return      The <code>PreparedStatement</code> that is being closed or is invalid
98          * <p>
99          * @since 1.6
100          */
getStatement()101         public PreparedStatement getStatement() {
102 
103                 return this.statement;
104         }
105 
106         /**
107          * Returns the <code>SQLException</code> the driver is about to throw
108          * <p>
109          * @return      The <code>SQLException</code> the driver is about to throw
110          * <p>
111          * @since 1.6
112          */
getSQLException()113         public SQLException getSQLException() {
114 
115                 return this.exception;
116         }
117 }
118