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Java > Open Source Codes > org > apache > ojb > broker > accesslayer > sql > SqlDeleteByPkStatement


1 package org.apache.ojb.broker.accesslayer.sql;
2
3 /* Copyright 2002-2005 The Apache Software Foundation
4  *
5  * Licensed under the Apache License, Version 2.0 (the "License");
6  * you may not use this file except in compliance with the License.
7  * You may obtain a copy of the License at
8  *
9  * http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  */
17
18 import org.apache.ojb.broker.metadata.ClassDescriptor;
19 import org.apache.ojb.broker.util.logging.Logger;
20
21 /**
22  * Model a DELETE Statement
23  *
24  * @author <a HREF="mailto:jbraeuchi@hotmail.com">Jakob Braeuchi</a>
25  * @version $Id: SqlDeleteByPkStatement.java,v 1.6.2.2 2005/12/21 22:23:44 tomdz Exp $
26  */
27 public class SqlDeleteByPkStatement extends SqlPkStatement
28 {
29     private String JavaDoc sql;
30
31     /**
32      * Constructor for SqlDeleteByPkStatement.
33      *
34      * @param cld
35      * @param logger
36      */
37     public SqlDeleteByPkStatement(ClassDescriptor cld, Logger logger)
38     {
39         super(cld, logger);
40     }
41
42     /** @see SqlStatement#getStatement() */
43     public String JavaDoc getStatement()
44     {
45         if(sql == null)
46         {
47             StringBuffer JavaDoc stmt = new StringBuffer JavaDoc(1024);
48             ClassDescriptor cld = getClassDescriptor();
49
50             stmt.append("DELETE FROM ");
51             appendTable(cld, stmt);
52             appendWhereClause(cld, true, stmt); //use Locking
53
54             sql = stmt.toString();
55         }
56         return sql;
57     }
58
59 }
60
61
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