SQLDeleteAllStatementForTempTable


1   /*
2    * The contents of this file are subject to the terms 
3    * of the Common Development and Distribution License 
4    * (the "License").  You may not use this file except 
5    * in compliance with the License.
6    * 
7    * You can obtain a copy of the license at 
8    * glassfish/bootstrap/legal/CDDLv1.0.txt or 
9    * https://glassfish.dev.java.net/public/CDDLv1.0.html. 
10   * See the License for the specific language governing 
11   * permissions and limitations under the License.
12   * 
13   * When distributing Covered Code, include this CDDL 
14   * HEADER in each file and include the License file at 
15   * glassfish/bootstrap/legal/CDDLv1.0.txt.  If applicable, 
16   * add the following below this CDDL HEADER, with the 
17   * fields enclosed by brackets "[]" replaced with your 
18   * own identifying information: Portions Copyright [yyyy] 
19   * [name of copyright owner]
20   */
21  // Copyright (c) 1998, 2006, Oracle. All rights reserved.  
22  package oracle.toplink.essentials.internal.expressions;
23  
24  import java.io.*;
25  import java.util.Vector  ;
26  import java.util.Collection  ;
27  
28  import oracle.toplink.essentials.internal.helper.DatabaseTable;
29  import oracle.toplink.essentials.internal.sessions.AbstractSession;
30  
31  /**
32   * @author Andrei Ilitchev
33   * @since TOPLink/Java 1.0
34   */
35  public class SQLDeleteAllStatementForTempTable extends SQLModifyAllStatementForTempTable {
36      protected DatabaseTable targetTable;
37      protected Collection   targetPrimaryKeyFields;
38      
39      public void setTargetTable(DatabaseTable targetTable) {
40          this.targetTable = targetTable;
41      }
42      public DatabaseTable getTargetTable() {
43          return targetTable;
44      }
45      public void setTargetPrimaryKeyFields(Collection   targetPrimaryKeyFields) {
46          this.targetPrimaryKeyFields = targetPrimaryKeyFields;
47      }
48      public Collection   getTargetPrimaryKeyFields() {
49          return targetPrimaryKeyFields;
50      }
51  
52      protected Collection   getUsedFields() {
53          return new Vector  (getPrimaryKeyFields());
54      }
55      
56      protected void writeUpdateOriginalTable(AbstractSession session, Writer writer) throws IOException {
57          session.getPlatform().writeDeleteFromTargetTableUsingTempTableSql(writer, getTable(), getTargetTable(),
58                                                          new Vector  (getPrimaryKeyFields()), 
59                                                          new Vector  (getTargetPrimaryKeyFields()));
60      }
61  }
62
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