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Java > Open Source Codes > com > caucho > ejb > gen > CollectionSetter


1 /*
2  * Copyright (c) 1998-2006 Caucho Technology -- all rights reserved
3  *
4  * This file is part of Resin(R) Open Source
5  *
6  * Each copy or derived work must preserve the copyright notice and this
7  * notice unmodified.
8  *
9  * Resin Open Source is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2 of the License, or
12  * (at your option) any later version.
13  *
14  * Resin Open Source is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
17  * of NON-INFRINGEMENT. See the GNU General Public License for more
18  * details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with Resin Open Source; if not, write to the
22  *
23  * Free Software Foundation, Inc.
24  * 59 Temple Place, Suite 330
25  * Boston, MA 02111-1307 USA
26  *
27  * @author Scott Ferguson
28  */
29
30 package com.caucho.ejb.gen;
31
32 import com.caucho.bytecode.JMethod;
33 import com.caucho.java.JavaWriter;
34 import com.caucho.java.gen.BaseMethod;
35 import com.caucho.util.L10N;
36
37 import java.io.IOException JavaDoc;
38
39 /**
40  * Generates the skeleton for the create method.
41  */
42 public class CollectionSetter extends BaseMethod {
43   private static final L10N L = new L10N(CollectionSetter.class);
44
45   private JMethod _method;
46   private String JavaDoc _implClassName;
47   
48   public CollectionSetter(JMethod method,
49               String JavaDoc implClassName)
50   {
51     super(method);
52
53     _method = method;
54     _implClassName = implClassName;
55   }
56
57   /**
58    * Prints the create method
59    *
60    * @param method the create method
61    */
62   public void generateCall(JavaWriter out, String JavaDoc []args)
63     throws IOException JavaDoc
64   {
65     out.println("com.caucho.ejb.xa.TransactionContext xa = _xaManager.beginRequired();");
66     out.println();
67
68     out.println("try {");
69
70     out.println(" Bean ptr = _context._ejb_begin(xa, false, true);");
71
72     String JavaDoc methodName = _method.getName();
73     String JavaDoc getterName = "get" + methodName.substring(3);
74
75     out.print(_method.getParameterTypes()[0].getPrintName());
76     out.println(" var = ptr." + getterName + "();");
77     out.println("var.clear();");
78     out.println("var.addAll(" + args[0] + ");");
79     
80     out.println("} catch (RuntimeException e) {");
81     out.println(" xa.setRollbackOnly(e);");
82     out.println(" throw e;");
83     out.println("} finally {");
84     out.println(" xa.commit();");
85     out.println("}");
86   }
87 }
88
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