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


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.JClass;
33 import com.caucho.bytecode.JMethod;
34 import com.caucho.ejb.cfg.EjbEntityBean;
35 import com.caucho.java.JavaWriter;
36 import com.caucho.java.gen.BaseMethod;
37 import com.caucho.java.gen.CallChain;
38 import com.caucho.util.L10N;
39
40 import javax.ejb.EJBLocalObject JavaDoc;
41 import javax.ejb.EJBObject JavaDoc;
42 import java.io.IOException JavaDoc;
43
44 /**
45  * Generates the skeleton for the create method.
46  */
47 public class EntityCreateMethod extends BaseMethod {
48   private static L10N L = new L10N(EntityCreateMethod.class);
49
50   private JMethod _apiMethod;
51   private String JavaDoc _contextClassName;
52
53   protected EntityCreateMethod(JMethod apiMethod, CallChain call)
54   {
55     super(apiMethod, call);
56   }
57
58   public EntityCreateMethod(EjbEntityBean bean,
59                 JMethod apiMethod,
60                 JMethod beanCreateMethod,
61                 JMethod beanPostCreateMethod,
62                 String JavaDoc contextClassName)
63   {
64     this(apiMethod, new EntityCreateCall(bean,
65                      beanCreateMethod,
66                      beanPostCreateMethod,
67                      contextClassName));
68
69     _apiMethod = apiMethod;
70
71     _contextClassName = contextClassName;
72   }
73
74   /**
75    * Prints the create method
76    *
77    * @param method the create method
78    */
79   public void generateCall(JavaWriter out, String JavaDoc []args)
80     throws IOException JavaDoc
81   {
82     /*
83     out.println("Thread thread = Thread.currentThread();");
84     out.println("ClassLoader oldLoader = thread.getContextClassLoader();");
85     out.println();
86     out.println("try {");
87     out.pushDepth();
88     out.println("thread.setContextClassLoader(_server.getClassLoader());");
89     out.println();
90     */
91
92     out.println(_contextClassName + " cxt;");
93     out.println("cxt = new " + _contextClassName + "(_server);");
94
95     getCall().generateCall(out, null, "cxt", args);
96
97     out.println();
98     
99     JClass retType = _apiMethod.getReturnType();
100     if (retType.isAssignableTo(EJBObject JavaDoc.class))
101       out.println("return (" + retType.getName() + ") cxt.getEJBObject();");
102     else if (retType.isAssignableTo(EJBLocalObject JavaDoc.class))
103       out.println("return (" + retType.getName() + ") cxt.getEJBLocalObject();");
104     else
105       throw new RuntimeException JavaDoc(L.l("trying to create unknown type {0}",
106                                      retType.getName()));
107
108     /*
109     out.popDepth();
110     out.println("} finally {");
111     out.println(" thread.setContextClassLoader(oldLoader);");
112     out.println("}");
113     */
114   }
115 }
116
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