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Java > Open Source Codes > com > sun > enterprise > admin > util > proxy > CallStack


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 in
5  * compliance with the License.
6  *
7  * You can obtain a copy of the license at
8  * https://glassfish.dev.java.net/public/CDDLv1.0.html or
9  * glassfish/bootstrap/legal/CDDLv1.0.txt.
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 Notice in each file and include the License file
15  * at glassfish/bootstrap/legal/CDDLv1.0.txt.
16  * If applicable, add the following below the CDDL Header,
17  * with the fields enclosed by brackets [] replaced by
18  * you own identifying information:
19  * "Portions Copyrighted [year] [name of copyright owner]"
20  *
21  * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
22  */
23
24 /*
25  * Copyright 2004-2005 Sun Microsystems, Inc. All rights reserved.
26  * Use is subject to license terms.
27  */
28
29 package com.sun.enterprise.admin.util.proxy;
30
31 import java.lang.reflect.Method JavaDoc;
32 import java.util.Iterator JavaDoc;
33 import java.util.Stack JavaDoc;
34
35 /**
36  * Represents a call stack.
37  */
38 public class CallStack {
39
40     private Stack JavaDoc callStack = new Stack JavaDoc();
41
42     /** Creates a new instance of CallStack */
43     public CallStack() {
44     }
45
46     public int getStackSize() {
47         return callStack.size();
48     }
49
50     public void beginCall(Method JavaDoc m, Object JavaDoc[] args) {
51         Call call = new Call(m, args);
52         beginCall(call);
53     }
54
55     public void beginCall(Call call) {
56         callStack.push(call);
57     }
58
59     public void endCall() {
60         Call call = (Call)callStack.pop();
61         if (!call.getState().isFinished()) {
62             call.setState(CallState.SUCCESS);
63         }
64     }
65
66     public void endCallWithError(Throwable JavaDoc th) {
67         Call call = (Call)callStack.peek();
68         call.setState(CallState.FAILED);
69         call.setFailureReason(th);
70         endCall();
71     }
72
73     public Call getActiveCall() {
74         return (Call)callStack.peek();
75     }
76
77     public Iterator JavaDoc getCallStack() {
78         return callStack.iterator();
79     }
80
81 }
82
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