01: /*
02: * $Id: TransactionBegin.java,v 1.1 2003/08/17 06:06:12 ajzeneski Exp $
03: *
04: * Copyright (c) 2001, 2002 The Open For Business Project - www.ofbiz.org
05: *
06: * Permission is hereby granted, free of charge, to any person obtaining a
07: * copy of this software and associated documentation files (the "Software"),
08: * to deal in the Software without restriction, including without limitation
09: * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10: * and/or sell copies of the Software, and to permit persons to whom the
11: * Software is furnished to do so, subject to the following conditions:
12: *
13: * The above copyright notice and this permission notice shall be included
14: * in all copies or substantial portions of the Software.
15: *
16: * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
17: * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18: * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
19: * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
20: * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT
21: * OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
22: * THE USE OR OTHER DEALINGS IN THE SOFTWARE.
23: */
24: package org.ofbiz.minilang.method.entityops;
25:
26: import org.ofbiz.base.util.Debug;
27: import org.ofbiz.entity.transaction.GenericTransactionException;
28: import org.ofbiz.entity.transaction.TransactionUtil;
29: import org.ofbiz.minilang.SimpleMethod;
30: import org.ofbiz.minilang.method.ContextAccessor;
31: import org.ofbiz.minilang.method.MethodContext;
32: import org.ofbiz.minilang.method.MethodOperation;
33: import org.w3c.dom.Element;
34:
35: /**
36: * Begins a transaction if one is not already in place; if does begin one puts true in the began-transaction-name env variable, otherwise it returns false.
37: *
38: * @author <a href="mailto:jonesde@ofbiz.org">David E. Jones</a>
39: * @version $Revision: 1.1 $
40: * @since 2.0
41: */
42: public class TransactionBegin extends MethodOperation {
43:
44: public static final String module = TransactionBegin.class
45: .getName();
46:
47: ContextAccessor beganTransactionAcsr;
48:
49: public TransactionBegin(Element element, SimpleMethod simpleMethod) {
50: super (element, simpleMethod);
51: beganTransactionAcsr = new ContextAccessor(element
52: .getAttribute("began-transaction-name"),
53: "beganTransaction");
54: }
55:
56: public boolean exec(MethodContext methodContext) {
57: boolean beganTransaction = false;
58: try {
59: beganTransaction = TransactionUtil.begin();
60: } catch (GenericTransactionException e) {
61: Debug
62: .logError(
63: e,
64: "Could not begin transaction in simple-method, returning error.",
65: module);
66:
67: String errMsg = "ERROR: Could not complete the "
68: + simpleMethod.getShortDescription()
69: + " process [error beginning a transaction: "
70: + e.getMessage() + "]";
71: methodContext.setErrorReturn(errMsg, simpleMethod);
72: return false;
73: }
74:
75: beganTransactionAcsr.put(methodContext, new Boolean(
76: beganTransaction));
77: return true;
78: }
79: }
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