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Java > Open Source Codes > org > ofbiz > minilang > method > entityops > SequencedIdToEnv


1 /*
2  * $Id: SequencedIdToEnv.java 5462 2005-08-05 18:35:48Z jonesde $
3  *
4  * Copyright (c) 2001-2005 The Open For Business Project - www.ofbiz.org
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a
7  * copy of this software and associated documentation files (the "Software"),
8  * to deal in the Software without restriction, including without limitation
9  * 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.UtilValidate;
27 import org.ofbiz.minilang.SimpleMethod;
28 import org.ofbiz.minilang.method.ContextAccessor;
29 import org.ofbiz.minilang.method.MethodContext;
30 import org.ofbiz.minilang.method.MethodOperation;
31 import org.w3c.dom.Element JavaDoc;
32
33 /**
34  * Gets a sequenced ID from the delegator and puts it in the env
35  *
36  * @author <a HREF="mailto:jonesde@ofbiz.org">David E. Jones</a>
37  * @version $Rev: 5462 $
38  * @since 2.0
39  */
40 public class SequencedIdToEnv extends MethodOperation {
41     
42     String JavaDoc seqName;
43     ContextAccessor envAcsr;
44     boolean getLongOnly;
45     long staggerMax = 1;
46
47     public SequencedIdToEnv(Element JavaDoc element, SimpleMethod simpleMethod) {
48         super(element, simpleMethod);
49         seqName = element.getAttribute("sequence-name");
50         envAcsr = new ContextAccessor(element.getAttribute("env-name"));
51         // default false, anything but true is false
52 getLongOnly = "true".equals(element.getAttribute("get-long-only"));
53         String JavaDoc staggerMaxStr = element.getAttribute("stagger-max");
54         if (UtilValidate.isNotEmpty(staggerMaxStr)) {
55             try {
56                 this.staggerMax = Long.parseLong(staggerMaxStr);
57                 if (this.staggerMax < 1) {
58                     this.staggerMax = 1;
59                 }
60             } catch (NumberFormatException JavaDoc e) {
61                 this.staggerMax = 1;
62             }
63         }
64     }
65
66     public boolean exec(MethodContext methodContext) {
67         String JavaDoc seqName = methodContext.expandString(this.seqName);
68         if (getLongOnly) {
69             envAcsr.put(methodContext, methodContext.getDelegator().getNextSeqIdLong(seqName, staggerMax));
70         } else {
71             envAcsr.put(methodContext, methodContext.getDelegator().getNextSeqId(seqName, staggerMax));
72         }
73         return true;
74     }
75
76     public String JavaDoc rawString() {
77         // TODO: something more than the empty tag
78 return "<sequenced-id-to-env/>";
79     }
80     public String JavaDoc expandedString(MethodContext methodContext) {
81         // TODO: something more than a stub/dummy
82 return this.rawString();
83     }
84 }
85
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